amd64 6.2-BETA3 unexpexted reboot

[Kris Kennaway]

On Fri, Nov 17, 2006 at 10:21:10AM +0100, Roar Pettersen wrote:
> Hello !
> 
> 
> We have some unexpected reboot's on one of our servere,

FYI, this is usually called a "panic".

> and this is what we get from the crash file :

You didn't display the backtrace, the most important bit.

Are you getting em watchdog timeouts during regular server operation,
or just during dumping?

Kris

> This GDB was configured as "amd64-marcel-freebsd".
> 
> Unread portion of the kernel message buffer:
> 
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 1; apic id = 02
> fault virtual address   = 0x0
> fault code              = supervisor read, page not present
> instruction pointer     = 0x8:0x0
> stack pointer           = 0x10:0xffffffffa5599840
> frame pointer           = 0x10:0xffffff00340289a0
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 27 (irq69: em1)
> trap number             = 12
> panic: page fault
> cpuid = 1
> Uptime: 7h40m12s
> Dumping 1023 MB (2 chunks)
>   chunk 0: 1MB (156 pages) ... ok
>   chunk 1: 1023MB (261888 pages) 1008 992 976 960 944 928em1: watchdog 
> timeout -- resetting
>  912
> <5>em1: link state changed to DOWN
>  896
> <5>em1: link state changed to UP
>  880 864 848 832 816 800 784 768em1: watchdog timeout -- resetting
>  752 736
> <5>em1: link state changed to DOWN
> <5>em1: link state changed to UP
>  720 704 688em1: watchdog timeout -- resetting
>  672
> <5>em1: link state changed to DOWN
>  656
> <5>em1: link state changed to UP
>  640 624 608 592 576 560 544 528em1: watchdog timeout -- resetting
>  512 496
> <5>em1: link state changed to DOWN
>  480
> <5>em1: link state changed to UP
>  464 448 432 416 400 384 368 352em1: watchdog timeout -- resetting
>  336
> <5>em1: link state changed to DOWN
>  320
> <5>em1: link state changed to UP
>  304 288 272 256 240 224 208 192 176 160 144 128em1: watchdog timeout -- 
> resetting
>  112
> <5>em1: link state changed to DOWN
> <5>em1: link state changed to UP
>  96 80 64 48 32 16
> 
> #0  doadump () at pcpu.h:172
> 172             __asm __volatile("movq %%gs:0,%0" : "=r" (td));
> 
> 
> 
> FreeBSD 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #6: Wed Nov 15 09:30:26 CET 
> 2006 amd64
> 
> 
> --
> Med vennlig hilsen / Regards;
> 
>   Roar Pettersen
>   Universitetet i Bergen -  The University of Bergen
> _______________________________________________
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