Date: Sat, 06 Jan 2007 03:19:47 -0400 From: "Marc G. Fournier" <scrappy@freebsd.org> To: freebsd-stable@freebsd.org Subject: Fatal trap 12: page fault while in kernel mode Message-ID: <8FF1D577DF1087259D6F71E0@ganymede.hub.org>
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Just had the following happen on a FreeBSD 6.2-PRERELEASE #7: Sun Dec 17=20
01:28:52 AST 2006 system ... amd64, HP Proliant, 6G of RAM ... have core if=20
there is information that I can provide out of it ...
Fatal trap 12: page fault while in kernel mode
cpuid =3D 0; apic id =3D 00
fault virtual address =3D 0x18c
fault code =3D supervisor read, page not present
instruction pointer =3D 0x8:0xffffffff801f9053
stack pointer =3D 0x10:0xffffffffb5c78b30
frame pointer =3D 0x10:0xffffffffb5c78b60
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D resume, IOPL =3D 0
current process =3D 5 (thread taskq)
trap number =3D 12
panic: page fault
cpuid =3D 0
Uptime: 8d22h25m40s
(kgdb) where
#0 doadump () at pcpu.h:172
#1 0xffffffff80203955 in boot (howto=3D260) at=20
/usr/src/sys/kern/kern_shutdown.c:409
#2 0xffffffff80204065 in panic (fmt=3D0xffffff019b667720=20
"X\223f\233\001=C3=BF=C3=BF=C3=BF\020=C2=B5c\233\001=C3=BF=C3=BF=C3=BF") at=20
/usr/src/sys/kern/kern_shutdown.c:565
#3 0xffffffff803287a6 in trap_fatal (frame=3D0xc, eva=3D18446742981100074784) =
at=20
/usr/src/sys/amd64/amd64/trap.c:660
#4 0xffffffff80328cd8 in trap (frame=3D
{tf_rdi =3D 112, tf_rsi =3D -1092609476832, tf_rdx =3D 6, tf_rcx =3D =
3221225730,=20
tf_r8 =3D -1245213424, tf_r9 =3D -1092609476832, tf_rax =3D 1, tf_rbx =3D=20
- -1096874331952, tf_rbp =3D -1245213856, tf_r10 =3D -2142258536, tf_r11 =3D 0, =
tf_r12=20
=3D 4, tf_r13 =3D -1092609476832, tf_r14 =3D 4, tf_r15 =3D 1, tf_trapno =3D 12, =
tf_addr =3D=20
396, tf_flags =3D -2145197496, tf_err =3D 0, tf_rip =3D -2145415085, tf_cs =3D =
8,=20
tf_rflags =3D 65538, tf_rsp =3D -1245213888, tf_ss =3D 16}) at=20
/usr/src/sys/amd64/amd64/trap.c:238
#5 0xffffffff80313c6b in calltrap () at=20
/usr/src/sys/amd64/amd64/exception.S:168
#6 0xffffffff801f9053 in _mtx_lock_sleep (m=3D0xffffff009d31f0d0,=20
tid=3D18446742981100074784, opts=3D6, file=3D0xc0000102 <Address 0xc0000102 out =
of=20
bounds>, line=3D-1245213424) at /usr/src/sys/kern/kern_mutex.c:546
#7 0xffffffff8025b1ac in unp_gc (arg=3D0x70, pending=3D-1687783648) at=20
/usr/src/sys/kern/uipc_usrreq.c:1714
#8 0xffffffff8022c314 in taskqueue_run (queue=3D0xffffff0000844800) at=20
/usr/src/sys/kern/subr_taskqueue.c:257
#9 0xffffffff8022d0e7 in taskqueue_thread_loop (arg=3D0x70) at=20
/usr/src/sys/kern/subr_taskqueue.c:376
#10 0xffffffff801e7b76 in fork_exit (callout=3D0xffffffff8022d060=20
<taskqueue_thread_loop>, arg=3D0xffffffff805030d0, frame=3D0xffffffffb5c78c50) =
at=20
/usr/src/sys/kern/kern_fork.c:821
#11 0xffffffff80313fce in fork_trampoline () at=20
/usr/src/sys/amd64/amd64/exception.S:394
#12 0x0000000000000000 in ?? ()
#13 0x0000000000000000 in ?? ()
#14 0x0000000000000001 in ?? ()
#15 0x0000000000000000 in ?? ()
#16 0x0000000000000000 in ?? ()
#17 0x0000000000000000 in ?? ()
#18 0x0000000000000000 in ?? ()
#19 0x0000000000000000 in ?? ()
#20 0x0000000000000000 in ?? ()
#21 0x0000000000000000 in ?? ()
#22 0x0000000000000000 in ?? ()
#23 0x0000000000000000 in ?? ()
#24 0x0000000000000000 in ?? ()
#25 0x0000000000000000 in ?? ()
#26 0x0000000000000000 in ?? ()
#27 0x0000000000000000 in ?? ()
#28 0x0000000000000000 in ?? ()
#29 0x0000000000000000 in ?? ()
#30 0x0000000000000000 in ?? ()
#31 0x0000000000000000 in ?? ()
#32 0x0000000000000000 in ?? ()
#33 0x0000000000000000 in ?? ()
#34 0x0000000000000000 in ?? ()
#35 0x0000000000000000 in ?? ()
#36 0x0000000000000000 in ?? ()
#37 0x0000000000000000 in ?? ()
#38 0x0000000000000000 in ?? ()
#39 0x0000000000000000 in ?? ()
#40 0x0000000000000000 in ?? ()
#41 0x0000000000000000 in ?? ()
#42 0x0000000000000000 in ?? ()
#43 0x0000000000000000 in ?? ()
#44 0x00000000006bc000 in ?? ()
#45 0xffffffff805054c0 in turnstile_chains ()
#46 0x0000000000000001 in ?? ()
#47 0xffffff019b669358 in ?? ()
#48 0xffffff008d5bc720 in ?? ()
#49 0xffffffffb5c78aa0 in ?? ()
#50 0xffffffffb5c78a78 in ?? ()
#51 0xffffff019b667720 in ?? ()
#52 0xffffffff8021a69f in sched_switch (td=3D0xffffffff805030d0,=20
newtd=3D0xffffffff8022d060, flags=3D0) at /usr/src/sys/kern/sched_4bsd.c:973
Previous frame inner to this frame (corrupt stack?)
- ----
Marc G. Fournier Hub.Org Networking Services (http://www.hub.org)
Email . scrappy@hub.org MSN . scrappy@hub.org
Yahoo . yscrappy Skype: hub.org ICQ . 7615664
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