[email protected] wrote:
Hello, FreeBSD-stable.
Last week I have a lot of kernel panics like:
[r...@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]
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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)
Looks likely to be a hardware fault, to me.
Kris
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