Date: Wed, 23 Apr 2008 18:09:18 +0400 From: Alexey Tarasov <me@lexasoft.ru> To: current@freebsd.org Subject: Kernel panic in 7-STABLE Message-ID: <6BBA0B04-166B-4813-B8C7-533EA9BE807C@lexasoft.ru>
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Hello.
I've got a kernel panic messages with my server. Here is KGDB output:
Fatal trap 12: page fault while in kernel mode
cpuid =3D 1; apic id =3D 01
fault virtual address =3D 0x30
fault code =3D supervisor read data, page not present
instruction pointer =3D 0x8:0xffffffff804c484f
stack pointer =3D 0x10:0xffffffffb07c0820
frame pointer =3D 0x10:0xffffff0003112350
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 588 (nfsd)
trap number =3D 12
panic: page fault
cpuid =3D 1
Uptime: 1m47s
Physical memory: 4083 MB
Dumping 423 MB: 408 392 376 360 344 328 312 296 280 264 248 232 216 =20
200 184 168 152 136 120 104 88 72 56 40 24 8
#0 doadump () at pcpu.h:194
194 __asm __volatile("movq %%gs:0,%0" : "=3Dr" (td));
(kgdb) bt
#0 doadump () at pcpu.h:194
#1 0x0000000000000004 in ?? ()
#2 0xffffffff8048e3c9 in boot (howto=3D260) at /usr/src/sys/kern/=20
kern_shutdown.c:418
#3 0xffffffff8048e7cd in panic (fmt=3D0x104 <Address 0x104 out of =20
bounds>) at /usr/src/sys/kern/kern_shutdown.c:572
#4 0xffffffff80757e94 in trap_fatal (frame=3D0xffffff0003112350, =20
eva=3D18446742974251362512) at /usr/src/sys/amd64/amd64/trap.c:724
#5 0xffffffff80758b0f in trap (frame=3D0xffffffffb07c0770) at /usr/src/=20=
sys/amd64/amd64/trap.c:251
#6 0xffffffff8073e69e in calltrap () at /usr/src/sys/amd64/amd64/=20
exception.S:169
#7 0xffffffff804c484f in turnstile_broadcast (ts=3D0x0, queue=3D0) at /=20=
usr/src/sys/kern/subr_turnstile.c:835
#8 0xffffffff8048204a in _mtx_unlock_sleep (m=3D0xffffffff80a7be00, =20
opts=3DVariable "opts" is not available.
) at /usr/src/sys/kern/kern_mutex.c:611
#9 0xffffffff8061f4f2 in nfsrv3_access (nfsd=3D0xffffff00039cfa00, =20
slp=3D0xffffff00037eb000, td=3D0xffffff0003112350, =
mrq=3D0xffffffffb07c0af0) =20
at /usr/src/sys/nfsserver/nfs_serv.c:253
#10 0xffffffff80630c5d in nfssvc (td=3DVariable "td" is not available.
) at /usr/src/sys/nfsserver/nfs_syscalls.c:461
#11 0xffffffff807584e7 in syscall (frame=3D0xffffffffb07c0c70) at /usr/=20=
src/sys/amd64/amd64/trap.c:852
#12 0xffffffff8073e8ab in Xfast_syscall () at /usr/src/sys/amd64/amd64/=20=
exception.S:290
#13 0x000000080068746c in ?? ()
Previous frame inner to this frame (corrupt stack?)
It is recent kernel of 7-STABLE.
--
Alexey Tarasov
(\__/)
(=3D'.'=3D)
E[: | | | | :]=D0=97
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