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Date: Tue, 15 Jul 2008 22:44:59 +0200
From: Kris Kennaway <kris@FreeBSD.org>
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To: Michael Grant <mgrant@grant.org>
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Cc: FreeBSD Questions <freebsd-questions@freebsd.org>
Subject: Re: panic
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Michael Grant wrote:
> I have been having panics on one of my machines, roughly every week or
> so.  I was running 6.3 pre-release and then I updated to 6.3 p2 and I
> still have the panic, here's the message that appears on the console:
> 
> panic: kmem_kernel trap 12 with interrupts disabled
> 
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 2; apic id = 06
> fault virtual address   = 0x2c
> fault code              = supervisor read, page not present
> instruction pointer     = 0x20:0xc06c5a5a
> stack pointer           = 0x28:0xe6ea49ec
> frame pointer           = 0x28:0xe6ea4a00
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = resume, IOPL = 0
> current process         = 14 (swi1: net)
> trap number             = 12
> 
> Is this possibly a hardware problem?

Yes, but who can say? :)  To complete your bug report please submit a 
backtrace.  See the developers handbook for details.

Kris