From nobody Wed Nov 1 03:52:11 2023 X-Original-To: bugs@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 4SKtP85tl3z4yfbb for ; Wed, 1 Nov 2023 03:52:12 +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 4SKtP807BRz4T7l for ; Wed, 1 Nov 2023 03:52:12 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1698810732; 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=HI7+/FrSZcafwsM6AeMyP85Au+SQvTGP1QBEEVJU6mE=; b=sSdhpvH+3duhIsJflV4ENdTVA9zg8ow3Z+3b19NCNBONEoWHWBbQJ71s/wXgQOV7v2oHld bbdqNr2ZiQQ+O3JtGvQoS5Xn8EgnPUrxt1u8HeJRgNSLNkkcPNEdDOQ31l/fNe3TCFuOMR GUx8sAL43SvJuWcn98F/aZbT2FcKeN3ZJQ//poSRULTNNM5CDcx5zCI5A+MGjMku2IffnN 1EG1+B8A6iAA+3k/V8hJWQpCJYogBANJ04n2bqt/kpF/QbzAVQ2h3+6q9GVKc5pc++p4X4 cDNEQlHZ7/BCKwik6WV8RnupMCB9nmRtWN+k1npchAUdw0Jp7qVHBk1neRtLzQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1698810732; a=rsa-sha256; cv=none; b=bgQi7fjCufj0qlYZEVTMKUZOLwg2DRTGT+wONzf4H/yE1p7DQS7n1k9uaUF7If6ry7q6Qm R1iTIQ0Mr/o5Wp4HQXKHdZQtcJ3M63HSI1tcR4vwWV2VTLhSP80opEVj7d465eQhmaWhYd bQfaVxphRDWw8kBTDK0aD0IRUoJbWpKWMW4sBoBb+f8SHaCyCoIMVilnZCqm9txh6OqE1V kJN2FWwRcA6WWDsMIX/DvTE6EbE/NsxKjW/KI+U5oinz/kdV4oV0S2+BozavE6OBDeLOjs 8kmuc/+BuhmJmJ1YbVce9Z6CvNTTorvRqJflGhrp2iRPmsU0nwFW9JLguSu5Mw== 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 4SKtP76KrWzXBK for ; Wed, 1 Nov 2023 03:52:11 +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 3A13qBcG059255 for ; Wed, 1 Nov 2023 03:52:11 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 3A13qBwg059254 for bugs@FreeBSD.org; Wed, 1 Nov 2023 03:52:11 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: bugs@FreeBSD.org Subject: [Bug 274840] devmatch kernel panic with 10 xn interfaces Date: Wed, 01 Nov 2023 03:52:11 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.0-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: andrew@netplex.net X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter attachments.created Message-ID: 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: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D274840 Bug ID: 274840 Summary: devmatch kernel panic with 10 xn interfaces Product: Base System Version: 14.0-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Many People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: andrew@netplex.net Created attachment 246037 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D246037&action= =3Dedit core.txt Running devmatch (at boot time or after boot) with 10 Xen "xn" interfaces causes a kernel panic crash. With fewer interfaces it does not crash. Adding many interfaces with the system on-line (not running devmatch) does not cra= sh. Tested and effects 13.2-p4 and 14.0-RC3. This also cause problems with FreeBSD based apps like OPNsense and PFsense. Running on XCP 8.2.1 (Xen). Running FreeBSD amd64 GENERIC kernel ``` FreeBSD 14.0-RC3 FreeBSD 14.0-RC3 #0 releng/14.0-n265368-c6cfdc130554: Fri= Oct 27 05:57:28 UTC 2023=20=20=20=20 root@releng1.nyi.freebsd.org:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 panic: page fault Reading symbols from /boot/kernel/kernel... Reading symbols from /usr/lib/debug//boot/kernel/kernel.debug... Unread portion of the kernel message buffer: Fatal trap 12: page fault while in kernel mode cpuid =3D 0; apic id =3D 00 fault virtual address =3D 0x0 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff81008a64 stack pointer =3D 0x28:0xfffffe0076295b30 frame pointer =3D 0x28:0xfffffe0076295b30 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 3078 (devmatch) rdi: 0000000000000000 rsi: 0000000000000000 rdx: 0000000000000018 rcx: 0000000000000000 r8: fefefefefefefeff r9: 8080808080808080 rax: fffff80006f99000 rbx: 0000000000000000 rbp: fffffe0076295b30 r10: 0000000000000000 r11: df9290bcccff8d9a r12: 0000000000000002 r13: 0000000000000002 r14: fffffe0076295b68 r15: fffff8007419c000 trap number =3D 12 panic: page fault cpuid =3D 0 time =3D 1698809363 KDB: stack backtrace: #0 0xffffffff80b9002d at kdb_backtrace+0x5d #1 0xffffffff80b43132 at vpanic+0x132 #2 0xffffffff80b42ff3 at panic+0x43 #3 0xffffffff8100c85c at trap_fatal+0x40c #4 0xffffffff8100c8af at trap_pfault+0x4f #5 0xffffffff80fe3818 at calltrap+0x8 #6 0xffffffff80b9c515 at sbuf_cat+0x15 #7 0xffffffff80b83d55 at sysctl_devices+0x125 #8 0xffffffff80b54910 at sysctl_root_handler_locked+0x90 #9 0xffffffff80b53d41 at sysctl_root+0x241 #10 0xffffffff80b543c6 at userland_sysctl+0x176 #11 0xffffffff80b5420c at sys___sysctl+0x5c #12 0xffffffff8100d119 at amd64_syscall+0x109 #13 0xffffffff80fe412b at fast_syscall_common+0xf8 Uptime: 2m6s Dumping 268 out of 4059=20 ``` --=20 You are receiving this mail because: You are the assignee for the bug.=