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Date: Wed, 12 Jan 2005 09:10:41 -0600
From: Scot Hetzel <swhetzel@gmail.com>
To: Randy Bush <randy@psg.com>
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cc: FreeBSD Stable <freebsd-stable@freebsd.org>
Subject: Re: trap 12
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On Wed, 12 Jan 2005 00:29:42 -0800, Randy Bush <randy@psg.com> wrote:
> managed to catch a crash that seems to happen every few days.  this
> was on an old build, re-cvsupping now
> 
> FreeBSD foo.edu 5.3-STABLE FreeBSD 5.3-STABLE #3: Fri Dec 17 19:01:18 GMT 2004     root@foo.com:/usr/obj/usr/src/sys/FOO  i386
> 
>    Fatal trap 12: page fault while in kernel mode
>    cpuid = 0; apic id = 00
>    fault virtual address   = 0x41959c25
>    fault code              = supervisor write, page not present
>    instruction pointer     = 0x8:0xc04e832a
>    stack pointer           = 0x10:0xe75d5978
>    frame pointer           = 0x10:0xe75d5994
>    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         = 27496 (sshd)
>    trap number             = 12
>    panic: page fault
>    cpuid = 0
>    boot() called on cpu#0
>    Uptime: 5d19h20m0s
>    Dumping 1023 MB
> 
>    Dump failed writing data (1)
> 
>    Dump failed writing trailer (1)
> 
>    Dump complete
> 
> any hints to finding out why i can not get a saved core on this
> machnine would be much appreciated.
> 
Is your swap drive your dumping to > 1023M.  If not you need to
specify a dump drive that is > 1023M.

Scot