Date: Mon, 16 Sep 2013 06:12:41 GMT From: Berend de Ber <berend@pobox.com> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/182141: Very frequent (at most 3 hours) kernel trap 12 Message-ID: <201309160612.r8G6CfMZ006649@oldred.freebsd.org> Resent-Message-ID: <201309160620.r8G6K0Rr018511@freefall.freebsd.org>
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>Number: 182141
>Category: misc
>Synopsis: Very frequent (at most 3 hours) kernel trap 12
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Sep 16 06:20:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: Berend de Ber
>Release: FreeBSD 9.2-PRELEASE
>Organization:
Xplain Hosting
>Environment:
FreeBSD bmach.nederware.nl 9.2-PRERELEASE FreeBSD 9.2-PRERELEASE #25: Mon Sep 16 15:55:10 NZST 2013 root@bmach.nederware.nl:/usr/obj/usr/src/sys/BMACH i386
>Description:
Sep 16 17:26:24 bmach kernel: Fatal trap 12: page fault while in kernel mode
Sep 16 17:26:24 bmach kernel: cpuid = 0; apic id = 00
Sep 16 17:26:24 bmach kernel: fault virtual address = 0x10
Sep 16 17:26:24 bmach kernel: fault code = supervisor read, page not present
Sep 16 17:26:24 bmach kernel: instruction pointer = 0x20:0xc05343be
Sep 16 17:26:24 bmach kernel: stack pointer = 0x28:0xf0764798
Sep 16 17:26:24 bmach kernel: frame pointer = 0x28:0xf0764798
Sep 16 17:26:24 bmach kernel: stack pointer = 0x28:0xf0764798
Sep 16 17:26:24 bmach kernel: frame pointer = 0x28:0xf0764798
Sep 16 17:26:24 bmach kernel: code segment = base 0x0, limit 0xfffff, type 0x1b
Sep 16 17:26:24 bmach kernel: = DPL 0, pres 1, def32 1, gran 1
Sep 16 17:26:24 bmach kernel: processor eflags = interrupt enabled, resume, IOPL = 0
Sep 16 17:26:24 bmach kernel: current process = 2330 (named)
Sep 16 17:26:24 bmach kernel: trap number = 12
Sep 16 17:26:24 bmach kernel: panic: page fault
Sep 16 17:26:24 bmach kernel: cpuid = 0
Sep 16 17:26:24 bmach kernel: KDB: stack backtrace:
Sep 16 17:26:24 bmach kernel: #0 0xc0b27b78 at kdb_backtrace+0x4b
Sep 16 17:26:24 bmach kernel: #1 0xc0af0b39 at panic+0x16f
Sep 16 17:26:24 bmach kernel: #2 0xc0f8cb62 at trap_fatal+0x324
Sep 16 17:26:24 bmach kernel: #3 0xc0f8cc47 at trap_pfault+0xd9
Sep 16 17:26:24 bmach kernel: #4 0xc0f8dfa9 at trap+0x571
Sep 16 17:26:24 bmach kernel: #5 0xc0f77c8c at calltrap+0x6
Sep 16 17:26:24 bmach kernel: #6 0xc053f9ab at pf_test_rule+0x1be5
Sep 16 17:26:24 bmach kernel: #7 0xc054212a at pf_test+0x84d
Sep 16 17:26:24 bmach kernel: #8 0xc0547fa8 at pf_check_out+0x5c
Sep 16 17:26:24 bmach kernel: #9 0xc0bb8e84 at pfil_run_hooks+0x74
Sep 16 17:26:24 bmach kernel: #10 0xc0c1caba at ip_output+0x85d
ep 16 17:26:24 bmach kernel: #9 0xc0bb8e84 at pfil_run_hooks+0x74
Sep 16 17:26:24 bmach kernel: #10 0xc0c1caba at ip_output+0x85d
Sep 16 17:26:24 bmach kernel: #11 0xc0c9df13 at udp_send+0x93c
Sep 16 17:26:24 bmach kernel: #12 0xc0b5bb39 at sosend_dgram+0x467
Sep 16 17:26:24 bmach kernel: #13 0xc0b57157 at sosend+0x3f
Sep 16 17:26:24 bmach kernel: #14 0xc0b5e7c3 at kern_sendit+0x1ca
Sep 16 17:26:24 bmach kernel: #15 0xc0b5e9e1 at sendit+0xad
Sep 16 17:26:24 bmach kernel: #16 0xc0b5ea6f at sys_sendmsg+0x6b
Sep 16 17:26:24 bmach kernel: #17 0xc0f8d41c at syscall+0x446
Sep 16 17:26:24 bmach kernel: Uptime: 56m23s
>How-To-Repeat:
Custom kernel, but this is basically GENERIC + some extras like IPFW/PF.
Happens very frequently.
Server did run FreeBSD 8.2-STABLE before without much problems.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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