misc/182141: Very frequent (at most 3 hours) kernel trap 12
Berend de Boer
berend at pobox.com
Mon Sep 23 05:00:02 UTC 2013
The following reply was made to PR misc/182141; it has been noted by GNATS.
From: Berend de Boer <berend at pobox.com>
To: bug-followup at FreeBSD.org, berend at pobox.com
Cc:
Subject: Re: misc/182141: Very frequent (at most 3 hours) kernel trap 12
Date: Mon, 23 Sep 2013 16:56:09 +1200
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Have enabled:
options INVARIANTS
options INVARIANT_SUPPORT
options WITNESS
options DEBUG_MEMGUARD
log dump is now:
Sep 23 16:48:15 bmach syslogd: kernel boot file is /boot/kernel/kernel
Sep 23 16:48:15 bmach kernel: Kernel page fault with the following
non-sleepable locks held:
Sep 23 16:48:15 bmach kernel: exclusive sleep mutex pf task mtx (pf task
mtx) r =3D 0 (0xffffffff8190b7c0) locked @
/usr/src/9.1/sys/modules/pf/../../contrib/pf/net/pf.c:6621
Sep 23 16:48:15 bmach kernel: shared rm PFil hook read/write mutex (PFil
hook read/write mutex) r =3D 0 (0xffffffff81419ee8) locked @
/usr/src/9.1/sys/net/pfil.c:77
Sep 23 16:48:15 bmach kernel: shared rw udpinp (udpinp) r =3D 0
(0xfffffe008122d168) locked @ /usr/src/9.1/sys/netinet/udp_usrreq.c:975
Sep 23 16:48:15 bmach kernel: KDB: stack backtrace:
Sep 23 16:48:15 bmach kernel: #0 0xffffffff8090d386 at kdb_backtrace+0x66=
Sep 23 16:48:15 bmach kernel: #1 0xffffffff8092141e at
_witness_debugger+0x2e
Sep 23 16:48:15 bmach kernel: #2 0xffffffff80922206 at witness_warn+0x2c6=
Sep 23 16:48:15 bmach kernel: #3 0xffffffff80bba27a at trap_pfault+0x6a
Sep 23 16:48:15 bmach kernel: #4 0xffffffff80bbaa10 at trap+0x440
Sep 23 16:48:15 bmach kernel: #5 0xffffffff80ba4cdf at calltrap+0x8
Sep 23 16:48:15 bmach kernel: #6 0xffffffff818ec11f at pf_test_rule+0xf2f=
Sep 23 16:48:15 bmach kernel: #7 0xffffffff818ef944 at pf_test+0xe74
Sep 23 16:48:15 bmach kernel: #8 0xffffffff818f76f1 at pf_check_out+0x41
Sep 23 16:48:15 bmach kernel: #9 0xffffffff8099b802 at pfil_run_hooks+0xd=
2
Sep 23 16:48:15 bmach kernel: #10 0xffffffff809f340f at ip_output+0x55f
Sep 23 16:48:15 bmach kernel: #11 0xffffffff80a6c4c5 at udp_send+0x4d5
Sep 23 16:48:15 bmach kernel: #12 0xffffffff80945a0e at sosend_dgram+0x21=
e
Sep 23 16:48:15 bmach kernel: #13 0xffffffff8094cd44 at kern_sendit+0x1b4=
Sep 23 16:48:15 bmach kernel: #14 0xffffffff8094cfac at sendit+0xdc
Sep 23 16:48:15 bmach kernel: #15 0xffffffff8094d037 at sys_sendmsg+0x87
Sep 23 16:48:15 bmach kernel: #16 0xffffffff80bb979a at amd64_syscall+0x2=
fa
Sep 23 16:48:15 bmach kernel: #17 0xffffffff80ba4fc7 at Xfast_syscall+0xf=
7
Sep 23 16:48:15 bmach kernel:
Sep 23 16:48:15 bmach kernel:
Sep 23 16:48:15 bmach kernel: Fatal trap 12: page fault while in kernel m=
ode
Sep 23 16:48:15 bmach kernel: cpuid =3D 0; apic id =3D 00
Sep 23 16:48:15 bmach kernel: fault virtual address =3D 0x10
Sep 23 16:48:15 bmach kernel: fault code =3D supervisor read data, page
not present
Sep 23 16:48:15 bmach kernel: instruction pointer =3D 0x20:0xffffffff818e=
1888
Sep 23 16:48:15 bmach kernel: stack pointer =3D
0x28:0xffffff82fc485370
Sep 23 16:48:15 bmach kernel: frame pointer =3D
0x28:0xffffff82fc485380
Sep 23 16:48:15 bmach kernel: code segment =3D base 0x0, limit 0xfffff,
type 0x1b
Sep 23 16:48:15 bmach kernel: =3D DPL 0, pres 1, long 1, def32 0, gran 1
Sep 23 16:48:15 bmach kernel: processor eflags =3D interrupt enabled,
resume, IOPL =3D 0
Sep 23 16:48:15 bmach kernel: current process =3D 2199 (named)
Sep 23 16:48:15 bmach kernel: trap number =3D 12
Sep 23 16:48:15 bmach kernel: panic: page fault
Sep 23 16:48:15 bmach kernel: cpuid =3D 0
Sep 23 16:48:15 bmach kernel: KDB: stack backtrace:
Sep 23 16:48:15 bmach kernel: #0 0xffffffff8090d386 at kdb_backtrace+0x66=
Sep 23 16:48:15 bmach kernel: #1 0xffffffff808d6e68 at panic+0x1d8
Sep 23 16:48:15 bmach kernel: #2 0xffffffff80bba0c0 at trap_fatal+0x290
Sep 23 16:48:15 bmach kernel: #3 0xffffffff80bba28a at trap_pfault+0x7a
Sep 23 16:48:15 bmach kernel: #4 0xffffffff80bbaa10 at trap+0x440
Sep 23 16:48:15 bmach kernel: #5 0xffffffff80ba4cdf at calltrap+0x8
Sep 23 16:48:15 bmach kernel: #6 0xffffffff818ec11f at pf_test_rule+0xf2f=
Sep 23 16:48:15 bmach kernel: #7 0xffffffff818ef944 at pf_test+0xe74
Sep 23 16:48:15 bmach kernel: #8 0xffffffff818f76f1 at pf_check_out+0x41
Sep 23 16:48:15 bmach kernel: #9 0xffffffff8099b802 at pfil_run_hooks+0xd=
2
Sep 23 16:48:15 bmach kernel: #10 0xffffffff809f340f at ip_output+0x55f
Sep 23 16:48:15 bmach kernel: #11 0xffffffff80a6c4c5 at udp_send+0x4d5
Sep 23 16:48:15 bmach kernel: #12 0xffffffff80945a0e at sosend_dgram+0x21=
e
Sep 23 16:48:15 bmach kernel: #13 0xffffffff8094cd44 at kern_sendit+0x1b4=
Sep 23 16:48:15 bmach kernel: #14 0xffffffff8094cfac at sendit+0xdc
Sep 23 16:48:15 bmach kernel: #15 0xffffffff8094d037 at sys_sendmsg+0x87
Sep 23 16:48:15 bmach kernel: #16 0xffffffff80bb979a at amd64_syscall+0x2=
fa
Sep 23 16:48:15 bmach kernel: #17 0xffffffff80ba4fc7 at Xfast_syscall+0xf=
7
Sep 23 16:48:15 bmach kernel: Uptime: 5h21m4s
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