From nobody Sat Jun 11 21:34:40 2022 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 05CA98520F0 for ; Sat, 11 Jun 2022 21:34:42 +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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4LLB1Y63Dcz3GHD for ; Sat, 11 Jun 2022 21:34:41 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) 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 ACEBB14C2A for ; Sat, 11 Jun 2022 21:34:41 +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 25BLYfAM054881 for ; Sat, 11 Jun 2022 21:34:41 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 25BLYfoA054880 for net@FreeBSD.org; Sat, 11 Jun 2022 21:34:41 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 264257] [tcp] Panic: Fatal trap 12: page fault while in kernel mode (if_io_tqg_4) - m_copydata ... at /usr/src/sys/kern/uipc_mbuf.c:659 Date: Sat, 11 Jun 2022 21:34:40 +0000 X-Bugzilla-Reason: AssignedTo CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.1-RELEASE X-Bugzilla-Keywords: crash, needs-qa X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: rscheff@freebsd.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? maintainer-feedback? maintainer-feedback- maintainer-feedback? mfc-stable13? X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1654983281; 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=2KFXkJmhwdn3gpSqMQPhBQZoMZJMG/2fcBKfL88tzXk=; b=F8758mb2917uJSb32JTJyq7wnjY0cSS5hECbbFL8BX765qtrPqlMRLW0khgSdFpm4tlwWN XHPfgRkf4kS5GXghblAG/BFHZERfV2CbAYHd3LG8uFdDCe5A1s6+TpjTNbCP2byhv/befr qm714Lp59LOgv2seFY2fZo2a0LPPu9V640RjJR2i5O3y4PeYpScVPp4xjx13coZDC3wmy3 c17r7mrKrLv1ImgTfYphizvzwY6/onV6dHmCntiTEuOeB0ccM+6uonD8+5fpcLFrF/895v QLGWucCIfqSa8yjWSZs/CPDUQ5SDYoGMpzlr1uWOd+NEButh92cA1cNWXXdrZw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1654983281; a=rsa-sha256; cv=none; b=cAaL7t/RPDaLhtlOuFl2TmtDG/JZF9mfsu9N0ByQIwQoN8KfkQCQbLg6a7tM2BmPu1Cilt YshKnq+Ihl2qQXv16y6D2Zy07UdlR5TBYotJbJliSSTEpHpSCeV5s3IeKvigDygmZnoZNF 4YVgXKJ51vQn8o60H+l+x/Hju+fPZa4GT6o2WnTuVz9kXwq9otO8hFq35f09GFdV8C5Q9R qadsDa7Rm2/FDnB9scvpkLaldlWb99UuQ3WVrY5WrtZq8mEW6HHwVjFQTpTeSmLl+uesyd 95/PGv7QjzxdZdOQu5ZHifibgfgPZ2IpZI5bsMotATljnU35x0DkFo4e3CYNnA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D264257 --- Comment #37 from Richard Scheffenegger --- Can you provide the vmcore (and kernel.debug) files? Or check=20 f 10 p *tp p *tp->sackhint.nexthole p tp->snd_una + tp->t_inpcb->inp_socket->so_snd.sb_ccc p/x tp->t_flags p/x tp->t_flags2 p *tp->t_timers So far, this seems to be the signature: t_state =3D=3D 8 (LAST_ACK) snd_max =3D=3D snd_una + so_snd.sb_ccc + 2 (! should be one to account for = the FIN) snd_fack < sackhole.end (rescue retransmission - this is new in fbsd13) t_rxtshift =3D=3D 6..12 (many retransmission timeouts, indicating the client disappeared - temporarily) t_rtseq =3D=3D snd_una + so_snd.sb_ccc snd_recover =3D=3D snd_max (indicating the double-accounting for FIN happen= d prior of entering loss recovery, or "many" packets prior of the actual panic) t_flags =3D 0x20100274 (TF_CONGRECOVERY, TF_FASTRECOVERY, TF_SACK_PERMIT, TF_SENTFIN, TF_REQ_SCALE, TF_RCVD_SCALE, TF_NODELAY, TF_ACKNOW) --=20 You are receiving this mail because: You are the assignee for the bug. You are on the CC list for the bug.=