Panic in 5.2.1-RC2 during shutdown

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Hi,

As I was shutting it down this afternon, by box paniced:. Is this any use to 
anyone?

Modules, kernal and userlaand all in sync AFAIK.


Mark

FreeBSD lizacnet.demon.co.uk 5.2.1-RC2 FreeBSD 5.2.1-RC2 #24: Sat Feb 14 
18:08:05 GMT 2004     mark_at_lizacnet.demon.co.uk:/usr/obj/usr/src/sys/MARKS  
i386



lizacnet# gdb -k /usr/obj/usr/src/sys/MARKS/kernel.debug /usr/crash/vmcore.10
GNU gdb 5.2.1 (FreeBSD)
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-unknown-freebsd"...
panic: page fault
panic messages:
- ---
Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x0
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0x0
stack pointer           = 0x10:0xd3879cb4
frame pointer           = 0x10:0xd3879d04
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 3 (g_up)
trap number             = 12
panic: page fault
Uptime: 6h38m27s
Dumping 383 MB
 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304 320 336 
352 368
- ---
Reading symbols from /boot/kernel/snd_emu10k1.ko...done.
Loaded symbols for /boot/kernel/snd_emu10k1.ko
Reading symbols from /boot/kernel/snd_pcm.ko...done.
Loaded symbols for /boot/kernel/snd_pcm.ko
Reading symbols from /boot/kernel/bktr.ko...done.
Loaded symbols for /boot/kernel/bktr.ko
Reading symbols from /boot/kernel/bktr_mem.ko...done.
Loaded symbols for /boot/kernel/bktr_mem.ko
Reading symbols from /boot/kernel/iicbus.ko...done.
Loaded symbols for /boot/kernel/iicbus.ko
Reading symbols from /boot/kernel/iicbb.ko...done.
Loaded symbols for /boot/kernel/iicbb.ko
Reading symbols from /boot/kernel/smbus.ko...done.
Loaded symbols for /boot/kernel/smbus.ko
Reading symbols from /boot/kernel/if_ath.ko...done.
Loaded symbols for /boot/kernel/if_ath.ko
Reading symbols 
from /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/ath_hal/ath_hal.ko.debug...done.
Loaded symbols 
for /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/ath_hal/ath_hal.ko.debug
Reading symbols 
from /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/acpi/acpi.ko.debug...done.
Loaded symbols 
for /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/acpi/acpi.ko.debug
Reading symbols 
from /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/ntfs/ntfs.ko.debug...done.
Loaded symbols 
for /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/ntfs/ntfs.ko.debug
Reading symbols 
from /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/lin---Type 
<return> to continue, or q <return> to quit---
procfs/linprocfs.ko.debug...done.
Loaded symbols 
for /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/linprocfs/linprocfs.ko.debug
Reading symbols 
from /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/pseudofs/pseudofs.ko.debug...done.
Loaded symbols 
for /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/pseudofs/pseudofs.ko.debug
Reading symbols 
from /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/linux/linux.ko.debug...done.
Loaded symbols 
for /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/linux/linux.ko.debug
Reading symbols from /boot/kernel/sysvshm.ko...done.
Loaded symbols for /boot/kernel/sysvshm.ko
Reading symbols 
from /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/procfs/procfs.ko.debug...done.
Loaded symbols 
for /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/procfs/procfs.ko.debug
Reading symbols 
from /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/ipfw/ipfw.ko.debug...done.
Loaded symbols 
for /usr/obj/usr/src/sys/MARKS/modules/usr/src/sys/modules/ipfw/ipfw.ko.debug
#0  doadump () at /usr/src/sys/kern/kern_shutdown.c:240
240             dumping++;
(kgdb) where
#0  doadump () at /usr/src/sys/kern/kern_shutdown.c:240
#1  0xc04db850 in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:372
#2  0xc04dbb27 in panic () at /usr/src/sys/kern/kern_shutdown.c:550
#3  0xc063634e in trap_fatal (frame=0xd3879c74, eva=0)
    at /usr/src/sys/i386/i386/trap.c:821
#4  0xc0636061 in trap_pfault (frame=0xd3879c74, usermode=0, eva=0)
    at /usr/src/sys/i386/i386/trap.c:735
#5  0xc0635cad in trap (frame=
      {tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = 0, tf_esi = -746087220, 
tf_ebp = -746087164, tf_isp = -746087264, tf_ebx = -1009661416, tf_edx = 
- -1012993728, tf_ecx = -746087220, tf_eax = 0, tf_trapno = 12, tf_err = 0, 
tf_eip = 0, tf_cs = 8, tf_eflags = 66050, tf_esp = -1068848813, tf_ss = 0})
    at /usr/src/sys/i386/i386/trap.c:420
#6  0xc0628e88 in calltrap () at {standard input}:94
#7  0xc04aab9e in g_up_procbody () at /usr/src/sys/geom/geom_kern.c:92
#8  0xc04c924e in fork_exit (callout=0xc04aab80 <g_up_procbody>, arg=0x0,
    frame=0x0) at /usr/src/sys/kern/kern_fork.c:793

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