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From: John Baldwin <jhb@freebsd.org>
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Date: Thu, 1 Nov 2007 11:52:00 -0400
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Cc: freebsd-gnats-submit@freebsd.org, Ivan Kurtev <ikurtev@bnbprint.com>
Subject: Re: alpha/117745: fatal kernel trap
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On Thursday 01 November 2007 11:07:35 am Ivan Kurtev wrote:
> 
> >Number:         117745
> >Category:       alpha
> >Synopsis:       fatal kernel trap
> >Confidential:   no
> >Severity:       critical
> >Priority:       high
> >Responsible:    freebsd-alpha
> >State:          open
> >Quarter:        
> >Keywords:       
> >Date-Required:
> >Class:          update
> >Submitter-Id:   current-users
> >Arrival-Date:   Thu Nov 01 15:10:00 UTC 2007
> >Closed-Date:
> >Last-Modified:
> >Originator:     Ivan Kurtev
> >Release:        FreeBSD 6.2-STABLE
> >Organization:
> BNB PrintingWorks
> >Environment:
> >Description:
> After updating to 1.36.2.2 of pcibus.c and made new kernel (default GENERIC)
> Fatal kernel trap
> 
> trap entry=0x2 (memory management fault)
> 
> cpuid=0
> faulting=0x78
> type=access violation
> case=store instruction
> pc=0xfffffc00005a5960
> ra=0xfffffc0000800eec
> sp=0xfffffc0000b55930
> usp=0x0
> curthread=0xfffffc0000a3a8d0
> 
> pid=0, com=swapper

Can you get a stack trace using DDB or gdb?

-- 
John Baldwin