FreeBSD 7.0 kernel panic

[L1NYX01D at GOOGLEMAIL.COM]

Hello, FreeBSD-stable.

Last week I have a lot of kernel panics like:

> [root at router1 /usr/obj/usr/src/sys/TINCOKERNEL2]# kgdb kernel.debug /var/crash/vmcore.20
> [GDB will not be able to debug user-mode threads:
> /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 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-marcel-freebsd".
>
> Unread portion of the kernel message buffer:
> kernel trap 12 with interrupts disabled
>
>
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address   = 0x9
> fault code              = supervisor read, page not present
> instruction pointer     = 0x20:0xc079f1af
> stack pointer           = 0x28:0xe5697c80
> frame pointer           = 0x28:0xe5697cbc
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = resume, IOPL = 0
> current process         = 14 (swi4: clock)
> trap number             = 12
> panic: page fault
> cpuid = 0
> Uptime: 51m49s
> Physical memory: 2032 MB
> Dumping 177 MB: 162 146 130 114 98 82 66 50 34 18 2
>
> #0  doadump () at pcpu.h:195
> 195             __asm __volatile("movl %%fs:0,%0" : "=r" (td));
> (kgdb) bt
> #0  doadump () at pcpu.h:195
> #1  0xc078d1b7 in boot (howto=260) at
> /usr/src/sys/kern/kern_shutdown.c:409
> #2  0xc078d479 in panic (fmt=Variable "fmt" is not available.
> ) at /usr/src/sys/kern/kern_shutdown.c:563
> #3  0xc0a0eaac in trap_fatal (frame=0xe5697c40, eva=9) at /usr/src/sys/i386/i386/trap.c:899
> #4  0xc0a0f42f in trap (frame=0xe5697c40) at /usr/src/sys/i386/i386/trap.c:280
> #5  0xc09f565b in calltrap () at
> /usr/src/sys/i386/i386/exception.s:139
> #6  0xc079f1af in softclock (dummy=0x0) at
> /usr/src/sys/kern/kern_timeout.c:202
> #7  0xc076f31b in ithread_loop (arg=0xc5101250) at
> /usr/src/sys/kern/kern_intr.c:1036
> #8  0xc076c119 in fork_exit (callout=0xc076f170 <ithread_loop>, arg=0xc5101250, frame=0xe5697d38)
>     at /usr/src/sys/kern/kern_fork.c:781
> #9  0xc09f56d0 in fork_trampoline () at
> /usr/src/sys/i386/i386/exception.s:205
> (kgdb)

What I should do?

-- 
С уважением,
 L1NYX01D                          mailto:l1nyx01d at googlemail.com