From owner-freebsd-amd64@FreeBSD.ORG  Tue Feb  7 21:49:23 2006
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Date: Tue, 7 Feb 2006 13:49:22 -0800
From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: Chaim Rieger <chaim.rieger@gmail.com>
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Cc: freebsd-amd64@freebsd.org
Subject: Re: core dump need some help
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On Tue, Feb 07, 2006 at 01:43:12PM -0800, Chaim Rieger wrote:
> 
> On Feb 7, 2006, at 1:26 PM, Steve Kargl wrote:
> 
> >On Tue, Feb 07, 2006 at 01:23:39PM -0800, Chaim Rieger wrote:
> >>bsd# kgdb kernel.debug /usr/local/crash/vmcore.0
> >>
> >
> >(snip)
> >
> >>
> >>#0  doadump () at pcpu.h:172
> >>172     pcpu.h: No such file or directory.
> >>        in pcpu.h
> >
> >What is the backtrace?
> >
> 
> is this it ?

Yes.  Except your kernel.debug appears to be missing its symbols.

> #0  0xffffffff803b4b4d in doadump ()
> #1  0xffffffff803b4b74 in doadump ()
> #2  0x0000000000000004 in ?? ()

All of the ?? in the trace should be names of functions and
the stack should be accessible.

-- 
Steve