From nobody Mon Sep 22 05:46:22 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cVXCy3w60z68dWn for ; Mon, 22 Sep 2025 05:46:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cVXCy30GVz3YTk for ; Mon, 22 Sep 2025 05:46:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758519982; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=RhmLbjbwIxUghDAnopN7TejUSFGiBDZjwcSBwL1RMw8=; b=AiSRrnWWIemYlXKFqnETFEje8ioDP9S3FJA0kRwQcTSnecxkxoyb8+bK64/9t8r3b5WYTQ LV3pm0ZrBMstYldU2F2ZFOH7Mlmsq0pnGcdBG2zFuSEm+rMOhs4xwsN8muVzcYPkkgNPs2 Co16ulnaj8KAAJnN15L1Ldk7y8wnOT6yX3whQ8EsVBXYMJL3YTcCyFtjBjUsdqBTQfQVOe GpACoD4bBzmE/1v8dNUvUXgazbZvBXka3jYcnjKrKOKfDuyLITt2Fpc4DrVRzF2/ZSefEe eY+cmISPCihWhBoaKWr+YEBpAIPQ6/IdGp4aFfUI0m9+EBF/S+uCgbLwt/dk7w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758519982; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=RhmLbjbwIxUghDAnopN7TejUSFGiBDZjwcSBwL1RMw8=; b=I+5PO9ITyUaaai6UzUXX7RoO/j0erXaBsQG98m3vPMmoOmgKLtnGx78GoybIS1xJXO1EBr Prp1Z8ZlKqfybBdQkxW+QOj+ZcvwYWzojZbsWy/g2zxRIiLdj6f1dQ6gQYj1hRuiUWDqOC Iwz4Gxvcp+jhrSmPhHid6WJHXSmE4x/3L1aSehbWt7tthIwPf7jIuVf4I9GGTjrYhDLlmj noErEATWnXBS69dyn5ErzpOU7CSoIEmRXdswyr3HihqanOlVt5gjMCXexakvbdnMb9pJDi wpytaq34RLUBcbv5n6aaZF8mJf/odWL4Zpq+FwpZYYYdeSn/dIkxdt4U7zJxJA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1758519982; a=rsa-sha256; cv=none; b=lEjy5pZGHcV/x+l5Xq+68pZP+Ly23QkRDIVNSVpYC1IJWKY555lM1fktdFxcwBLPDki1ZK 9/TLlkjF8troJR4HU4IW+MHWqFsFcECs4ek9njs5wSNufAo3r+h2ICzCcBH6D38b8hyHeb z+7wfEt60Z3tFQsiCLPlMCN7mZrXlknOl1tGtbk52JYOS2nB+M6Ao6vPg96N7b+7d859pe 83P0Wv8qg+gMgQeeqxnABUQKzOAZlH670mM9HJaN30c46cGTuMJHMYNaRVdn3XR+WcfkEu ZbOaGHPNkxQzpDu8eg1705ky1APDBQAGimEiUGc0GdFbxtCrkeBbjuqs6a5NYw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4cVXCy26XvznBn for ; Mon, 22 Sep 2025 05:46:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58M5kMEt023464 for ; Mon, 22 Sep 2025 05:46:22 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58M5kMhq023462 for net@FreeBSD.org; Mon, 22 Sep 2025 05:46:22 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284606] Kernel Panic on wireguard VPN router with a Mikrotik peer Date: Mon, 22 Sep 2025 05:46:22 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.2-RELEASE X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: wencey@apernet.io X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284606 --- Comment #6 from Wencey Wang --- After testing over these days, we found the actual cause is not Mikrotik, b= ut some packets sent by an Xbox plugged into the Mikrotik. This is confirmed by applying ip rule to exclude any packet from that Xbox. Is there any way for me to maybe also save the content of m while core dump= ing? I would like to address this issue since this kernel panic can be used to D= oS. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Sep 22 06:45:21 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cVYX13HKkz68hGd for ; Mon, 22 Sep 2025 06:45:21 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cVYX12dvMz3gZV for ; Mon, 22 Sep 2025 06:45:21 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; 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Mon, 22 Sep 2025 06:45:21 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58M6jLcR016272 for ; Mon, 22 Sep 2025 06:45:21 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58M6jLtd016271 for net@FreeBSD.org; Mon, 22 Sep 2025 06:45:21 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284606] Kernel Panic on wireguard VPN router with a Mikrotik peer Date: Mon, 22 Sep 2025 06:45:21 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.2-RELEASE X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: zlei@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284606 --- Comment #7 from Zhenlei Huang --- (In reply to Wencey Wang from comment #6) The ipfw(4) and net stack have lots of asserting. That is most useful for developing, but I think that will be useful for your case. May you please enable the debug option INVARIANTS and test the kernel and i= pfw ? Ref: https://docs.freebsd.org/en/books/developers-handbook/kerneldebug/#kernelde= bug-options --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Sep 22 09:34:40 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cVdHg6vJ3z68s52 for ; Mon, 22 Sep 2025 09:34:55 +0000 (UTC) (envelope-from deng1991816@gmail.com) Received: from mail-wm1-x32c.google.com (mail-wm1-x32c.google.com [IPv6:2a00:1450:4864:20::32c]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cVdHg1lHKz429L for ; Mon, 22 Sep 2025 09:34:55 +0000 (UTC) (envelope-from deng1991816@gmail.com) Authentication-Results: mx1.freebsd.org; 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Mon, 22 Sep 2025 02:34:52 -0700 (PDT) List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 References: <20250919002647.367809e7@nuclight.lan> In-Reply-To: <20250919002647.367809e7@nuclight.lan> From: Tilnel Date: Mon, 22 Sep 2025 17:34:40 +0800 X-Gm-Features: AS18NWC5HzkccDeSqkqZid9p8li9z-7XjOf-sju7U0Inmk589uPLIWMnYD7b9_8 Message-ID: Subject: Re: Two different places between TCP socket behavior and RFC documents To: Vadim Goncharov Cc: freebsd-net@freebsd.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spamd-Bar: --- X-Spamd-Result: default: False [-4.00 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.999]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; MIME_GOOD(-0.10)[text/plain]; FREEMAIL_TO(0.00)[gmail.com]; RCPT_COUNT_TWO(0.00)[2]; FREEMAIL_FROM(0.00)[gmail.com]; TO_DN_SOME(0.00)[]; RCVD_TLS_LAST(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; MID_RHS_MATCH_FROMTLD(0.00)[]; MISSING_XM_UA(0.00)[]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; RCVD_COUNT_ONE(0.00)[1]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::32c:from] X-Rspamd-Queue-Id: 4cVdHg1lHKz429L On Fri, Sep 19, 2025 at 5:27=E2=80=AFAM Vadim Goncharov wrote: > > On Thu, 18 Sep 2025 16:50:46 +0800 > Tilnel wrote: > > > Hi, > > > > I found two behaviors different with RFC recommendations in FreeBSD 14.= 3 TCP > > socket. > > > > 1. Failure to RST on close with data pending > > According to RFC2525 section 2.17, RST should be sent when close() on s= ocket > > with pending data to read in receive buffer. > > According to RFC1122: A host MAY implement a "half-duplex" TCP close > > sequence, ... cannot continue to read data ... If such a host issues a = CLOSE > > call while received data is still pending in TCP, or if new d= ata is > > received after CLOSE is called, its TCP SHOULD send a RST to = show > > that data was lost. > > It's not the case with FreeBSD TCP socket. Here is TCPDUMP output, > > showing close() > > on socket with pending data emit FIN instead of RST. > > A > B: Flags [S], seq 2636678338, win 65535, length 0 > > B > A: Flags [S.], seq 1969223298, ack 2636678339, win 65535, length = 0 > > A > B: Flags [.], ack 1, win 1277, length 0 > > A > B: Flags [P.], seq 1:6, ack 1, win 1277, length 5 > > B > A: Flags [.], ack 6, win 1277, length 0 > > B > A: Flags [F.], seq 1, ack 6, win 1277, length 0 > > A > B: Flags [.], ack 2, win 1277, length 0 > > All close()/shutdown(SHUT_RDWR)/shutdown(SHUT_RD) and both SO_LINGER on= or > > off give the same trace. While on Linux the same execution gives this: > > A > B: Flags [S], seq 2879877684, win 65495, length 0 > > B > A: Flags [S.], seq 1538598692, ack 2879877685, win 65483, length = 0 > > A > B: Flags [.], ack 1, win 512, length 0 > > A > B: Flags [P.], seq 1:6, ack 1, win 512, length 5 > > B > A: Flags [.], ack 6, win 512, length 0 > > B > A: Flags [R.], seq 1, ack 6, win 512, length 0 > > Is the situation from RFC 2525 section 2/17 still applicable to our TCP s= tack? > I.e. does the connection still hold indefinitely for A after B's close() = ? No. The connection will not be maintained indefinitely, because FreeBSD see= ms to have adopted another approach, similar to the trace on RFC 2525 Page 52: although it sends a FIN-ACK, it opens the receive window again. This allows= the other side to continue sending data and eventually receive an RST, or send = a FIN-ACK to close the connection normally. However, this approach is still considered "Better, but still not fully cor= rect" in RFC 2525. I guess this may be because it causes unnecessary traffic and resource waste, and the act of opening the window to invite the other party= to send data is fundamentally contrary to the purpose of this "half-duplex" cl= ose implementation. > > > 2. Sending RST to segment with old sequence SYN-RECEIVED instead of > > acknowledgement > > According to RFC793 page 69: If an incoming segment is not acceptable, = an > > acknowledgement should be sent in reply. (here `should` is not capitali= zed). > > This should be applied to all states including and after SYN-RECEIVED. = But > > it's not the case with FreeBSD TCP socket. I found this with manually > > constructed TCP segment: > > A > B: Flags [S], seq 1, win 8192, length 0 > > B > A: Flags [S.], seq 4054810353, ack 2, win 65535, length 0 > > A > B: Flags [.], ack 1, win 8192, length 0 > > B > A: Flags [R], seq 4054810354, win 0, length 0 > > Expected behavior is to send an empty ack: > > A > B: Flags [S], seq 1, win 8192, length 0 > > B > A: Flags [S.], seq 3620804602, ack 2, win 65495, length 0 > > A > B: Flags [.], ack 1, win 8192, length 0 > > B > A: Flags [.], ack 1, win 65495, length 0 > > Which is the case with Linux. > > > > Does anyone know why these two violations exist? Did FreeBSD choose not= to > > comply with the RFC for a specific reason, or is it simply an implement= ation > > error? > > RFC 9293 still does not capitalize "should" here, therefore it is not a > normative requirement. In fact, I vaguely recall that some anti-DDoS syst= ems > check the liveness of host (not being spoofed SYN) by sending out-of-wind= ow > packet and expecting RST while main connection is unaffected. > In the scenario above, A has no reason to send an out-of-window ACK to test= if B's SYN is spoofed, as the initial SYN is sent by A itself, not B. Furthermore, if this were a legitimate detection mechanism, a large number = of systems compliant with RFC recommendations would be falsely flagged as atta= ckers just for replying with an ACK. I haven't found a system with such a defense strategy. Thanks for taking the time to answer my questions. 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Mon, 22 Sep 2025 16:37:20 -0700 (PDT) List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 References: <9B7C5718-5F5E-46FB-BB97-0F75FB5CD117@FreeBSD.org> <4985340.OV4Wx5bFTl@localhost> In-Reply-To: From: Nakayama Kenjiro Date: Tue, 23 Sep 2025 08:37:09 +0900 X-Gm-Features: AS18NWC-QXGHF-bWuImc5j-BxRyvYHvlImFFfIP_1LtsV7nJC5vas5gkNFYkcxU Message-ID: Subject: Re: Build failure with Clang/LLVM 22 due to alloc-size diagnostic To: Zhenlei Huang Cc: Paul Vixie , freebsd-net@freebsd.org, freebsd-hackers@freebsd.org Content-Type: multipart/alternative; boundary="000000000000fc740a063f6c4cce" X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.65 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.65)[-0.654]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; RCVD_TLS_LAST(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; FREEMAIL_FROM(0.00)[gmail.com]; DKIM_TRACE(0.00)[gmail.com:+]; RCVD_COUNT_ONE(0.00)[1]; MISSING_XM_UA(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; MID_RHS_MATCH_FROMTLD(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::102b:from]; FREEMAIL_ENVFROM(0.00)[gmail.com] X-Rspamd-Queue-Id: 4cVzzq4s2Wz3kYQ --000000000000fc740a063f6c4cce Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Thank you, Zhenlei and Paul > I'm not sure how many type casts like this will make Clang unhappy, but I think the first step would be turning the warning on but not fail the build, so that it is easy to do statistic and then plan what to do next. It might depend on the build options, but as far as I can tell, the only code that actually triggers the alloc-size diagnostic is the mcast code I reported. So it would be great if that code could be fixed. We could verify that Zhenlei's suggestion can avoid the diagnostic, although using a union{} might be the ideal solution. Would it make sense to open a Bugzilla ticket for this? On Fri, Sep 19, 2025 at 10:44=E2=80=AFAM Zhenlei Huang w= rote: > > > > On Sep 19, 2025, at 3:42 AM, Paul Vixie wrote: > > > > On Donderdag 18 September 2025 14:29:36 UTC Zhenlei Huang wrote: > > > > On Sep 18, 2025, at 7:17 PM, Nakayama Kenjiro < > nakayamakenjiro@gmail.com> > > > > ... > > > > freebsd/sys/netinet/in_mcast.c:749:10: error: allocation of > insufficient > > > > size '40' for type 'struct ip_msource' with size '48' > > > > ... > > > The following lines has this > > > ``` > > > lims =3D (struct in_msource *)nims; > > > ``` > > > > > > So probably assign the alloced memory directly to lims would make Cla= ng > > > happy, say ``` > > > lims =3D malloc(sizeof( .... ; > > > nims =3D (struct ip_mfilter *)lims; > > > ``` > > > > > > You can have a try with that. Good luck with you ! > > > > ideally, clang will eventually get around to complaining about that typ= e > cast on the same basis (destination points to a longer object than the > source.) is there a reason we're not using a union{} for this data? > > I've no idea why not using a union, probably because it wastes a little > memory ? In C world, basically it is the developer's duty to ensure no ou= t > of bounds memory access. > > I'm not sure how many type casts like this will make Clang unhappy, but I > think the first step would be turning the warning on but not fail the > build, so that it is easy to do statistic and then plan what to do next. > > > > > -- > > Paul Vixie > > Best regards, > Zhenlei > > --=20 Kenjiro NAKAYAMA GPG Key fingerprint =3D ED8F 049D E67A 727D 9A44 8E25 F44B E208 C946 5EB9 --000000000000fc740a063f6c4cce Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Thank you, Zhenlei and Paul

> I'm not sure h= ow many type casts like this will make Clang unhappy, but I think the first= step would be turning the warning on but not fail the build, so that it is= easy to do statistic and then plan what to do next.

It might depend= on the build options, but as far as I can tell, the only code that actuall= y triggers the alloc-size diagnostic is the mcast code I reported.
So it= would be great if that code could be fixed. We could verify that Zhenlei&#= 39;s suggestion can avoid the diagnostic, although using a union{} might be= the ideal solution.
Would it make sense to open a Bugzilla ticket for t= his?


On Fri, Sep 19, 2025 at 10:44= =E2=80=AFAM Zhenlei Huang <zlei@free= bsd.org> wrote:


> On Sep 19, 2025, at 3:42 AM, Paul Vixie <paul@redbarn.org> wrote:
>
> On Donderdag 18 September 2025 14:29:36 UTC Zhenlei Huang wrote:
> > > On Sep 18, 2025, at 7:17 PM, Nakayama Kenjiro <nakayamakenjiro@gmail.= com>
> > > ...
> > > freebsd/sys/netinet/in_mcast.c:749:10: error: allocation of = insufficient
> > > size '40' for type 'struct ip_msource' with = size '48'
> > > ...
> > The following lines has this
> > ```
> > lims =3D (struct in_msource *)nims;
> > ```
> >
> > So probably assign the alloced memory directly to lims would make= Clang
> > happy, say ```
> > lims =3D malloc(sizeof( .... ;
> > nims =3D (struct ip_mfilter *)lims;
> > ```
> >
> > You can have a try with that. Good luck with you !
>
> ideally, clang will eventually get around to complaining about that ty= pe cast on the same basis (destination points to a longer object than the s= ource.) is there a reason we're not using a union{} for this data?

I've no idea why not using a union, probably because it wastes a little= memory ? In C world, basically it is the developer's duty to ensure no= out of bounds memory access.

I'm not sure how many type casts like this will make Clang unhappy, but= I think the first step would be turning the warning on but not fail the bu= ild, so that it is easy to do statistic and then plan what to do next.

>
> --
> Paul Vixie

Best regards,
Zhenlei



--
Kenjiro NAKAYAMA <nakayamakenjiro@gmail.com>
GP= G Key fingerprint =3D ED8F 049D E67A 727D 9A44=C2=A0 8E25 F44B E208 C946 5E= B9
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Mon, 22 Sep 2025 19:25:18 -0700 (PDT) List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 References: <38DCEDDE-7BAB-4A1D-ACB4-6B2E8FCEB6CE@lurchi.franken.de> <20250919003104.5857ecd7@nuclight.lan> In-Reply-To: <20250919003104.5857ecd7@nuclight.lan> From: Tilnel Date: Tue, 23 Sep 2025 10:25:07 +0800 X-Gm-Features: AS18NWCqL2t1rEfL2ESk_5FQfI2cHSnOVm69jAQQnUNNXrPyw_bebX72FfeHds0 Message-ID: Subject: Re: Two different places between TCP socket behavior and RFC documents To: Vadim Goncharov Cc: Michael Tuexen , freebsd-net@freebsd.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spamd-Bar: --- X-Spamd-Result: default: False [-4.00 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; MIME_GOOD(-0.10)[text/plain]; FREEMAIL_TO(0.00)[gmail.com]; RCVD_TLS_LAST(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; FREEMAIL_FROM(0.00)[gmail.com]; DKIM_TRACE(0.00)[gmail.com:+]; MISSING_XM_UA(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::32b:from]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; MID_RHS_MATCH_FROMTLD(0.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; RCVD_COUNT_ONE(0.00)[1]; FREEMAIL_ENVFROM(0.00)[gmail.com] X-Rspamd-Queue-Id: 4cW3jg02bbz47k2 On Fri, Sep 19, 2025 at 5:31=E2=80=AFAM Vadim Goncharov wrote: > > On Fri, 19 Sep 2025 00:35:18 +0800 > Tilnel wrote: > > > I'd be happy to explain the scenario in more detail. > > Consider the following TCP handshake sequence: > > 1. Socket A sends a SYN segment: to Socket B, whic= h is in > > the TCP_LISTEN state. > > 2. Socket B transitions to TCP_SYN_RECV and responds with > > . > > 3. Instead of sending the expected to= complete > > the three-way handshake, Socket A incorrectly sends > > . According to the RFC, the appropriate = response to > > such a malformed ACK should be an empty ACK segment: > > . After that, Socket B should either w= ait for a > > valid ACK or retransmit the SYN-ACK if necessary. However, in FreeBSD= =E2=80=99s > > current implementation, a RST segment is sent instead: , > > which aborts the connection prematurely. This behavior appears to devia= te > > from the RFC guidance and may lead to unnecessary connection resets in = edge > > cases. Best regards > > Tilnel > > Did you check it with about ~2 G out of window? That is, your examples ab= ove > were about ~200 M different sequence numbers, so that RST could be ignore= d. > Hi. I just checked it with ACK segment carrying different SEQ, including ~2G ou= t of the window. 1. expect seq=3D2, actual seq=3D0x80000001 2. expect seq=3D2, actual seq=3D0x80000002 3. expect seq=3D2, actual seq=3D0x80000003 4. expect seq=3D2, actual seq=3D0x90000000 5. expect seq=3D2000001 (0x1e8481), actual seq=3D1 6. expect seq=3D1, actual seq=3D2000001 (0x1e8481) All of them, under FreeBSD, give a RST reply. Here is the tcpdump of the fi= rst case. A > B: Flags [S], seq 1, win 8192, length 0 0x0000: 4500 0028 0000 4000 4006 0000 7f00 0001 0x0010: 7f00 0001 22b9 22b8 0000 0001 0000 0000 0x0020: 5002 2000 4c6e 0000 B > A: Flags [S.], seq 1643153760, ack 2, win 65535, options [mss 16344], length 0 0x0000: 4500 002c 0000 4000 4006 0000 7f00 0001 0x0010: 7f00 0001 22b8 22b9 61f0 8960 0000 0002 0x0020: 6012 ffff fe20 0000 0204 3fd8 A > B: Flags [.], seq 2147483648, ack 1, win 8192, length 0 0x0000: 4500 0028 0000 4000 4006 0000 7f00 0001 0x0010: 7f00 0001 22b9 22b8 8000 0001 61f0 8961 0x0020: 5010 2000 e10d 0000 B > A: Flags [R], seq 1643153761, win 0, length 0 0x0000: 4500 0028 0000 4000 4006 0000 7f00 0001 0x0010: 7f00 0001 22b8 22b9 61f0 8961 0000 0000 0x0020: 5004 0000 fe1c 0000 Best regards Tilnel > -- > WBR, @nuclight From nobody Tue Sep 23 08:32:58 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cWCsm0Dpmz68JWJ for ; 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charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289177 --- Comment #8 from commit-hook@FreeBSD.org --- A commit in branch stable/15 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3Dfb4be8661166e18afa4b10921f7d5fbd2= 2460390 commit fb4be8661166e18afa4b10921f7d5fbd22460390 Author: Andrey V. Elsukov AuthorDate: 2025-09-16 07:34:55 +0000 Commit: Andrey V. Elsukov CommitDate: 2025-09-23 08:31:12 +0000 IPv6: fix off-by-one in pltime and vltime expiration checks Previously, the macros used '>' instead of '>=3D' when comparing elapsed time against the preferred and valid lifetimes. This caused any depreca= ted address to become usable again for one extra second after receiving each Router Advertisement. In that short window, the address could be selected as a source for outgoing connections. Update the checks to use '>=3D' so that addresses are deprecated or invalid when their lifetime expires. PR: 289177 Reported by: Dmitry Nexus Reviewed by: zlei Submitted by: Marek Zarychta Differential Revision: https://reviews.freebsd.org/D52323 (cherry picked from commit 588a5fad3e8b98955b60707e3e92b8b43566e3f7) sys/netinet6/in6.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Sep 23 08:34:00 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cWCtw6tzFz68Jbx for ; Tue, 23 Sep 2025 08:34:00 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cWCtw6JLCz3qh0 for ; 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charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289177 --- Comment #9 from commit-hook@FreeBSD.org --- A commit in branch stable/14 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D586183128f2f04b84a9a564f832899636= 71f0ff2 commit 586183128f2f04b84a9a564f83289963671f0ff2 Author: Andrey V. Elsukov AuthorDate: 2025-09-16 07:34:55 +0000 Commit: Andrey V. Elsukov CommitDate: 2025-09-23 08:32:45 +0000 IPv6: fix off-by-one in pltime and vltime expiration checks Previously, the macros used '>' instead of '>=3D' when comparing elapsed time against the preferred and valid lifetimes. This caused any depreca= ted address to become usable again for one extra second after receiving each Router Advertisement. In that short window, the address could be selected as a source for outgoing connections. Update the checks to use '>=3D' so that addresses are deprecated or invalid when their lifetime expires. PR: 289177 Reported by: Dmitry Nexus Reviewed by: zlei Submitted by: Marek Zarychta Differential Revision: https://reviews.freebsd.org/D52323 (cherry picked from commit 588a5fad3e8b98955b60707e3e92b8b43566e3f7) sys/netinet6/in6.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Sep 23 08:42:51 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cWD571qd7z68KPB for ; Tue, 23 Sep 2025 08:42:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cWD571P5xz3ss8 for ; 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charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289177 Andrey V. Elsukov changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ae@FreeBSD.org Status|New |Closed Resolution|--- |FIXED --- Comment #10 from Andrey V. Elsukov --- Fixed in main, stable/15 and stable/14. 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Tue, 23 Sep 2025 13:23:57 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58NDNvmr018559 for net@FreeBSD.org; Tue, 23 Sep 2025 13:23:57 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 289734] panic tcp_usr_close while running mount command after configure NFS over TLS Date: Tue, 23 Sep 2025 13:23:57 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 15.0-CURRENT X-Bugzilla-Keywords: crash, vendor X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: rmacklem@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289734 --- Comment #5 from Rick Macklem --- (In reply to Wafa Hamzah from comment #0) Could you possibly try adding "-N 1" to the rpc.tlsservd command. Either with tlsservd_flags=3D"-N 1" in /etc/rc.conf and/or when you type the command. I'd like to know if it related to the change in the way multiple daemon threads are handled after a glebius@ commit of about 8months ago. (Before that, the -N created separate processes with TCP sockets wired to one of them. Now it uses pthreads.) If you can do the above and let us know if it still panics, that could be useful. Thanks, rick --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Sep 23 17:14:18 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cWRRG0l8yz68tdB for ; Tue, 23 Sep 2025 17:14:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cWRRG030kz3C0p for ; Tue, 23 Sep 2025 17:14:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758647658; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cKkkWC7kxW4zJD7J+pN1vMfwLnCCmNP2VvByMXa65t4=; b=ohOFzItKjgq62e5GQ335HOyh7XPVotNARJKV87A36pnBcxr0YrsHHUROIRbfutRpfyd6W3 HYR5Kx3M0J5Xzr2gViZwAZE/2ASsQektt4oyfc2gR5IHYduvcv4A1qwE46uzLauof10RXT LgTNWW6b25aS4eRyAjc7OHWcy68W2wOmQKwQiQDBcNpc541L9N15yO2FZjUb7skIwOZLiw IuPW38ZDjGIQNi2OJX9wAgn2GdR9ckAjaT6fQOmi92enmKOnDiytwCU1xPfSvrdSkaX53d I1Lt/yMSlut8pAlTEmT8swk1mmMXMD/vBW11gqoINOZ3TEW5EuS1IkjPz1Fm3g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758647658; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cKkkWC7kxW4zJD7J+pN1vMfwLnCCmNP2VvByMXa65t4=; b=NYsC+h4YBuA+UVZTwU8wYqA+uZGXHAXJvPTNQ4fYkSDEGEOVdPp0KI/B+GvrwmQOK1Zngu qkpc2gbp+Mfdm27ebgRLYVeC94lCUD3XnIFkZPqLJdwzVNHKlWxK1v2WQlVnbi3rKiBnkK 2zWlJHK12jl7RR7TlXwY4jXhzTP+CJbHGtd/ewsI+htXK7APNxS0gnyqnvgjLaNWfo4nE8 lkCsnsb8X1NCJoZeQ8YxgOSEbPgbycEo2mU/LFV+M9wqE4J+GSLjH1lgmgmzxxKk23hjPC kVQE9uKB84hXxT1LqdZ0uFJX4XWRcfy3eZDSKs/nj799/Cij6BwYuAhVd4yfIQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1758647658; a=rsa-sha256; cv=none; b=d/IC7d84gDwTktMLoJl687UiDvuwTG52yyepI3toOyJkIGJWcDKeSq80GEHewHs8AEaqho +EpG1my45FjLJM0jeF9IcV8wgfN8uhctoK/Fn9wr6PB404CYgUoHLwwFcLbk3vbpf7qqdZ WJOUtLXinQ7aSnLgNf2dppXxPNC3sbb64dGkhcmqsXLfvGj5x0U8+cuZDbpqotgu7DxirN dBrGNem2kDVZLxvuSgeFL0z8k9mZ3gCk3oFu/KulwbPo4tlDQ+Y6InoajrX1x1nikJSAHa c9db2+j8TwNX5IoYV/PXNfRw35dHI0LpzyGjsR9NBvK94YqGmBXbu/4Nk5U6bA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4cWRRF6gKMzvb1 for ; Tue, 23 Sep 2025 17:14:17 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58NHEHQP063263 for ; Tue, 23 Sep 2025 17:14:17 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58NHEHre063262 for net@FreeBSD.org; Tue, 23 Sep 2025 17:14:17 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 289483] net/bird{2,3} will not start on boot after 1372a98e and ae2c6a5f Date: Tue, 23 Sep 2025 17:14:18 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Ports & Packages X-Bugzilla-Component: Individual Port(s) X-Bugzilla-Version: Latest X-Bugzilla-Keywords: regression X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: Closed X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: olivier@freebsd.org X-Bugzilla-Flags: maintainer-feedback? X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289483 --- Comment #7 from commit-hook@FreeBSD.org --- A commit in branch 2025Q3 references this bug: URL: https://cgit.FreeBSD.org/ports/commit/?id=3D91fed1ce1fb37620c225cd6132b189f= 0c6de6e45 commit 91fed1ce1fb37620c225cd6132b189f0c6de6e45 Author: Olivier Cochard AuthorDate: 2025-09-12 18:38:08 +0000 Commit: Olivier Cochard CommitDate: 2025-09-23 17:13:13 +0000 net/bird3: Fix typo in RC script preventing to start PR: 289483 Reported by: Marek Zarychta (cherry picked from commit 420d05b7005df9206c579502f440aa96fafb87dc) net/bird3/Makefile | 2 +- net/bird3/files/bird.in | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --=20 You are receiving this mail because: You are on the CC list for the bug.= From nobody Wed Sep 24 10:42:02 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cWthB6b5gz68s7f for ; 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mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4cWthB5S4gzC3V for ; Wed, 24 Sep 2025 10:42:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58OAg2wL035647 for ; Wed, 24 Sep 2025 10:42:02 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58OAg2Wk035646 for net@FreeBSD.org; Wed, 24 Sep 2025 10:42:02 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 289734] panic tcp_usr_close while running mount command after configure NFS over TLS Date: Wed, 24 Sep 2025 10:42:02 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 15.0-CURRENT X-Bugzilla-Keywords: crash, vendor X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: wafah@nvidia.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289734 --- Comment #6 from Wafa Hamzah --- (In reply to Rick Macklem from comment #5) it seems its working now, the crash not reproduced with me. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Wed Sep 24 10:47:58 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cWtqK3HN4z68spT for ; Wed, 24 Sep 2025 10:48:13 +0000 (UTC) (envelope-from michael.tuexen@lurchi.franken.de) Received: from drew.franken.de (mail-n.franken.de [193.175.24.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.franken.de", Issuer "Certum Domain Validation CA SHA2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cWtqH744vz3D7Y for ; Wed, 24 Sep 2025 10:48:11 +0000 (UTC) (envelope-from michael.tuexen@lurchi.franken.de) Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of michael.tuexen@lurchi.franken.de designates 193.175.24.27 as permitted sender) smtp.mailfrom=michael.tuexen@lurchi.franken.de Received: from smtpclient.apple (unknown [IPv6:2a02:8109:1101:be00:d1c3:612:557c:bdc0]) (Authenticated sender: lurchi) by drew.franken.de (Postfix) with ESMTPSA id D3CD8721E281C; Wed, 24 Sep 2025 12:47:58 +0200 (CEST) Content-Type: text/plain; charset=utf-8 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.100.1.1.5\)) Subject: Re: Two different places between TCP socket behavior and RFC documents From: Michael Tuexen In-Reply-To: Date: Wed, 24 Sep 2025 12:47:58 +0200 Cc: freebsd-net@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <8A5C58E4-A939-4F3E-9FED-A24F675D5393@lurchi.franken.de> References: <38DCEDDE-7BAB-4A1D-ACB4-6B2E8FCEB6CE@lurchi.franken.de> To: Tilnel X-Mailer: Apple Mail (2.3864.100.1.1.5) X-Spam-Status: No, score=-2.9 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=disabled version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on mail-n.franken.de X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.51 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.96)[-0.960]; NEURAL_HAM_MEDIUM(-0.65)[-0.654]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ip4:193.175.24.0/24]; RCVD_IN_DNSWL_LOW(-0.10)[193.175.24.27:from]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_ONE(0.00)[1]; RCPT_COUNT_TWO(0.00)[2]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; R_DKIM_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; FREEMAIL_TO(0.00)[gmail.com]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; DMARC_NA(0.00)[franken.de]; RCVD_TLS_ALL(0.00)[] X-Rspamd-Queue-Id: 4cWtqH744vz3D7Y > On 18. Sep 2025, at 20:22, Michael Tuexen = wrote: >=20 >> On 18. Sep 2025, at 18:35, Tilnel wrote: >>=20 >> On Thu, Sep 18, 2025 at 6:25=E2=80=AFPM Michael Tuexen >> wrote: >>>> 2. Sending RST to segment with old sequence SYN-RECEIVED instead of >>>> acknowledgement >>>> According to RFC793 page 69: If an incoming segment is not = acceptable, an >>>> acknowledgement should be sent in reply. (here `should` is not = capitalized). >>>> This should be applied to all states including and after = SYN-RECEIVED. But it's >>>> not the case with FreeBSD TCP socket. I found this with manually = constructed TCP >>>> segment: >>>> A > B: Flags [S], seq 1, win 8192, length 0 >>>> B > A: Flags [S.], seq 4054810353, ack 2, win 65535, length 0 >>>> A > B: Flags [.], ack 1, win 8192, length 0 >>>> B > A: Flags [R], seq 4054810354, win 0, length 0 >>> I am not sure which scenario are you considering. Could you provide = SEG.SEQ >>> for the this TCP segment? >>>> Expected behavior is to send an empty ack: >>>> A > B: Flags [S], seq 1, win 8192, length 0 >>>> B > A: Flags [S.], seq 3620804602, ack 2, win 65495, length 0 >>>> A > B: Flags [.], ack 1, win 8192, length 0 >>>> B > A: Flags [.], ack 1, win 65495, length 0 >>>> Which is the case with Linux. >>=20 >> I'd be happy to explain the scenario in more detail. >> Consider the following TCP handshake sequence: >> 1. Socket A sends a SYN segment: to Socket B, = which is in the >> TCP_LISTEN state. >> 2. Socket B transitions to TCP_SYN_RECV and responds with >> . >> 3. Instead of sending the expected = to complete the >> three-way handshake, Socket A incorrectly sends = . >> According to the RFC, the appropriate response to such a malformed = ACK should be >> an empty ACK segment: . After that, = Socket B should >> either wait for a valid ACK or retransmit the SYN-ACK if necessary. >> However, in FreeBSD=E2=80=99s current implementation, a RST segment = is sent instead: >> , which aborts the connection prematurely. >> This behavior appears to deviate from the RFC guidance and may lead = to >> unnecessary connection resets in edge cases. > Hi Tilnel, >=20 > OK, now I understand your scenario. Let me test it and come back to = you. > Give me a day or two. I can confirm the behavior you observed. It is a bug, I will fix it. Thanks for reporting, Best regards Michael >=20 > Best regards > Michael >> Best regards >> Tilnel >=20 >=20 From nobody Wed Sep 24 12:57:19 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cWxhJ2050z67pVY for ; Wed, 24 Sep 2025 12:57:20 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cWxhJ1Bk0z3VNL for ; Wed, 24 Sep 2025 12:57:20 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758718640; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=jgXupw92DJVlXk0bet9ORvOMi/UXcgecEhRF3k29SFw=; b=HSM9erkqVbZl2HsSR9WsTQ+25ZtjVVGU+aYJWHZc17LNza6t+g6eNAk8hb4J3Nsu0YzjCA 4aeoEKp9WS2AKkCqaFpuvEf11PyNI/w7QM7bWN1tPbT0jOYcyd+hCb1Gstv8hGxgAMm0o0 8H0yqpD1V5O8ioxrPv55rzCr3VinmYfKLfr3A9QBF1sp7bDRfpIWWqSHr7b6zBNAeV3JFn 7HM/QdAkXIxmQ+bMyiBNZaApof6Ut+cX4iMuUhPOKqKLfo0JCub9SN3NumSNG3DX1yEZ5V Evborgf+JZPUeMPN19Fu8/JoZXsD3Ulz5zsD9i1htm/HJehU5bLn7drzSZOmKw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758718640; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=jgXupw92DJVlXk0bet9ORvOMi/UXcgecEhRF3k29SFw=; b=t/KCqJTy0RZbDmTPyYOyMct5Aon1hJkum/gFcKsgbFwtm/SRFTCBUGVi+a20HbDbFwnwHc +X4PG/F7RvUDVZtM4X20MIGPg44UNfX2lBnHpt2GBO6QGJdgPiNnCpQ1QEuixYsBjGXbbe NuXGkDSBaHvYWMRk9jTZTgdbdeWVAr071PuWgqRcilX2c3o6lwRvQ5/4AvmRdibVQScJFq 4IWBz2zRhypAYOmXZbJypZ082Z22N2PCXLobyFYe5/rP0Tg4Nmhy/iT/kSE+A3a8hsQSOE oAy/c/G+zt1cRvXDgSQnUn+lIF6uY3Mj1LkmsAhfZdM61sl7/Iegfqcdkb11NA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1758718640; a=rsa-sha256; cv=none; b=ALhR+vNxmB22xUoMKMVmn3QIrgivMS8jLaY1AVtnnqLONcMQ3BHLSSJzARArnWSDmvMdct 6o1EcBl9uGfKxD2tze4v6NB8F//tVW+NaAD3+iTlFrcq5qrhHzuTlgxAvOo4itOvJKFgus oUM/x9yY8dmH/sUr6Beq+PW8ksev4/Ha0UPu81tSpzCGIqf9yoSyYBkeLzFcs5zC58oi88 TkgN5rnjYIaFl483zD7rMNE55hO0C6FCDShTIIEcQKjgyOgDFdtgswlN9oh3rG56kaVwQ7 dNBGPT1NY2YkngA6m2zJkSUf1tbUH3CLHU2SQWS7xGWccurNLdY30ZAI4QbzXg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4cWxhJ0mBLzXcB for ; Wed, 24 Sep 2025 12:57:20 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58OCvJeQ032497 for ; Wed, 24 Sep 2025 12:57:19 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58OCvJU1032494 for net@FreeBSD.org; Wed, 24 Sep 2025 12:57:19 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 289734] panic tcp_usr_close while running mount command after configure NFS over TLS Date: Wed, 24 Sep 2025 12:57:19 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 15.0-CURRENT X-Bugzilla-Keywords: crash, vendor X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: rmacklem@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289734 --- Comment #7 from Rick Macklem --- (In reply to Wafa Hamzah from comment #6) Ok. Thanks for testing this. I'll look at the threading code in rpc.tlsservd and see if I can spot how it would break. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Wed Sep 24 13:31:30 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cWyRk1bX1z67rNk for ; Wed, 24 Sep 2025 13:31:30 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cWyRk0GfSz3ZmJ for ; Wed, 24 Sep 2025 13:31:30 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758720690; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=2TJd2nJ4Fa71z7ZTuiInyxWF5hdq/wA14uYQ+x7FShg=; b=mF88DjfzwDh9sUrTzv40NVkA1QBm9smsBZbnLPx/hKXwvDfr+Trw9YSy9fu49Ls58eLUfL c2UeaA8k0Fj2pVB8rvXAiSPSKrg2L+Op1pfPResnp1zxrie2MuKt+IcFSACSwDo52bkyOd vZl4CK+Uknq7GdvEJvy4ukHMCujQ6vK+OSHOnCW/8rHXYXnLnYFLXURqeLvI29dFg21Rkf kFdppUmmIckr+tHC/ebwK9ZcuNXRlsjl2ZceudSOy1KZM5kv1XiKfRgEmvQQ/En25cMXf/ 7Ul2ZzEWF35LUZETp3Bx/TO5aYSNeAMah+nh4OAuFtHfTaUNyHInibo09qLKBw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758720690; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=2TJd2nJ4Fa71z7ZTuiInyxWF5hdq/wA14uYQ+x7FShg=; b=m+0KNyXIA9a6FGBB2/PP37DFkmux1OOKBt//zTgNy37fSlR3hKcfY0evVJhDyTn7Mz8Ygd Izf6XEEJ0t860cK6aGGNTU9Jgj9jMpPoN0HnKefuP2RdDkyUR9UVjXRdH2lwATr7sH5wdS n0gVODaLA8ZOpZb7GLwg6/b78zclK1MfH3tEReeqVwnhcZNqeMASCAMx1LctfS5PSAv8nB 1GAAgMvDZ/T2HCF478SfpAJhJ23TV2FJSb6/AjzfywI5Q5ww2lFxeM/V6cO5uywFsXi3OS 498h8ZLYV1QAf3CKzpTpiGMm95+/Qz75OeJz6MveHKBs95C57WN//K52GkiKzQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1758720690; a=rsa-sha256; cv=none; b=xoPVD3aB+nFNTHgBbgDFHSFQhYYT6faonWn6Grmy1+4JkBXoV009Ybk/g4LuYXPFmzR7ap 5uxOcXUDDa4aZfT/f+a7X5I9cjlDBhswZLtS45q++0FsGLa0wGbhvCfgF97stuI4+lUSqM gsw3KZeAPAdmoh3L1wNQkf/ALtfwsUJ+dlD7LpKBs5hEJNcSYjGalCk1Du1iLd4PSwE0Br 8me3BEVctfBBkJx+jAkN9IQjPJVRVHmgGX+FKrSJYejUxDcAsWAk34HZeNtcRbMqflfZwR fB0GVk7tHNi/botaFNuIux6eRYN2SadG7qi+6QC/9DjyyswjWv3xm7398n4m+A== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4cWyRj6xf1zZf9 for ; Wed, 24 Sep 2025 13:31:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58ODVThf082569 for ; Wed, 24 Sep 2025 13:31:29 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58ODVTH6082568 for net@FreeBSD.org; Wed, 24 Sep 2025 13:31:29 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 289545] No option to disable NOMAP leads to network down/up with em0 when starting bridge. Date: Wed, 24 Sep 2025 13:31:30 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.5-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289545 --- Comment #11 from commit-hook@FreeBSD.org --- A commit in branch stable/15 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D5f472754ba6f9cc95607956c6e2ad6483= c9dd157 commit 5f472754ba6f9cc95607956c6e2ad6483c9dd157 Author: Zhenlei Huang AuthorDate: 2025-09-19 19:18:27 +0000 Commit: Zhenlei Huang CommitDate: 2025-09-24 13:29:24 +0000 ifconfig: Fix the display of the IFCAP_MEXTPG capability without netlink Historically this capability is IFCAP_NOMAP but it was renamed to IFCAP_MEXTPG. Catch up with the change 3f43ada98c89. PR: 289545 Fixes: 3f43ada98c89 Catch up with 6edfd179c86: mechanically re= name IFCAP_NOMAP to IFCAP_MEXTPG MFC after: 3 days (cherry picked from commit 5017fdb728811fd3e15d7151524378f49a49aee1) sbin/ifconfig/ifconfig.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Wed Sep 24 21:25:54 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cX8z64F6Pz68SrP for ; Wed, 24 Sep 2025 21:25:54 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cX8z63Mbqz3DGp for ; 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Wed, 24 Sep 2025 21:25:54 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58OLPsHx093916 for ; Wed, 24 Sep 2025 21:25:54 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58OLPsrR093915 for net@FreeBSD.org; Wed, 24 Sep 2025 21:25:54 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 276862] vnet doesnt release iface after running openvpn Date: Wed, 24 Sep 2025 21:25:54 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.3-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: mandree@FreeBSD.org X-Bugzilla-Status: Closed X-Bugzilla-Resolution: Feedback Timeout X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc bug_status resolution Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D276862 Matthias Andree changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mandree@FreeBSD.org Status|New |Closed Resolution|--- |Feedback Timeout --- Comment #11 from Matthias Andree --- If the issue persists in a supported FreeBSD release and with OpenVPN 2.6.1= 5, please update the affected OS revision and reopen this PR. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Thu Sep 25 00:13:43 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cXDhl5jXzz68gFF for ; 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mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4cXDhl1pVbzv5G for ; Thu, 25 Sep 2025 00:13:43 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58P0DhaE061174 for ; Thu, 25 Sep 2025 00:13:43 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58P0Dho9061173 for net@FreeBSD.org; Thu, 25 Sep 2025 00:13:43 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 289824] nfscbd(8) does not support IPv6 Date: Thu, 25 Sep 2025 00:13:43 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 15.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: linimon@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: assigned_to Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289824 Mark Linimon changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|bugs@FreeBSD.org |net@FreeBSD.org --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Thu Sep 25 03:35:29 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cXK9Y6nBNz67hlW for ; Thu, 25 Sep 2025 03:35:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cXK9Y4WvWz3wyp for ; 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Thu, 25 Sep 2025 03:35:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58P3ZTox067754 for ; Thu, 25 Sep 2025 03:35:29 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58P3ZTJq067753 for net@FreeBSD.org; Thu, 25 Sep 2025 03:35:29 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 265714] igc(4) drops link under high traffic Date: Thu, 25 Sep 2025 03:35:29 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.1-STABLE X-Bugzilla-Keywords: IntelNetworking X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: john@cybersashi.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D265714 --- Comment #33 from john@cybersashi.com --- It looks like instructions and pointers to the necessary tools / firmware images for upgrading the NVM is available at: https://forum.opnsense.org/index.php?topic=3D48695.msg246912#msg246912 --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Thu Sep 25 19:16:47 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cXk3g2cLmz68TR4 for ; Thu, 25 Sep 2025 19:16:47 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cXk3g27Wkz41cs for ; 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Thu, 25 Sep 2025 19:16:47 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58PJGlOA087985 for ; Thu, 25 Sep 2025 19:16:47 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58PJGlcQ087984 for net@FreeBSD.org; Thu, 25 Sep 2025 19:16:47 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 289824] nfscbd(8) does not support IPv6 Date: Thu, 25 Sep 2025 19:16:47 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 15.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: ivy@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289824 --- Comment #2 from Lexi Winter --- (In reply to Rick Macklem from comment #1) ah, i didn't realise this is only required for NFS 4.0 specifically, the manpage just says it's for NFSv4 in general. in that case i don't really care about this issue since i don't use NFS 4.0, but perhaps the manpage could do with an update. (i would do that myself, = but i'm quite busy with the 15.0 release and might not have a change any time soon.) --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Thu Sep 25 20:48:28 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cXm5T3W6Jz68cBs for ; Thu, 25 Sep 2025 20:48:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cXm5T0Ll1z4JrQ for ; Thu, 25 Sep 2025 20:48:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; 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Thu, 25 Sep 2025 20:48:28 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58PKmS61022723 for ; Thu, 25 Sep 2025 20:48:28 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58PKmSA8022722 for net@FreeBSD.org; Thu, 25 Sep 2025 20:48:28 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 289842] dhcpcd: fails to get address and fails to exit Date: Thu, 25 Sep 2025 20:48:28 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 15.0-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: linimon@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: version component product assigned_to Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289842 Mark Linimon changed: What |Removed |Added ---------------------------------------------------------------------------- Version|Latest |15.0-STABLE Component|Individual Port(s) |kern Product|Ports & Packages |Base System Assignee|ports-bugs@FreeBSD.org |net@FreeBSD.org --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Thu Sep 25 22:07:16 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cXnrN4qZFz68hr5 for ; Thu, 25 Sep 2025 22:07:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cXnrN40brz3C55 for ; 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Thu, 25 Sep 2025 22:07:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58PM7GCa040535 for ; Thu, 25 Sep 2025 22:07:16 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58PM7G7H040534 for net@FreeBSD.org; Thu, 25 Sep 2025 22:07:16 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 282309] igb(4) shows high error count when attached to VF Date: Thu, 25 Sep 2025 22:07:16 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 15.0-CURRENT X-Bugzilla-Keywords: IntelNetworking X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: jmg@FreeBSD.org X-Bugzilla-Status: Closed X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: resolution bug_status cc Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D282309 John-Mark Gurney changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|New |Closed CC| |jmg@FreeBSD.org --- Comment #5 from John-Mark Gurney --- Committed and fixed. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Fri Sep 26 00:58:12 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cXsf80rWZz68w5J; Fri, 26 Sep 2025 00:58:40 +0000 (UTC) (envelope-from lists@jnielsen.net) Received: from webmail5.jnielsen.net (webmail5.jnielsen.net [IPv6:2607:f170:34:11::b0]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mail.freebsdsolutions.net", Issuer "R13" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cXsf64KWSz3Qnj; Fri, 26 Sep 2025 00:58:38 +0000 (UTC) (envelope-from lists@jnielsen.net) Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of lists@jnielsen.net designates 2607:f170:34:11::b0 as permitted sender) smtp.mailfrom=lists@jnielsen.net Received: from smtpclient.apple ([IPv6:2607:fa18:e2fe:2d6a:e55f:7fce:3072:eb05]) (authenticated bits=0) by webmail5.jnielsen.net (8.18.1/8.18.1) with ESMTPSA id 58Q0wNZN037575 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 25 Sep 2025 18:58:26 -0600 (MDT) (envelope-from lists@jnielsen.net) X-Authentication-Warning: webmail5.jnielsen.net: Host [IPv6:2607:fa18:e2fe:2d6a:e55f:7fce:3072:eb05] claimed to be smtpclient.apple From: John Nielsen Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.700.81\)) Subject: Chelsio (cxgbe) VF on FreeBSD guest under KVM requires -rxcsum Message-Id: <5D2A2499-4B43-4FE6-AA5A-AD334BC4E872@jnielsen.net> Date: Thu, 25 Sep 2025 18:58:12 -0600 Cc: np@freebsd.org To: net@freebsd.org, virtualization@freebsd.org X-Mailer: Apple Mail (2.3826.700.81) X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.87 / 15.00]; NEURAL_HAM_SHORT(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-0.95)[-0.950]; NEURAL_HAM_LONG(-0.62)[-0.622]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; APPLE_MAILER_COMMON(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_COUNT_ONE(0.00)[1]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; DMARC_NA(0.00)[jnielsen.net]; MID_RHS_MATCH_FROM(0.00)[]; MLMMJ_DEST(0.00)[virtualization@freebsd.org,net@freebsd.org]; FROM_HAS_DN(0.00)[]; HAS_XAW(0.00)[]; R_DKIM_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; RCPT_COUNT_THREE(0.00)[3] X-Rspamd-Queue-Id: 4cXsf64KWSz3Qnj Hi- Not sure if this is a known issue or even an issue on the FreeBSD side = but decided to ask here first. I=E2=80=99m happy to put in a bug report = if appropriate. I have a hypervisor machine running Arch Linux with KVM, Qemu and = libvirtd. The machine has a Chelsio T520-CR adapter. I recently began = passing through virtual functions of the NIC to several of the guests I = run on the hypervisor. One of the guests runs Windows 11, and the change = was seamless. Two of the guests are running FreeBSD (14.3 or so). On = each of them the VFs were readily identified and configured (using DHCP = in one case), and ping and ARP appeared to work fine. However, TCP and = UDP traffic to the guests never received a response. After some = head-scratching and troubleshooting I discovered that running = =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D immediately allowed traffic to = flow as expected. As workarounds go that isn=E2=80=99t terrible, but I was surprised that = the FreeBSD guests required this adjustment while the Windows one did = not. As a point of reference I have another hypervisor machine that runs = FreeBSD 14-STABLE. It also has a Chelsio T520-CR adapter. FreeBSD guests = on that machine do not require =E2=80=9C-rxcsum=E2=80=9D in order to use = the Chelsio virtual functions. Let me know if anyone can shed some light on this. I=E2=80=99m happy to = provide additional details or run further tests if needed. Thank you! -John From nobody Fri Sep 26 07:45:06 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cY2gb163Xz69MlP; Fri, 26 Sep 2025 07:45:31 +0000 (UTC) (envelope-from michael.tuexen@lurchi.franken.de) Received: from drew.franken.de (drew.ipv6.franken.de [IPv6:2001:638:a02:a001:20e:cff:fe4a:feaa]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.franken.de", Issuer "Certum Domain Validation CA SHA2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cY2gZ5zsGz42Mg; Fri, 26 Sep 2025 07:45:30 +0000 (UTC) (envelope-from michael.tuexen@lurchi.franken.de) Authentication-Results: mx1.freebsd.org; none Received: from smtpclient.apple (unknown [IPv6:2a02:8109:1101:be00:5d27:282b:231f:d64c]) (Authenticated sender: lurchi) by drew.franken.de (Postfix) with ESMTPSA id 9F983721E280D; Fri, 26 Sep 2025 09:45:06 +0200 (CEST) Content-Type: text/plain; charset=utf-8 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.100.1.1.5\)) Subject: Re: Chelsio (cxgbe) VF on FreeBSD guest under KVM requires -rxcsum From: Michael Tuexen In-Reply-To: <5D2A2499-4B43-4FE6-AA5A-AD334BC4E872@jnielsen.net> Date: Fri, 26 Sep 2025 09:45:06 +0200 Cc: net@freebsd.org, virtualization@freebsd.org, np@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <5D2A2499-4B43-4FE6-AA5A-AD334BC4E872@jnielsen.net> To: John Nielsen X-Mailer: Apple Mail (2.3864.100.1.1.5) X-Spam-Status: No, score=-2.7 required=5.0 tests=ALL_TRUSTED,BAYES_00, URIBL_CSS,URIBL_CSS_A autolearn=disabled version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on mail-n.franken.de X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:680, ipnet:2001:638::/32, country:DE] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 4cY2gZ5zsGz42Mg > On 26. Sep 2025, at 02:58, John Nielsen wrote: >=20 > Hi- >=20 > Not sure if this is a known issue or even an issue on the FreeBSD side = but decided to ask here first. I=E2=80=99m happy to put in a bug report = if appropriate. >=20 > I have a hypervisor machine running Arch Linux with KVM, Qemu and = libvirtd. The machine has a Chelsio T520-CR adapter. I recently began = passing through virtual functions of the NIC to several of the guests I = run on the hypervisor. One of the guests runs Windows 11, and the change = was seamless. Two of the guests are running FreeBSD (14.3 or so). On = each of them the VFs were readily identified and configured (using DHCP = in one case), and ping and ARP appeared to work fine. However, TCP and = UDP traffic to the guests never received a response. After some = head-scratching and troubleshooting I discovered that running = =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D immediately allowed traffic to = flow as expected. Hi John, I don't have access to such a network card. Just to be clear: you are = running the =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D command inside the = guest running FreeBSD, right? What is the peer, when you mention TCP and UDP do not work? Is it the = host running Linux? Is it another VM? Is it some external host? >=20 > As workarounds go that isn=E2=80=99t terrible, but I was surprised = that the FreeBSD guests required this adjustment while the Windows one = did not. >=20 > As a point of reference I have another hypervisor machine that runs = FreeBSD 14-STABLE. It also has a=20 So the host runs FreeBSD and you use bhyve to run some VM? > Chelsio T520-CR adapter. FreeBSD guests on that machine do not require = =E2=80=9C-rxcsum=E2=80=9D in order to use the Chelsio virtual functions. The guests run FreeBSD-STABLE or Freebsd 14.3? What is the peer, when you mention TCP and UDP do not work? Is it the = host running Linux? Is it another VM? Is it some external host? >=20 > Let me know if anyone can shed some light on this. I=E2=80=99m happy = to provide additional details or run further tests if needed. Thank you! Maybe I can, but I need to understand the scenario... Best regards Michael >=20 > -John >=20 >=20 From nobody Fri Sep 26 08:08:56 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cY3Bf4jMFz69PBV; Fri, 26 Sep 2025 08:08:58 +0000 (UTC) (envelope-from ronald-lists@klop.ws) Received: from smtp-relay-int-backup.realworks.nl (smtp-relay-int-backup.realworks.nl [87.255.56.188]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4cY3Bf2NHnz44Ly; Fri, 26 Sep 2025 08:08:58 +0000 (UTC) (envelope-from ronald-lists@klop.ws) Authentication-Results: mx1.freebsd.org; none Received: from smtp-relay-int-backup.realworks.nl (crmpreview7.colo2.realworks.nl [10.2.52.37]) by mailrelayint2.colo2.realworks.nl (Postfix) with ESMTP id 4cY3Bd0tDLzJS; Fri, 26 Sep 2025 10:08:57 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=klop.ws; s=rw2; t=1758874137; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=KkJGS17I1vLN6j9qTmeUWuz0W83naR3o3Zu0UnCDXRI=; b=PmIwDiimiq53DEDxmbhAKyIG9syvorEZiE7eboLcpxIxr8RV8KO0eFmL1NLT91q1DUsF69 RZCV4uqDonqsSw5PqVJ7pXNsnz9n/XcIPdJpfmS1HpwepK6YZ/kuSe5AFvCZ0so+sPOpYy bdwdO9UtmAVQPmCktJLQFw8dN0UV4P60XweA88OP0xAvFQZoOTlUrUAQuNRJih5+L6acCq bXoHcDRgp3SA6IjGjCsL4FFetzFVYpB/UjBHHUxeMcq6A6FyckINUQouQzCTW5L5sEZOCm mYIDblAOaI9RlkfkilT3NJRwsUXVkQ9r3bht0vtl4jZ7cqE1M4KXU3agvUqBpw== Received: from crmpreview7.colo2.realworks.nl (localhost [127.0.0.1]) by crmpreview7.colo2.realworks.nl (Postfix) with ESMTP id D867518018B; Fri, 26 Sep 2025 10:08:56 +0200 (CEST) Date: Fri, 26 Sep 2025 10:08:56 +0200 (CEST) From: Ronald Klop To: Michael Tuexen Cc: np@freebsd.org, net@freebsd.org, virtualization@freebsd.org, John Nielsen Message-ID: <1500781860.3093.1758874136857@localhost> In-Reply-To: References: <5D2A2499-4B43-4FE6-AA5A-AD334BC4E872@jnielsen.net> Subject: Re: Chelsio (cxgbe) VF on FreeBSD guest under KVM requires -rxcsum List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_3092_724585717.1758874136854" X-Mailer: Realworks (767.1) X-Originating-Host: from (89-20-164-210.static.ef-service.nl [89.20.164.210]) by crmpreview7.colo2.realworks.nl [10.2.52.37] with HTTP; Fri, 26 Sep 2025 10:08:56 +0200 Importance: Normal X-Priority: 3 (Normal) X-Originating-User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:143.0) Gecko/20100101 Firefox/143.0 X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 4cY3Bf2NHnz44Ly ------=_Part_3092_724585717.1758874136854 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Hi, This sounds very similar to the scenario that is fixed in 16-CURRENT and 15= with delayed checksum in a virtual environment. These are some of the commits around this, but there are more commits invol= ved. https://cgit.freebsd.org/src/commit/?id=3D39d4094173f9a49ff52f5f4408e4dbd5d= 6ef0409 https://cgit.freebsd.org/src/commit/?id=3Dbcb298fa9e23c1192c5707086a67d3b39= 6186abc I also remember bug reports about this case, but don't have the link availa= bie. I hope this is a pointer to the solution for you. Regards, Ronald. =20 Van: Michael Tuexen Datum: vrijdag, 26 september 2025 09:45 Aan: John Nielsen CC: net@freebsd.org, virtualization@freebsd.org, np@freebsd.org Onderwerp: Re: Chelsio (cxgbe) VF on FreeBSD guest under KVM requires -rxcs= um >=20 > > On 26. Sep 2025, at 02:58, John Nielsen wrote: > > > > Hi- > > > > Not sure if this is a known issue or even an issue on the FreeBSD side = but decided to ask here first. I=E2=80=99m happy to put in a bug report if = appropriate. > > > > I have a hypervisor machine running Arch Linux with KVM, Qemu and libvi= rtd. The machine has a Chelsio T520-CR adapter. I recently began passing th= rough virtual functions of the NIC to several of the guests I run on the hy= pervisor. One of the guests runs Windows 11, and the change was seamless. T= wo of the guests are running FreeBSD (14.3 or so). On each of them the VFs = were readily identified and configured (using DHCP in one case), and ping a= nd ARP appeared to work fine. However, TCP and UDP traffic to the guests ne= ver received a response. After some head-scratching and troubleshooting I d= iscovered that running =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D immediately= allowed traffic to flow as expected. > Hi John, >=20 > I don't have access to such a network card. Just to be clear: you are run= ning the =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D command inside the guest = running FreeBSD, right? > What is the peer, when you mention TCP and UDP do not work? Is it the hos= t running Linux? Is it another VM? Is it some external host? > > > > As workarounds go that isn=E2=80=99t terrible, but I was surprised that= the FreeBSD guests required this adjustment while the Windows one did not. > > > > As a point of reference I have another hypervisor machine that runs Fre= eBSD 14-STABLE. It also has a > So the host runs FreeBSD and you use bhyve to run some VM? > > Chelsio T520-CR adapter. FreeBSD guests on that machine do not require = =E2=80=9C-rxcsum=E2=80=9D in order to use the Chelsio virtual functions. > The guests run FreeBSD-STABLE or Freebsd 14.3? > What is the peer, when you mention TCP and UDP do not work? Is it the hos= t running Linux? Is it another VM? Is it some external host? > > > > Let me know if anyone can shed some light on this. I=E2=80=99m happy to= provide additional details or run further tests if needed. Thank you! > Maybe I can, but I need to understand the scenario... >=20 > Best regards > Michael > > > > -John > > > > >=20 > =20 >=20 >=20 >=20 =20 ------=_Part_3092_724585717.1758874136854 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi,

This sounds very similar to the scenario that is fixed in 16-CURRENT and 15= with delayed checksum in a virtual environment.

These are some of the commits around this, but there are more commits invol= ved.
https://cgit.freebsd.org/src/commit/?id=3D39d4094173f9a= 49ff52f5f4408e4dbd5d6ef0409
https://cgit.freebsd.org/src/commit/?id=3Dbcb298fa9e23c= 1192c5707086a67d3b396186abc

I also remember bug reports about this case, but don't have the link availa= bie.

I hope this is a pointer to the solution for you.

Regards,
Ronald.

 

Van: Michael Tuexen <michael.tuexen@lurchi.franken.d= e>
Datum: vrijdag, 26 september 2025 09:45
Aan: John Nielsen <lists@jnielsen.net>
CC: net@freebsd.org, virtualization@freebsd.org, np@freebs= d.org
Onderwerp: Re: Chelsio (cxgbe) VF on FreeBSD guest under K= VM requires -rxcsum

> On 26. Sep 2025, at 02:58, J= ohn Nielsen <lists@jnielsen.net> wrote:
>
> Hi-
>
> Not sure if this is a known issue or even an issue on the FreeBSD side= but decided to ask here first. I=E2=80=99m happy to put in a bug report if= appropriate.
>
> I have a hypervisor machine running Arch Linux with KVM, Qemu and libv= irtd. The machine has a Chelsio T520-CR adapter. I recently began passing t= hrough virtual functions of the NIC to several of the guests I run on the h= ypervisor. One of the guests runs Windows 11, and the change was seamless. = Two of the guests are running FreeBSD (14.3 or so). On each of them the VFs= were readily identified and configured (using DHCP in one case), and ping = and ARP appeared to work fine. However, TCP and UDP traffic to the guests n= ever received a response. After some head-scratching and troubleshooting I = discovered that running =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D immediatel= y allowed traffic to flow as expected.
Hi John,

I don't have access to such a network card. Just to be clear: you are runni= ng the =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D command inside the guest ru= nning FreeBSD, right?
What is the peer, when you mention TCP and UDP do not work? Is it the host = running Linux? Is it another VM? Is it some external host?
>
> As workarounds go that isn=E2=80=99t terrible, but I was surprised tha= t the FreeBSD guests required this adjustment while the Windows one did not= .
>
> As a point of reference I have another hypervisor machine that runs Fr= eeBSD 14-STABLE. It also has a
So the host runs FreeBSD and you use bhyve to run some VM?
> Chelsio T520-CR adapter. FreeBSD guests on that machine do not require= =E2=80=9C-rxcsum=E2=80=9D in order to use the Chelsio virtual functions. The guests run FreeBSD-STABLE or Freebsd 14.3?
What is the peer, when you mention TCP and UDP do not work? Is it the host = running Linux? Is it another VM? Is it some external host?
>
> Let me know if anyone can shed some light on this. I=E2=80=99m happy t= o provide additional details or run further tests if needed. Thank you!
Maybe I can, but I need to understand the scenario...

Best regards
Michael
>
> -John
>
>

 

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charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289842 Gleb Smirnoff changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|net@FreeBSD.org |glebius@FreeBSD.org --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Fri Sep 26 18:47:15 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cYKMY5YKlz68jSf; Fri, 26 Sep 2025 18:47:37 +0000 (UTC) (envelope-from lists@jnielsen.net) Received: from webmail5.jnielsen.net (webmail5.jnielsen.net [IPv6:2607:f170:34:11::b0]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mail.freebsdsolutions.net", Issuer "R13" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cYKMX5VbVz45cs; Fri, 26 Sep 2025 18:47:36 +0000 (UTC) (envelope-from lists@jnielsen.net) Authentication-Results: mx1.freebsd.org; none Received: from smtpclient.apple (161.dallas-19rh15rt.tx.dial-access.att.net [12.74.217.161]) (authenticated bits=0) by webmail5.jnielsen.net (8.18.1/8.18.1) with ESMTPSA id 58QIlKcr051144 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO); Fri, 26 Sep 2025 12:47:23 -0600 (MDT) (envelope-from lists@jnielsen.net) X-Authentication-Warning: webmail5.jnielsen.net: Host 161.dallas-19rh15rt.tx.dial-access.att.net [12.74.217.161] claimed to be smtpclient.apple Content-Type: multipart/alternative; boundary=Apple-Mail-4385A15C-5568-4AE1-A3D7-1290F071AE10 Content-Transfer-Encoding: 7bit From: John Nielsen List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (1.0) Subject: Re: Chelsio (cxgbe) VF on FreeBSD guest under KVM requires -rxcsum Date: Fri, 26 Sep 2025 12:47:15 -0600 Message-Id: References: <1500781860.3093.1758874136857@localhost> Cc: Michael Tuexen , np@freebsd.org, net@freebsd.org, virtualization@freebsd.org In-Reply-To: <1500781860.3093.1758874136857@localhost> To: Ronald Klop X-Mailer: iPhone Mail (22G100) X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:6364, ipnet:2607:f170:30::/44, country:US] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 4cYKMX5VbVz45cs --Apple-Mail-4385A15C-5568-4AE1-A3D7-1290F071AE10 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable > On Sep 26, 2025, at 2:09=E2=80=AFAM, Ronald Klop wr= ote: >=20 > This sounds very similar to the scenario that is fixed in 16-CURRENT and 1= 5 with delayed checksum in a virtual environment. >=20 > These are some of the commits around this, but there are more commits invo= lved. > https://cgit.freebsd.org/src/commit/?id=3D39d4094173f9a49ff52f5f4408e4dbd5= d6ef0409 > https://cgit.freebsd.org/src/commit/?id=3Dbcb298fa9e23c1192c5707086a67d3b3= 96186abc >=20 > I also remember bug reports about this case, but don't have the link avail= abie. Thank your for the response! I plan to try updating to 15 soon but I=E2=80=99= m not sure those commits are relevant. The first is about epair which I am n= ot using and the second is for a bug with routing under KVM using virtio net= working IIRC. JN= --Apple-Mail-4385A15C-5568-4AE1-A3D7-1290F071AE10 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
On Sep 26, 2025, at 2:09=E2=80=AFAM, Ronald Klop <= ronald-lists@klop.ws> wrote:

This sounds very similar to the scenario that is fixed in 16-CURRENT and 15 w= ith delayed checksum in a virtual environment.

These are some of the commits around this, but there are more commits involv= ed.
https://cgit.freebsd.org/src/commit/?id=3D39d4094173f9a49= ff52f5f4408e4dbd5d6ef0409
https://cgit.freebsd.org/src/commit/?id=3Dbcb298fa9e23c11= 92c5707086a67d3b396186abc

I also remember bug reports about this case, but don't have the link availab= ie.

Thank your for the response! I plan to tr= y updating to 15 soon but I=E2=80=99m not sure those commits are relevant. T= he first is about epair which I am not using and the second is for a bug wit= h routing under KVM using virtio networking IIRC.

J= N
= --Apple-Mail-4385A15C-5568-4AE1-A3D7-1290F071AE10-- From nobody Fri Sep 26 18:52:41 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cYKTV3pf5z68jqN; Fri, 26 Sep 2025 18:52:46 +0000 (UTC) (envelope-from lists@jnielsen.net) Received: from webmail5.jnielsen.net (webmail5.jnielsen.net [IPv6:2607:f170:34:11::b0]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mail.freebsdsolutions.net", Issuer "R13" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cYKTV2cTFz46m3; Fri, 26 Sep 2025 18:52:46 +0000 (UTC) (envelope-from lists@jnielsen.net) Authentication-Results: mx1.freebsd.org; none Received: from smtpclient.apple (161.dallas-19rh15rt.tx.dial-access.att.net [12.74.217.161]) (authenticated bits=0) by webmail5.jnielsen.net (8.18.1/8.18.1) with ESMTPSA id 58QIqgFH051227 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO); Fri, 26 Sep 2025 12:52:45 -0600 (MDT) (envelope-from lists@jnielsen.net) X-Authentication-Warning: webmail5.jnielsen.net: Host 161.dallas-19rh15rt.tx.dial-access.att.net [12.74.217.161] claimed to be smtpclient.apple Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: John Nielsen List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (1.0) Subject: Re: Chelsio (cxgbe) VF on FreeBSD guest under KVM requires -rxcsum Date: Fri, 26 Sep 2025 12:52:41 -0600 Message-Id: References: Cc: net@freebsd.org, virtualization@freebsd.org, np@freebsd.org In-Reply-To: To: Michael Tuexen X-Mailer: iPhone Mail (22G100) X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:6364, ipnet:2607:f170:30::/44, country:US] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 4cYKTV2cTFz46m3 > On Sep 26, 2025, at 1:46=E2=80=AFAM, Michael Tuexen wrote: > =EF=BB=BF >>=20 >> On 26. Sep 2025, at 02:58, John Nielsen wrote: >>=20 >> Not sure if this is a known issue or even an issue on the FreeBSD side bu= t decided to ask here first. I=E2=80=99m happy to put in a bug report if app= ropriate. >>=20 >> I have a hypervisor machine running Arch Linux with KVM, Qemu and libvirt= d. The machine has a Chelsio T520-CR adapter. I recently began passing throu= gh virtual functions of the NIC to several of the guests I run on the hyperv= isor. One of the guests runs Windows 11, and the change was seamless. Two of= the guests are running FreeBSD (14.3 or so). On each of them the VFs were r= eadily identified and configured (using DHCP in one case), and ping and ARP a= ppeared to work fine. However, TCP and UDP traffic to the guests never recei= ved a response. After some head-scratching and troubleshooting I discovered t= hat running =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D immediately allowed tra= ffic to flow as expected. >=20 > I don't have access to such a network card. Just to be clear: you are runn= ing the =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D command inside the guest ru= nning FreeBSD, right? Yes. > What is the peer, when you mention TCP and UDP do not work? Is it the host= running Linux? Is it another VM? Is it some external host? My laptop on the same subnet primarily, but. Also tested from another physic= al machine running FreeBSD. >> As workarounds go that isn=E2=80=99t terrible, but I was surprised that t= he FreeBSD guests required this adjustment while the Windows one did not. >>=20 >> As a point of reference I have another hypervisor machine that runs FreeB= SD 14-STABLE. It also has a > So the host runs FreeBSD and you use bhyve to run some VM? Yes >> Chelsio T520-CR adapter. FreeBSD guests on that machine do not require =E2= =80=9C-rxcsum=E2=80=9D in order to use the Chelsio virtual functions. > The guests run FreeBSD-STABLE or Freebsd 14.3? > What is the peer, when you mention TCP and UDP do not work? Is it the host= running Linux? Is it another VM? Is it some external host? FreeBSD 14-STABLE circa 14.3 Multiple off-box same-subnet peers in this scenario as well including my lap= top. I=E2=80=99m aware that VF-to-PF communication is a special case. 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Fri, 26 Sep 2025 20:17:49 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58QKHnPx077616 for net@FreeBSD.org; Fri, 26 Sep 2025 20:17:49 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 282309] igb(4) shows high error count when attached to VF Date: Fri, 26 Sep 2025 20:17:49 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 15.0-CURRENT X-Bugzilla-Keywords: IntelNetworking X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: Closed X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D282309 --- Comment #6 from commit-hook@FreeBSD.org --- A commit in branch stable/15 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3Dd2518851f2f90b0b36e7354b544193512= 5b8a574 commit d2518851f2f90b0b36e7354b5441935125b8a574 Author: John-Mark Gurney AuthorDate: 2025-09-26 19:58:02 +0000 Commit: John-Mark Gurney CommitDate: 2025-09-26 20:16:16 +0000 e1000: fix igb VF stats igb VF must not read normal stat registers and only read a limited set of registers. The PF registers also don't make since as the VF is an internal port, and there is no PHY to collect stats like CRC errors from. This is effectively a cherry-pick of 3c60ea77649d, which had to be adapted due to another commit. This is diff id 161565. PR: 282309 Obtained from: Juniper Networks, Inc. Differential Revision: https://reviews.freebsd.org/D52326 sys/dev/e1000/if_em.c | 351 +++++++++++++++++++++++++++++++---------------= ---- sys/dev/e1000/if_em.h | 19 ++- 2 files changed, 237 insertions(+), 133 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Fri Sep 26 21:44:16 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cYPHs4vhyz68vxh; Fri, 26 Sep 2025 21:44:41 +0000 (UTC) (envelope-from michael.tuexen@lurchi.franken.de) Received: from drew.franken.de (drew.ipv6.franken.de [IPv6:2001:638:a02:a001:20e:cff:fe4a:feaa]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.franken.de", Issuer "Certum Domain Validation CA SHA2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cYPHs236Wz3PbH; Fri, 26 Sep 2025 21:44:41 +0000 (UTC) (envelope-from michael.tuexen@lurchi.franken.de) Authentication-Results: mx1.freebsd.org; none Received: from smtpclient.apple (unknown [IPv6:2a02:8109:1101:be00:4139:486c:e3c3:f4ae]) (Authenticated sender: lurchi) by drew.franken.de (Postfix) with ESMTPSA id 073B6721E280D; Fri, 26 Sep 2025 23:44:16 +0200 (CEST) Content-Type: text/plain; charset=utf-8 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.100.1.1.5\)) Subject: Re: Chelsio (cxgbe) VF on FreeBSD guest under KVM requires -rxcsum From: Michael Tuexen In-Reply-To: Date: Fri, 26 Sep 2025 23:44:16 +0200 Cc: net@freebsd.org, virtualization@freebsd.org, np@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: References: To: John Nielsen X-Mailer: Apple Mail (2.3864.100.1.1.5) X-Spam-Status: No, score=-2.7 required=5.0 tests=ALL_TRUSTED,BAYES_00, URIBL_CSS,URIBL_CSS_A autolearn=disabled version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on mail-n.franken.de X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:680, ipnet:2001:638::/32, country:DE] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 4cYPHs236Wz3PbH > On 26. Sep 2025, at 20:52, John Nielsen wrote: >=20 >> On Sep 26, 2025, at 1:46=E2=80=AFAM, Michael Tuexen = wrote: >> =EF=BB=BF >>>=20 >>> On 26. Sep 2025, at 02:58, John Nielsen wrote: >>>=20 >>> Not sure if this is a known issue or even an issue on the FreeBSD = side but decided to ask here first. I=E2=80=99m happy to put in a bug = report if appropriate. >>>=20 >>> I have a hypervisor machine running Arch Linux with KVM, Qemu and = libvirtd. The machine has a Chelsio T520-CR adapter. I recently began = passing through virtual functions of the NIC to several of the guests I = run on the hypervisor. One of the guests runs Windows 11, and the change = was seamless. Two of the guests are running FreeBSD (14.3 or so). On = each of them the VFs were readily identified and configured (using DHCP = in one case), and ping and ARP appeared to work fine. However, TCP and = UDP traffic to the guests never received a response. After some = head-scratching and troubleshooting I discovered that running = =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D immediately allowed traffic to = flow as expected. >>=20 >> I don't have access to such a network card. Just to be clear: you are = running the =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D command inside the = guest running FreeBSD, right? >=20 > Yes. >=20 >> What is the peer, when you mention TCP and UDP do not work? Is it the = host running Linux? Is it another VM? Is it some external host? >=20 > My laptop on the same subnet primarily, but. Also tested from another = physical machine running FreeBSD. OK. That does not seem to be related to what I initially thought. Could you run tcpdump -i outgoing_interface -w laptop.pcap on your laptop and tcpdump -i cxlv0 -w vm.pcap on your vm at the same time and try to do some TCP based communication. Maybe two times, one time with ifconfig cxlv0 rxcsum and one time with = ifconfig cxlv0 -rxcsum. If you are fine with doing the measurements, you can send the .pcap = files to tuexen@freebsd.org . At least I would like to understand what is going on. Best regards Michael >=20 >>> As workarounds go that isn=E2=80=99t terrible, but I was surprised = that the FreeBSD guests required this adjustment while the Windows one = did not. >>>=20 >>> As a point of reference I have another hypervisor machine that runs = FreeBSD 14-STABLE. It also has a >> So the host runs FreeBSD and you use bhyve to run some VM? >=20 > Yes >=20 >>> Chelsio T520-CR adapter. FreeBSD guests on that machine do not = require =E2=80=9C-rxcsum=E2=80=9D in order to use the Chelsio virtual = functions. >> The guests run FreeBSD-STABLE or Freebsd 14.3? >> What is the peer, when you mention TCP and UDP do not work? Is it the = host running Linux? Is it another VM? Is it some external host? >=20 > FreeBSD 14-STABLE circa 14.3 >=20 > Multiple off-box same-subnet peers in this scenario as well including = my laptop. >=20 > I=E2=80=99m aware that VF-to-PF communication is a special case. >=20 > JN From nobody Sat Sep 27 14:40:03 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cYqqk5cfWz69Q6V for ; Sat, 27 Sep 2025 14:40:18 +0000 (UTC) (envelope-from tom.smyth@wirelessconnect.eu) Received: from mail-vs1-xe2b.google.com (mail-vs1-xe2b.google.com [IPv6:2607:f8b0:4864:20::e2b]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cYqqk0Y14z40bJ for ; Sat, 27 Sep 2025 14:40:17 +0000 (UTC) (envelope-from tom.smyth@wirelessconnect.eu) Authentication-Results: mx1.freebsd.org; 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Sat, 27 Sep 2025 07:40:15 -0700 (PDT) List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 From: Tom Smyth Date: Sat, 27 Sep 2025 15:40:03 +0100 X-Gm-Features: AS18NWDLYqmPHkOH5QtsDk9RQXxQ2USq-iRIzfozH5ytMhPz4SedydyPpcvFfL8 Message-ID: Subject: VPP on FreeBSD Stable 14.3 To: freebsd-net@freebsd.org Content-Type: text/plain; charset="UTF-8" X-Spamd-Bar: --- X-Spamd-Result: default: False [-4.00 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[wirelessconnect.eu,none]; R_DKIM_ALLOW(-0.20)[wirelessconnect.eu:s=google]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_ONE(0.00)[1]; MISSING_XM_UA(0.00)[]; ARC_NA(0.00)[]; RCVD_COUNT_ONE(0.00)[1]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; RCVD_TLS_LAST(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::e2b:from]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[wirelessconnect.eu:+] X-Rspamd-Queue-Id: 4cYqqk0Y14z40bJ Folks, I was wondering folks who run vpp on FreeBSD, 1) when I run vpp ssh on the management nic becomes un responsive... 2) is there a recommended freeBSD /etc/vpp/startup.conf file that works well for FreeBSD ? i have a virtio NIC for management Im trying out FreeBSD with VPP inside a PRoxmox Hosted VM with Intel IOMMU (not virtio-iommu) 8GB RAM 2 sockets 1 core, assigned to the VM, my /boot/loader.conf cat /boot/loader.conf boot_multicons=YES boot_serial=YES comconsole_speed=115200 console="comconsole,vidconsole" contigmem_load="YES" nic_uio_load="YES" hw.contigmem.num_buffers=4 hw.contigmem.buffer_size=1073741824 hw.nic_uio.bdfs="1:0:0,2:0:0" dmesg output ---<>--- Copyright (c) 1992-2023 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 14.3-RELEASE releng/14.3-n271432-8c9ce319fef7 GENERIC amd64 FreeBSD clang version 19.1.7 (https://github.com/llvm/llvm-project.git llvmorg-19.1.7-0-gcd708029e0b2) VT(vga): text 80x25 CPU: Intel(R) Xeon(R) CPU E5-2430 v2 @ 2.50GHz (2494.81-MHz K8-class CPU) Origin="GenuineIntel" Id=0x306e4 Family=0x6 Model=0x3e Stepping=4 Features=0xf83fbff Features2=0xffbaa223 AMD Features=0x2c100800 AMD Features2=0x1 Structured Extended Features=0x283 Structured Extended Features2=0x4 Structured Extended Features3=0xbc000400 XSAVE Features=0x1 IA32_ARCH_CAPS=0xc000048 AMD Extended Feature Extensions ID EBX=0x100d000 VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID,VID,PostIntr Hypervisor: Origin = "KVMKVMKVM" real memory = 8589934592 (8192 MB) avail memory = 8251035648 (7868 MB) Event timer "LAPIC" quality 600 ACPI APIC Table: FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs FreeBSD/SMP: 2 package(s) x 1 core(s) random: registering fast source Intel Secure Key RNG random: fast provider: "Intel Secure Key RNG" random: unblocking device. ioapic0 irqs 0-23 Launching APs: 1 random: entropy device external interface kbd1 at kbdmux0 nic_uio: hw.nic_uio.bdfs = '1:0:0,2:0:0' 0: virt=0xfffffe008ec00000 phys=0x140000000 1: virt=0xfffffe00cec00000 phys=0x180000000 2: virt=0xfffffe010ec00000 phys=0x1c0000000 3: virt=0xfffffe014ec00000 phys=0x200000000 vtvga0: kvmclock0: Timecounter "kvmclock" frequency 1000000000 Hz quality 975 kvmclock0: registered as a time-of-day clock, resolution 0.000001s smbios0: at iomem 0xf5200-0xf521e smbios0: Entry point: v2.1 (32-bit), Version: 2.8, BCD Revision: 2.8 aesni0: acpi0: acpi0: Power Button (fixed) cpu0: on acpi0 atrtc0: port 0x70-0x77 irq 8 on acpi0 atrtc0: registered as a time-of-day clock, resolution 1.000000s Event timer "RTC" frequency 32768 Hz quality 0 hpet0: iomem 0xfed00000-0xfed003ff on acpi0 Timecounter "HPET" frequency 100000000 Hz quality 950 Timecounter "ACPI-fast" frequency 3579545 Hz quality 900 acpi_timer0: <24-bit timer at 3.579545MHz> port 0x608-0x60b on acpi0 pcib0: port 0xcf8-0xcff on acpi0 pci0: on pcib0 vgapci0: mem 0xfc000000-0xfcffffff,0xfea14000-0xfea14fff at device 1.0 on pci0 vgapci0: Boot video device uhci0: port 0x5040-0x505f irq 16 at device 26.0 on pci0 usbus0 on uhci0 usbus0: 12Mbps Full Speed USB v1.0 uhci1: port 0x5060-0x507f irq 17 at device 26.1 on pci0 usbus1 on uhci1 usbus1: 12Mbps Full Speed USB v1.0 uhci2: port 0x5080-0x509f irq 18 at device 26.2 on pci0 usbus2 on uhci2 usbus2: 12Mbps Full Speed USB v1.0 ehci0: mem 0xfea15000-0xfea15fff irq 19 at device 26.7 on pci0 usbus3: EHCI version 1.0 usbus3 on ehci0 usbus3: 480Mbps High Speed USB v2.0 hdac0: mem 0xfea10000-0xfea13fff irq 16 at device 27.0 on pci0 pcib1: mem 0xfea16000-0xfea16fff irq 16 at device 28.0 on pci0 pci1: on pcib1 nic_uio_probe: probed dev=0xfffff80003a11700 nic_uio0: mem 0x383800000000-0x38380000ffff,0x383800010000-0x383800013fff at device 0.0 on pci1 pcib2: mem 0xfea17000-0xfea17fff irq 16 at device 28.1 on pci0 pci2: on pcib2 nic_uio_probe: probed dev=0xfffff800038ad800 nic_uio1: mem 0x383000000000-0x38300000ffff,0x383000010000-0x383000013fff at device 0.0 on pci2 pcib3: mem 0xfea18000-0xfea18fff irq 16 at device 28.2 on pci0 pci3: on pcib3 pcib4: mem 0xfea19000-0xfea19fff irq 16 at device 28.3 on pci0 pci4: on pcib4 uhci3: port 0x50a0-0x50bf irq 16 at device 29.0 on pci0 usbus4 on uhci3 usbus4: 12Mbps Full Speed USB v1.0 uhci4: port 0x50c0-0x50df irq 17 at device 29.1 on pci0 usbus5 on uhci4 usbus5: 12Mbps Full Speed USB v1.0 uhci5: port 0x50e0-0x50ff irq 18 at device 29.2 on pci0 usbus6 on uhci5 usbus6: 12Mbps Full Speed USB v1.0 ehci1: mem 0xfea1a000-0xfea1afff irq 19 at device 29.7 on pci0 usbus7: EHCI version 1.0 usbus7 on ehci1 usbus7: 480Mbps High Speed USB v2.0 pcib5: at device 30.0 on pci0 pci5: on pcib5 pcib6: mem 0xfe000000-0xfe0000ff irq 21 at device 1.0 on pci5 pci6: on pcib6 virtio_pci0: port 0x4000-0x401f mem 0xfde40000-0xfde40fff,0x381800000000-0x381800003fff irq 23 at device 18.0 on pci6 vtnet0: on virtio_pci0 vtnet0: Ethernet address: bc:24:11:2a:4f:f2 vtnet0: netmap queues/slots: TX 1/256, RX 1/512 000.000121 [ 452] vtnet_netmap_attach vtnet attached txq=1, txd=256 rxq=1, rxd=512 pcib7: mem 0xfe001000-0xfe0010ff irq 22 at device 2.0 on pci5 pci7: on pcib7 pcib8: mem 0xfe002000-0xfe0020ff irq 23 at device 3.0 on pci5 pci8: on pcib8 pcib9: mem 0xfe003000-0xfe0030ff irq 20 at device 4.0 on pci5 pci9: on pcib9 virtio_pci1: port 0x1000-0x103f mem 0xfd800000-0xfd800fff,0x380000000000-0x380000003fff irq 21 at device 1.0 on pci9 vtscsi0: on virtio_pci1 isab0: at device 31.0 on pci0 isa0: on isab0 ahci0: port 0x5100-0x511f mem 0xfea1b000-0xfea1bfff irq 16 at device 31.2 on pci0 ahci0: AHCI v1.00 with 6 1.5Gbps ports, Port Multiplier not supported ahcich0: at channel 0 on ahci0 ahcich1: at channel 1 on ahci0 ahcich2: at channel 2 on ahci0 ahcich3: at channel 3 on ahci0 ahcich4: at channel 4 on ahci0 ahcich5: at channel 5 on ahci0 acpi_syscontainer0: on acpi0 vmgenc0: on acpi0 acpi_syscontainer1: port 0xcd8-0xce3 on acpi0 acpi_syscontainer2: port 0x620-0x62f on acpi0 acpi_syscontainer3: port 0xcc0-0xcd7 on acpi0 uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 uart0: console (115200,n,8,1) atkbdc0: port 0x60,0x64 irq 1 on acpi0 atkbd0: irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] psm0: irq 12 on atkbdc0 psm0: [GIANT-LOCKED] WARNING: Device "psm" is Giant locked and may be deleted before FreeBSD 15.0. psm0: model IntelliMouse Explorer, device ID 4 orm0: at iomem 0xe7800-0xeffff pnpid ORM0000 on isa0 vga0: at port 0x3c0-0x3df iomem 0xa0000-0xbffff pnpid PNP0900 on isa0 attimer0: at port 0x40 on isa0 Timecounter "i8254" frequency 1193182 Hz quality 0 Event timer "i8254" frequency 1193182 Hz quality 100 attimer0: non-PNP ISA device will be removed from GENERIC in FreeBSD 15. Timecounters tick every 10.000 msec Trying to mount root from ufs:/dev/da0s1a [rw]... ugen6.1: at usbus6 ugen7.1: at usbus7 uhub0 on usbus6 uhub0: on usbus6 uhub1 on usbus7 uhub1: on usbus7 ugen3.1: at usbus3 ugen5.1: at usbus5 uhub2 on usbus3 uhub2: on usbus3 uhub3 on usbus5 uhub3: on usbus5 ugen4.1: at usbus4 ugen1.1: at usbus1 uhub4 on usbus4 uhub4: on usbus4 ugen2.1: at usbus2 uhub5 on usbus1 uhub6 on usbus2 uhub6: on usbus2 uhub5: on usbus1 ugen0.1: at usbus0 uhub7 on usbus0 uhub7: on usbus0 da0 at vtscsi0 bus 0 scbus0 target 0 lun 0 da0: Fixed Direct Access SPC-3 SCSI device da0: 300.000MB/s transfers da0: Command Queueing enabled da0: 16384MB (33554432 512 byte sectors) cd0 at ahcich1 bus 0 scbus2 target 0 lun 0 cd0: Removable CD-ROM SCSI device cd0: Serial Number QM00003 cd0: 150.000MB/s transfers (SATA 1.x, UDMA5, ATAPI 12bytes, PIO 8192bytes) cd0: Attempt to query device size failed: NOT READY, Medium not present uhub0: 2 ports with 2 removable, self powered uhub5: 2 ports with 2 removable, self powered uhub7: 2 ports with 2 removable, self powered uhub4: 2 ports with 2 removable, self powered uhub6: 2 ports with 2 removable, self powered uhub3: 2 ports with 2 removable, self powered Root mount waiting for: usbus3 usbus7 Root mount waiting for: usbus3 usbus7 uhub1: 6 ports with 6 removable, self powered uhub2: 6 ports with 6 removable, self powered WARNING: / was not properly dismounted Dual Console: Serial Primary, Video Secondary ichsmb0: port 0x700-0x73f irq 16 at device 31.3 on pci0 smbus0: on ichsmb0 lo0: link state changed to UP vtnet0: link state changed to UP nic_uio0: Bar 0 @ 383800000000, size 10000 nic_uio0: Bar 3 @ 383800010000, size 4000 nic_uio1: Bar 0 @ 383000000000, size 10000 nic_uio1: Bar 3 @ 383000010000, size 4000 nic_uio0: Bar 0 @ 383800000000, size 10000 nic_uio0: Bar 3 @ 383800010000, size 4000 nic_uio1: Bar 0 @ 383000000000, size 10000 nic_uio1: Bar 3 @ 383000010000, size 4000 Waiting (max 60 seconds) for system process `vnlru' to stop... done Waiting (max 60 seconds) for system process `syncer' to stop... Syncing disks, vnodes remaining... 2 0 0 done All buffers synced. Uptime: 28m16s uhub1: detached uhub0: detached uhub3: detached uhub4: detached uhub2: detached uhub6: detached uhub5: detached uhub7: detached ---<>--- Copyright (c) 1992-2023 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 14.3-RELEASE releng/14.3-n271432-8c9ce319fef7 GENERIC amd64 FreeBSD clang version 19.1.7 (https://github.com/llvm/llvm-project.git llvmorg-19.1.7-0-gcd708029e0b2) VT(vga): text 80x25 CPU: Intel(R) Xeon(R) CPU E5-2430 v2 @ 2.50GHz (2494.22-MHz K8-class CPU) Origin="GenuineIntel" Id=0x306e4 Family=0x6 Model=0x3e Stepping=4 Features=0xf83fbff Features2=0xffbaa223 AMD Features=0x2c100800 AMD Features2=0x1 Structured Extended Features=0x283 Structured Extended Features2=0x4 Structured Extended Features3=0xbc000400 XSAVE Features=0x1 IA32_ARCH_CAPS=0xc000048 AMD Extended Feature Extensions ID EBX=0x100d000 VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID,VID,PostIntr Hypervisor: Origin = "KVMKVMKVM" real memory = 8589934592 (8192 MB) avail memory = 8251035648 (7868 MB) Event timer "LAPIC" quality 600 ACPI APIC Table: FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs FreeBSD/SMP: 2 package(s) x 1 core(s) random: registering fast source Intel Secure Key RNG random: fast provider: "Intel Secure Key RNG" random: unblocking device. ioapic0 irqs 0-23 Launching APs: 1 random: entropy device external interface kbd1 at kbdmux0 nic_uio: hw.nic_uio.bdfs = '1:0:0,2:0:0' 0: virt=0xfffffe008ec00000 phys=0x140000000 1: virt=0xfffffe00cec00000 phys=0x180000000 2: virt=0xfffffe010ec00000 phys=0x1c0000000 3: virt=0xfffffe014ec00000 phys=0x200000000 vtvga0: kvmclock0: Timecounter "kvmclock" frequency 1000000000 Hz quality 975 kvmclock0: registered as a time-of-day clock, resolution 0.000001s smbios0: at iomem 0xf5200-0xf521e smbios0: Entry point: v2.1 (32-bit), Version: 2.8, BCD Revision: 2.8 aesni0: acpi0: acpi0: Power Button (fixed) cpu0: on acpi0 atrtc0: port 0x70-0x77 irq 8 on acpi0 atrtc0: registered as a time-of-day clock, resolution 1.000000s Event timer "RTC" frequency 32768 Hz quality 0 hpet0: iomem 0xfed00000-0xfed003ff on acpi0 Timecounter "HPET" frequency 100000000 Hz quality 950 Timecounter "ACPI-fast" frequency 3579545 Hz quality 900 acpi_timer0: <24-bit timer at 3.579545MHz> port 0x608-0x60b on acpi0 pcib0: port 0xcf8-0xcff on acpi0 pci0: on pcib0 vgapci0: mem 0xfc000000-0xfcffffff,0xfea14000-0xfea14fff at device 1.0 on pci0 vgapci0: Boot video device uhci0: port 0x5040-0x505f irq 16 at device 26.0 on pci0 usbus0 on uhci0 usbus0: 12Mbps Full Speed USB v1.0 uhci1: port 0x5060-0x507f irq 17 at device 26.1 on pci0 usbus1 on uhci1 usbus1: 12Mbps Full Speed USB v1.0 uhci2: port 0x5080-0x509f irq 18 at device 26.2 on pci0 usbus2 on uhci2 usbus2: 12Mbps Full Speed USB v1.0 ehci0: mem 0xfea15000-0xfea15fff irq 19 at device 26.7 on pci0 usbus3: EHCI version 1.0 usbus3 on ehci0 usbus3: 480Mbps High Speed USB v2.0 hdac0: mem 0xfea10000-0xfea13fff irq 16 at device 27.0 on pci0 pcib1: mem 0xfea16000-0xfea16fff irq 16 at device 28.0 on pci0 pci1: on pcib1 nic_uio_probe: probed dev=0xfffff80003a0f700 nic_uio0: mem 0x383800000000-0x38380000ffff,0x383800010000-0x383800013fff at device 0.0 on pci1 pcib2: mem 0xfea17000-0xfea17fff irq 16 at device 28.1 on pci0 pci2: on pcib2 nic_uio_probe: probed dev=0xfffff800037b0800 nic_uio1: mem 0x383000000000-0x38300000ffff,0x383000010000-0x383000013fff at device 0.0 on pci2 pcib3: mem 0xfea18000-0xfea18fff irq 16 at device 28.2 on pci0 pci3: on pcib3 pcib4: mem 0xfea19000-0xfea19fff irq 16 at device 28.3 on pci0 pci4: on pcib4 uhci3: port 0x50a0-0x50bf irq 16 at device 29.0 on pci0 usbus4 on uhci3 usbus4: 12Mbps Full Speed USB v1.0 uhci4: port 0x50c0-0x50df irq 17 at device 29.1 on pci0 usbus5 on uhci4 usbus5: 12Mbps Full Speed USB v1.0 uhci5: port 0x50e0-0x50ff irq 18 at device 29.2 on pci0 usbus6 on uhci5 usbus6: 12Mbps Full Speed USB v1.0 ehci1: mem 0xfea1a000-0xfea1afff irq 19 at device 29.7 on pci0 usbus7: EHCI version 1.0 usbus7 on ehci1 usbus7: 480Mbps High Speed USB v2.0 pcib5: at device 30.0 on pci0 pci5: on pcib5 pcib6: mem 0xfe000000-0xfe0000ff irq 21 at device 1.0 on pci5 pci6: on pcib6 virtio_pci0: port 0x4000-0x401f mem 0xfde40000-0xfde40fff,0x381800000000-0x381800003fff irq 23 at device 18.0 on pci6 vtnet0: on virtio_pci0 vtnet0: Ethernet address: bc:24:11:2a:4f:f2 vtnet0: netmap queues/slots: TX 1/256, RX 1/512 000.000121 [ 452] vtnet_netmap_attach vtnet attached txq=1, txd=256 rxq=1, rxd=512 pcib7: mem 0xfe001000-0xfe0010ff irq 22 at device 2.0 on pci5 pci7: on pcib7 pcib8: mem 0xfe002000-0xfe0020ff irq 23 at device 3.0 on pci5 pci8: on pcib8 pcib9: mem 0xfe003000-0xfe0030ff irq 20 at device 4.0 on pci5 pci9: on pcib9 virtio_pci1: port 0x1000-0x103f mem 0xfd800000-0xfd800fff,0x380000000000-0x380000003fff irq 21 at device 1.0 on pci9 vtscsi0: on virtio_pci1 isab0: at device 31.0 on pci0 isa0: on isab0 ahci0: port 0x5100-0x511f mem 0xfea1b000-0xfea1bfff irq 16 at device 31.2 on pci0 ahci0: AHCI v1.00 with 6 1.5Gbps ports, Port Multiplier not supported ahcich0: at channel 0 on ahci0 ahcich1: at channel 1 on ahci0 ahcich2: at channel 2 on ahci0 ahcich3: at channel 3 on ahci0 ahcich4: at channel 4 on ahci0 ahcich5: at channel 5 on ahci0 acpi_syscontainer0: on acpi0 vmgenc0: on acpi0 acpi_syscontainer1: port 0xcd8-0xce3 on acpi0 acpi_syscontainer2: port 0x620-0x62f on acpi0 acpi_syscontainer3: port 0xcc0-0xcd7 on acpi0 uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 uart0: console (115200,n,8,1) atkbdc0: port 0x60,0x64 irq 1 on acpi0 atkbd0: irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] psm0: irq 12 on atkbdc0 psm0: [GIANT-LOCKED] WARNING: Device "psm" is Giant locked and may be deleted before FreeBSD 15.0. psm0: model IntelliMouse Explorer, device ID 4 orm0: at iomem 0xe7800-0xeffff pnpid ORM0000 on isa0 vga0: at port 0x3c0-0x3df iomem 0xa0000-0xbffff pnpid PNP0900 on isa0 attimer0: at port 0x40 on isa0 Timecounter "i8254" frequency 1193182 Hz quality 0 Event timer "i8254" frequency 1193182 Hz quality 100 attimer0: non-PNP ISA device will be removed from GENERIC in FreeBSD 15. Timecounters tick every 10.000 msec Trying to mount root from ufs:/dev/da0s1a [rw]... ugen7.1: at usbus7 ugen6.1: at usbus6 uhub0 on usbus7 uhub1 on usbus6 uhub1: on usbus6 ugen4.1: at usbus4 uhub0: on usbus7 uhub2 on usbus4 uhub2: on usbus4 ugen5.1: at usbus5 ugen2.1: at usbus2 uhub3 on usbus5 uhub3: on usbus5 ugen3.1: at usbus3 uhub4 on usbus2 uhub5 on usbus3 uhub5: on usbus3 uhub4: on usbus2 ugen0.1: at usbus0 ugen1.1: at usbus1 uhub6 on usbus0 uhub7 on usbus1 uhub7: on usbus1 uhub6: on usbus0 da0 at vtscsi0 bus 0 scbus0 target 0 lun 0 da0: Fixed Direct Access SPC-3 SCSI device da0: 300.000MB/s transfers da0: Command Queueing enabled da0: 16384MB (33554432 512 byte sectors) cd0 at ahcich1 bus 0 scbus2 target 0 lun 0 cd0: Removable CD-ROM SCSI device cd0: Serial Number QM00003 cd0: 150.000MB/s transfers (SATA 1.x, UDMA5, ATAPI 12bytes, PIO 8192bytes) cd0: Attempt to query device size failed: NOT READY, Medium not present uhub6: 2 ports with 2 removable, self powered uhub1: 2 ports with 2 removable, self powered uhub7: 2 ports with 2 removable, self powered uhub2: 2 ports with 2 removable, self powered uhub3: 2 ports with 2 removable, self powered uhub4: 2 ports with 2 removable, self powered Root mount waiting for: usbus3 usbus7 Root mount waiting for: usbus3 usbus7 uhub0: 6 ports with 6 removable, self powered uhub5: 6 ports with 6 removable, self powered Dual Console: Serial Primary, Video Secondary ichsmb0: port 0x700-0x73f irq 16 at device 31.3 on pci0 smbus0: on ichsmb0 lo0: link state changed to UP vtnet0: link state changed to UP From nobody Sat Sep 27 15:14:59 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cYrbl4Xd7z68DvB for ; 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mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4cYrbl1XYnzg58 for ; Sat, 27 Sep 2025 15:14:59 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58RFEx2h072763 for ; Sat, 27 Sep 2025 15:14:59 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58RFEx0F072762 for net@FreeBSD.org; Sat, 27 Sep 2025 15:14:59 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 289545] No option to disable NOMAP leads to network down/up with em0 when starting bridge. Date: Sat, 27 Sep 2025 15:14:59 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.5-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289545 --- Comment #12 from commit-hook@FreeBSD.org --- A commit in branch stable/14 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D6a2eca1b38d762776676065d72518d30d= 1f1f348 commit 6a2eca1b38d762776676065d72518d30d1f1f348 Author: Zhenlei Huang AuthorDate: 2025-09-19 19:18:27 +0000 Commit: Zhenlei Huang CommitDate: 2025-09-27 15:11:40 +0000 ifconfig: Fix the display of the IFCAP_MEXTPG capability without netlink Historically this capability is IFCAP_NOMAP but it was renamed to IFCAP_MEXTPG. Catch up with the change 3f43ada98c89. PR: 289545 Fixes: 3f43ada98c89 Catch up with 6edfd179c86: mechanically re= name IFCAP_NOMAP to IFCAP_MEXTPG MFC after: 3 days (cherry picked from commit 5017fdb728811fd3e15d7151524378f49a49aee1) (cherry picked from commit 5f472754ba6f9cc95607956c6e2ad6483c9dd157) sbin/ifconfig/ifconfig.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Sat Sep 27 15:15:07 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cYrbw3SCLz68F15 for ; Sat, 27 Sep 2025 15:15:08 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cYrbv0rnFz462S for ; 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Sat, 27 Sep 2025 15:15:07 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58RFF634073088 for ; Sat, 27 Sep 2025 15:15:06 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58RFF6dr073087 for net@FreeBSD.org; Sat, 27 Sep 2025 15:15:06 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 285129] netinet(6)/route: uninitialized access of ifp->if_data in ip6_tryforward() with PPPoE/ng interface Date: Sat, 27 Sep 2025 15:15:07 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.2-STABLE X-Bugzilla-Keywords: vendor X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D285129 --- Comment #3 from commit-hook@FreeBSD.org --- A commit in branch stable/14 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3Ddc32441e3825a90027b61259c3c77ef6e= 213728a commit dc32441e3825a90027b61259c3c77ef6e213728a Author: Zhenlei Huang AuthorDate: 2025-09-03 19:16:40 +0000 Commit: Zhenlei Huang CommitDate: 2025-09-27 15:11:37 +0000 ifnet: Defer detaching address family dependent data While diagnosing PR 279653 and PR 285129, I observed that thread may write to freed memory but the system does not crash. This hides the real problem. A clear NULL pointer derefence is much better than writing to freed memory. PR: 279653 PR: 285129 Reviewed by: glebius MFC after: 3 weeks Differential Revision: https://reviews.freebsd.org/D49444 (cherry picked from commit b5c46895fdddcdb7dd1994598925d6989ea7c8f2) sys/net/if.c | 26 +++++++++++++++++++++----- sys/netinet/in.c | 2 ++ sys/netinet6/in6.c | 2 ++ 3 files changed, 25 insertions(+), 5 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Sat Sep 27 15:15:08 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cYrby3lbGz68Dh0 for ; Sat, 27 Sep 2025 15:15:10 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cYrbw6vvbz460C for ; Sat, 27 Sep 2025 15:15:08 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758986109; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=risV5sX84V26t3X0ySvTFCoGvyTK3tzJVu0XksjHy6E=; b=rbIboxX9NgO5oVJ6uxAbc1Op2YK1DaN5pVCYOPKU86XByT37Li5nyyBl5fWVTI8MvVZMX2 GImRwYYa5t0ZKPHsvdhZH1HWWNIAYhlIb9OjfrBrXmvXoA7e2DDasSSQ9W+7aYeFOVwYCA sRxHJr8O769vN26rGenie8hUvQ+8UHELVDMoYKEC81KxHJW3gkketR7FfqCDJ9uYu1RDDe 16zHv9NbXHB2zUPi3BaRAoA9Hi6uIITYNThNcWpNyN4cqR/5UGCoppUg9B+waLKRCvlNUN qJEWIV0WSRLvkOl5zXNuR8JhVyt6x7sQcuMM63z+A5GJ84IXaOyPiniQuKygZw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758986109; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=risV5sX84V26t3X0ySvTFCoGvyTK3tzJVu0XksjHy6E=; b=pdQ4sNTMZUY2XtsDs537LHhLZm8/b+HSAJIHgpVZrv8os1j55O68urqksWtZjiLbOiK1be omMApRTMJHFNEvESQwBhSt3xPcZKy6Y63dSGida2wGEc/pNC1AjufAiOltRlej7j02cxRy ksXVXP9mzXJm7zHesxWLX4YMFtZlyjLiRL8ttu/Hz4js+sjmKKRTAhfrOe8IUjmcYExN2A ol9hN0kur2OjsJ3XQrklhtvxCL3XfrHryh1p/CbM70cytzEzSPzxqgDF9jl43cFiuyB6n5 B4eXAZ7RhUnDprVQVtB+PIls1EahSECTfgNwgcFHOzB9Tjpo+q0e3wl+Z3b3jA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1758986109; a=rsa-sha256; cv=none; b=TfH3f3vtUGOFCmfNF+AbjKZItk0ebSYXuo1C9JNGwr286bdZmXZuAtxdxbTx+PEXJ3sc4c 6e+VSo72aSuIyJ6tbpEQdJiDdYVBv4U8C7LuQRxP4/NFh4K55CvkuecwX11cW4tWZBqwr6 AtIS/J/xzVJOunjwpqWotl8qbST1h8R43toAD+IPWdYhFGLsDxBUES1ZMVvO80IcLHiasu EKjpFRISxtUW7MlAUe/2n886N9USNSXzSjzbXajmL1Sco4UUSDydvg9BZJFQGKpNFXf19k K99o+XHOhK7kUkZjTlARrJhthMRZiYsxlnu1bM1Smyz9biAZe90QrYA2LWfeLg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4cYrbw6TTLzg7K for ; Sat, 27 Sep 2025 15:15:08 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58RFF8UL073169 for ; Sat, 27 Sep 2025 15:15:08 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58RFF8O4073168 for net@FreeBSD.org; Sat, 27 Sep 2025 15:15:08 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 279653] Page fault in in6_selecthlim Date: Sat, 27 Sep 2025 15:15:08 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.0-STABLE X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: needs_errata? X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D279653 --- Comment #19 from commit-hook@FreeBSD.org --- A commit in branch stable/14 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3Ddc32441e3825a90027b61259c3c77ef6e= 213728a commit dc32441e3825a90027b61259c3c77ef6e213728a Author: Zhenlei Huang AuthorDate: 2025-09-03 19:16:40 +0000 Commit: Zhenlei Huang CommitDate: 2025-09-27 15:11:37 +0000 ifnet: Defer detaching address family dependent data While diagnosing PR 279653 and PR 285129, I observed that thread may write to freed memory but the system does not crash. This hides the real problem. A clear NULL pointer derefence is much better than writing to freed memory. PR: 279653 PR: 285129 Reviewed by: glebius MFC after: 3 weeks Differential Revision: https://reviews.freebsd.org/D49444 (cherry picked from commit b5c46895fdddcdb7dd1994598925d6989ea7c8f2) sys/net/if.c | 26 +++++++++++++++++++++----- sys/netinet/in.c | 2 ++ sys/netinet6/in6.c | 2 ++ 3 files changed, 25 insertions(+), 5 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Sat Sep 27 16:26:54 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cYtC82jZcz68KmM; Sat, 27 Sep 2025 16:27:16 +0000 (UTC) (envelope-from lists@jnielsen.net) Received: from webmail5.jnielsen.net (webmail5.jnielsen.net [IPv6:2607:f170:34:11::b0]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mail.freebsdsolutions.net", Issuer "R13" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cYtC76K73z4NYt; Sat, 27 Sep 2025 16:27:15 +0000 (UTC) (envelope-from lists@jnielsen.net) Authentication-Results: mx1.freebsd.org; none Received: from smtpclient.apple ([IPv6:2607:fa18:e2fe:2d6a:c9d8:f1a0:f9f4:9c10]) (authenticated bits=0) by webmail5.jnielsen.net (8.18.1/8.18.1) with ESMTPSA id 58RGR46A069325 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sat, 27 Sep 2025 10:27:07 -0600 (MDT) (envelope-from lists@jnielsen.net) X-Authentication-Warning: webmail5.jnielsen.net: Host [IPv6:2607:fa18:e2fe:2d6a:c9d8:f1a0:f9f4:9c10] claimed to be smtpclient.apple From: John Nielsen Message-Id: Content-Type: multipart/alternative; boundary="Apple-Mail=_A1D93E43-CBCA-46A6-BFD8-7A29BE016627" List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.700.81\)) Subject: Re: Chelsio (cxgbe) VF on FreeBSD guest under KVM requires -rxcsum Date: Sat, 27 Sep 2025 10:26:54 -0600 In-Reply-To: Cc: net@freebsd.org, virtualization@freebsd.org, np@freebsd.org To: Michael Tuexen References: X-Mailer: Apple Mail (2.3826.700.81) X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 4cYtC76K73z4NYt --Apple-Mail=_A1D93E43-CBCA-46A6-BFD8-7A29BE016627 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On Sep 26, 2025, at 3:44=E2=80=AFPM, Michael Tuexen = wrote: >=20 >> On 26. Sep 2025, at 20:52, John Nielsen wrote: >>=20 >>> On Sep 26, 2025, at 1:46=E2=80=AFAM, Michael Tuexen = wrote: >>> =EF=BB=BF >>>>=20 >>>> On 26. Sep 2025, at 02:58, John Nielsen wrote: >>>>=20 >>>> Not sure if this is a known issue or even an issue on the FreeBSD = side but decided to ask here first. I=E2=80=99m happy to put in a bug = report if appropriate. >>>>=20 >>>> I have a hypervisor machine running Arch Linux with KVM, Qemu and = libvirtd. The machine has a Chelsio T520-CR adapter. I recently began = passing through virtual functions of the NIC to several of the guests I = run on the hypervisor. One of the guests runs Windows 11, and the change = was seamless. Two of the guests are running FreeBSD (14.3 or so). On = each of them the VFs were readily identified and configured (using DHCP = in one case), and ping and ARP appeared to work fine. However, TCP and = UDP traffic to the guests never received a response. After some = head-scratching and troubleshooting I discovered that running = =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D immediately allowed traffic to = flow as expected. >>>=20 >>> I don't have access to such a network card. Just to be clear: you = are running the =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D command inside = the guest running FreeBSD, right? >>=20 >> Yes. >>=20 >>> What is the peer, when you mention TCP and UDP do not work? Is it = the host running Linux? Is it another VM? Is it some external host? >>=20 >> My laptop on the same subnet primarily, but. Also tested from another = physical machine running FreeBSD. > OK. That does not seem to be related to what I initially thought. >=20 > Could you run > tcpdump -i outgoing_interface -w laptop.pcap > on your laptop and > tcpdump -i cxlv0 -w vm.pcap > on your vm at the same time and try to do some TCP based = communication. > Maybe two times, one time with ifconfig cxlv0 rxcsum and one time with = ifconfig cxlv0 -rxcsum. >=20 > If you are fine with doing the measurements, you can send the .pcap = files > to tuexen@freebsd.org = . >=20 > At least I would like to understand what is going on. Thank you, I sent you those packet captures under separate cover. =46rom what I can tell so far the VM does receive incoming packets even = when rxcsum is enabled, and the checksums appear correct at least = according to tcpdump. But something prevents the packets from being = processed or sent up the stack. The VM=E2=80=99s sshd never generates a = SYN/ACK in response to a connection attempt. A DNS query from the VM = looks like it gets a response on the wire but the response doesn=E2=80=99t= make it to the process doing the query. -John --Apple-Mail=_A1D93E43-CBCA-46A6-BFD8-7A29BE016627 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
On Sep 26, 2025, = at 3:44=E2=80=AFPM, Michael Tuexen = <michael.tuexen@lurchi.franken.de> wrote:

On 26. Sep 2025, at 20:52, John Nielsen = <lists@jnielsen.net> wrote:

On = Sep 26, 2025, at 1:46=E2=80=AFAM, Michael Tuexen = <michael.tuexen@lurchi.franken.de> wrote:
=EF=BB=BF

On 26. Sep 2025, at 02:58, John Nielsen = <lists@jnielsen.net> wrote:

Not sure if this is a known = issue or even an issue on the FreeBSD side but decided to ask here = first. I=E2=80=99m happy to put in a bug report if appropriate.

I = have a hypervisor machine running Arch Linux with KVM, Qemu and = libvirtd. The machine has a Chelsio T520-CR adapter. I recently began = passing through virtual functions of the NIC to several of the guests I = run on the hypervisor. One of the guests runs Windows 11, and the change = was seamless. Two of the guests are running FreeBSD (14.3 or so). On = each of them the VFs were readily identified and configured (using DHCP = in one case), and ping and ARP appeared to work fine. However, TCP and = UDP traffic to the guests never received a response. After some = head-scratching and troubleshooting I discovered that running = =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D immediately allowed traffic to = flow as expected.

I don't have access to such a = network card. Just to be clear: you are running the =E2=80=9Cifconfig = cxlv0 -rxcsum=E2=80=9D command inside the guest running FreeBSD, = right?

Yes.

What is = the peer, when you mention TCP and UDP do not work? Is it the host = running Linux? Is it another VM? Is it some external = host?

My laptop on the same subnet primarily, but. = Also tested from another physical machine running = FreeBSD.
OK. = That does not seem to be related to what I initially thought.

Could you run
tcpdump = -i outgoing_interface -w laptop.pcap
on your = laptop and
tcpdump -i cxlv0 -w = vm.pcap
on your vm at the same = time and try to do some TCP based communication.
Maybe two times, one time with ifconfig = cxlv0 rxcsum and one time with ifconfig cxlv0 -rxcsum.

If you are fine with doing the = measurements, you can send the .pcap files
to tuexen@freebsd.org <mailto:tuexen@freebsd.org>.

At = least I would like to understand what is going on.

Thank you, I sent you those = packet captures under separate cover.

=46rom = what I can tell so far the VM does receive incoming packets even when = rxcsum is enabled, and the checksums appear correct at least according = to tcpdump. But something prevents the packets from being processed or = sent up the stack. The VM=E2=80=99s sshd never generates a SYN/ACK in = response to a connection attempt. A DNS query from the VM looks like it = gets a response on the wire but the response doesn=E2=80=99t make it to = the process doing the = query.

-John

= --Apple-Mail=_A1D93E43-CBCA-46A6-BFD8-7A29BE016627-- From nobody Sat Sep 27 18:37:24 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cYx5b3l6hz68VnG; Sat, 27 Sep 2025 18:37:39 +0000 (UTC) (envelope-from michael.tuexen@lurchi.franken.de) Received: from drew.franken.de (mail-n.franken.de [193.175.24.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.franken.de", Issuer "Certum Domain Validation CA SHA2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cYx5b0b0pz3SBc; Sat, 27 Sep 2025 18:37:38 +0000 (UTC) (envelope-from michael.tuexen@lurchi.franken.de) Authentication-Results: mx1.freebsd.org; none Received: from smtpclient.apple (unknown [IPv6:2a02:8109:1101:be00:d8e4:fc6f:9ab0:98d3]) (Authenticated sender: lurchi) by drew.franken.de (Postfix) with ESMTPSA id 2C5A9721E280D; Sat, 27 Sep 2025 20:37:25 +0200 (CEST) Content-Type: text/plain; charset=utf-8 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.100.1.1.5\)) Subject: Re: Chelsio (cxgbe) VF on FreeBSD guest under KVM requires -rxcsum From: Michael Tuexen In-Reply-To: Date: Sat, 27 Sep 2025 20:37:24 +0200 Cc: net@freebsd.org, virtualization@freebsd.org, np@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <4855A0F6-DD05-42A1-9119-398DC4124FDF@lurchi.franken.de> References: To: John Nielsen X-Mailer: Apple Mail (2.3864.100.1.1.5) X-Spam-Status: No, score=-2.9 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=disabled version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on mail-n.franken.de X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 4cYx5b0b0pz3SBc > On 27. Sep 2025, at 18:26, John Nielsen wrote: >=20 >> On Sep 26, 2025, at 3:44=E2=80=AFPM, Michael Tuexen = wrote: >>=20 >>> On 26. Sep 2025, at 20:52, John Nielsen wrote: >>>=20 >>>> On Sep 26, 2025, at 1:46=E2=80=AFAM, Michael Tuexen = wrote: >>>> =EF=BB=BF >>>>>=20 >>>>> On 26. Sep 2025, at 02:58, John Nielsen = wrote: >>>>>=20 >>>>> Not sure if this is a known issue or even an issue on the FreeBSD = side but decided to ask here first. I=E2=80=99m happy to put in a bug = report if appropriate. >>>>>=20 >>>>> I have a hypervisor machine running Arch Linux with KVM, Qemu and = libvirtd. The machine has a Chelsio T520-CR adapter. I recently began = passing through virtual functions of the NIC to several of the guests I = run on the hypervisor. One of the guests runs Windows 11, and the change = was seamless. Two of the guests are running FreeBSD (14.3 or so). On = each of them the VFs were readily identified and configured (using DHCP = in one case), and ping and ARP appeared to work fine. However, TCP and = UDP traffic to the guests never received a response. After some = head-scratching and troubleshooting I discovered that running = =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D immediately allowed traffic to = flow as expected. >>>>=20 >>>> I don't have access to such a network card. Just to be clear: you = are running the =E2=80=9Cifconfig cxlv0 -rxcsum=E2=80=9D command inside = the guest running FreeBSD, right? >>>=20 >>> Yes. >>>=20 >>>> What is the peer, when you mention TCP and UDP do not work? Is it = the host running Linux? Is it another VM? Is it some external host? >>>=20 >>> My laptop on the same subnet primarily, but. Also tested from = another physical machine running FreeBSD. >> OK. That does not seem to be related to what I initially thought. >>=20 >> Could you run >> tcpdump -i outgoing_interface -w laptop.pcap >> on your laptop and >> tcpdump -i cxlv0 -w vm.pcap >> on your vm at the same time and try to do some TCP based = communication. >> Maybe two times, one time with ifconfig cxlv0 rxcsum and one time = with ifconfig cxlv0 -rxcsum. >>=20 >> If you are fine with doing the measurements, you can send the .pcap = files >> to tuexen@freebsd.org . >>=20 >> At least I would like to understand what is going on. >=20 > Thank you, I sent you those packet captures under separate cover. Thanks I got the email and sent a response.=20 >=20 > =46rom what I can tell so far the VM does receive incoming packets = even when rxcsum is enabled, and the checksums appear correct at least = according to tcpdump. But something prevents the packets from being = processed or sent up the stack. The VM=E2=80=99s sshd never generates a = SYN/ACK in response to a connection attempt. A DNS query from the VM = looks like it gets a response on the wire but the response doesn=E2=80=99t= make it to the process doing the query. Yes, I agree. For whatever reason the packets received, but are not = delivered to the transport stack. I would like to figure out where the packets are = dropped or stored and not processed further. I sent you some suggestions to try. I hope we can figure out where the = problem is related. In addition to what I suggested, you might want to provide the output of netstat -s from before and after running the experiment. Best regards Michael >=20 > -John >=20 From nobody Sun Sep 28 21:00:14 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cZcCg5Sk7z68Gkg for ; Sun, 28 Sep 2025 21:00:15 +0000 (UTC) (envelope-from bugzilla-noreply@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cZcCg0rxRz3F11 for ; Sun, 28 Sep 2025 21:00:15 +0000 (UTC) (envelope-from bugzilla-noreply@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1759093215; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=XnLPK88uwodgZqocaE9KpoSrN29v7R0ufzDNDEofFQI=; b=Nk+Ihga25e+YCI5IwlyCLvc+Pnm61pQEU8ymTBCKNg+N6On7BIckC6Ocwl5NNRBex9uLg4 InZCSAzskz2soA8pVa4ClHlerDk2yE0QI45vfZih9b+JsRbM3ETPIwuEzw0joXKnX+buEe Opz6sAxZqlnWwqae6UIqykhr/g47YPXtEejruMu7W0oqC+/ozAcLHefGRUGrcW0UX4u7Tz AVC+1N7pASrX2v/tWIzgW9lVSYT6UtC7oW0QAt7D3D/uG2GpxI1PytKTovCGmthVwl1wXR nGcnBNe7/BfuAAUCVMAzVfU+KD4IPR8WGho0Y5dOvOewOEfUARe1yTJUjJUKJg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1759093215; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=XnLPK88uwodgZqocaE9KpoSrN29v7R0ufzDNDEofFQI=; b=FXP5JTV+OU7dkT3JOY5RvGTZ159LaaO07V/QISlHNVBaGBtdIB0rgFmDRDlQVa3MEzn/kC JA6AKTNY/pff/k5UXsRCmIcz/comW2WdfijXUVNqIcyRZf5AGSSYvnNQL7aXF0R8SP0IoL 6xCYWhLV8iiJFmiPlacJKpyycgLeXryhk3BdKBFoAQGJYAznNWv8iQkikQAzH0MmHJzZo6 zzEngXc+XaUjHwm27hl9rhDZ8kYD45hd74koFarUeReHNixELqxe+HsY7SbPV3G/0hrhFI axaZHE9q6VOFv0Y8HjkOLwy2DJVkMLNaoo968wXaewgwvnm9C+nes5OMY4QCmg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1759093215; a=rsa-sha256; cv=none; b=YB6QsKwUIjRbX23F+Ja7BZYybOMkjM3kmmOSFWwChXOoogOjjhzE7o0KT+D0IbTMKTY2f9 m3SIzcfa8PQ3gqMgAdt0816u8GBXRbUdDoPspb8F52jiYLSp5dYCa6Pop2SoLlqdUSM5PK HbQsqcpuiBk95ZQppiBzbVfZrinN+dLbsuTdh6Er4ewhulRlg3Idot9EXCcfg7ffOji19U vLv86Z5ixnWM9OfwFWtLilRPHXxJA8drXUagy4oF+qocoi3hYmBUlEG+HqltBPmrZZD96a +f0XsU3tHezOsz5MuoIVEEpiM3u20IjijNhFHsNlZPH+C8NDp4GekzdAzo5Jnw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4cZcCg0GTszcZq for ; Sun, 28 Sep 2025 21:00:15 +0000 (UTC) (envelope-from bugzilla-noreply@FreeBSD.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 58SL0EpZ044557 for ; Sun, 28 Sep 2025 21:00:14 GMT (envelope-from bugzilla-noreply@FreeBSD.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58SL0ESq044555 for net@FreeBSD.org; Sun, 28 Sep 2025 21:00:14 GMT (envelope-from bugzilla-noreply@FreeBSD.org) Message-Id: <202509282100.58SL0ESq044555@kenobi.freebsd.org> X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@FreeBSD.org using -f From: bugzilla-noreply@FreeBSD.org To: net@FreeBSD.org Subject: Problem reports for net@FreeBSD.org that need special attention Date: Sun, 28 Sep 2025 21:00:14 +0000 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="17590932148.508A3.42141" Content-Transfer-Encoding: 7bit --17590932148.508A3.42141 Date: Sun, 28 Sep 2025 21:00:14 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" To view an individual PR, use: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=(Bug Id). The following is a listing of current problems submitted by FreeBSD users, which need special attention. These represent problem reports covering all versions including experimental development code and obsolete releases. Status | Bug Id | Description ------------+-----------+--------------------------------------------------- In Progress | 118111 | rc: network.subr Add MAC address based interface 1 problems total for which you should take action. --17590932148.508A3.42141 Date: Sun, 28 Sep 2025 21:00:14 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" 
The following is a listing of current problems submitted by FreeBSD users,
which need special attention. These represent problem reports covering
all versions including experimental development code and obsolete releases.

Status      |    Bug Id | Description
------------+-----------+---------------------------------------------------
In Progress |    118111 | rc: network.subr Add MAC address based interface 

1 problems total for which you should take action.
--17590932148.508A3.42141--