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Date: Tue, 24 Apr 2007 17:26:37 -0400
From: Kris Kennaway <kris@obsecurity.org>
To: Remco Bressers <rbressers@signet.nl>
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Cc: freebsd-bugs@FreeBSD.org, pvdsteen@signet.nl,
	"Michael R. Wayne" <freebsd@wayne47.com>,
	Kris Kennaway <kris@obsecurity.org>
Subject: Re: kern/111458: [panic] Panic on 6.2-RELEASE AMD in kern_mutex
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On Tue, Apr 24, 2007 at 11:21:39PM +0200, Remco Bressers wrote:
> On Tue, 2007-04-24 at 17:14 -0400, Kris Kennaway wrote:
> > On Tue, Apr 24, 2007 at 09:10:09PM +0000, Remco Bressers wrote:
> > 
> > >  To update this bugreport and to keep it 'warm'
> > >  
> > >  I've got the very same problem overhere.
> > >  
> > >  Our box : 
> > >  
> > >  # uname -r
> > >  6.2-RELEASE-p2
> > >  
> > >  This is an amd64 release
> > >  
> > >  Updates on GENERIC : 
> > >  
> > >  options         QUOTA 
> > >  device          pf
> > >  device          pflog
> > >  options		SMP
> > >  
> > >  Kernel messages : 
> > >  
> > >  cpuid = 0; apic id = 00
> > >  fault virtual address = 0x18c
> > >  fault code = supervisor read, page not present
> > >  current process = 5 (thread taskq)
> > >  trap number = 12
> > >  panic: page fault
> > >  cpuid = 0
> > 
> > How do you know it is "the very same problem"?  In order to determine
> > this you need to compare backtraces from the panic, which you didn't
> > provide.
> 
> I contacted the submitter for this problem and compared hardware and
> software. The symptoms are the same

Which just means "it crashed"

, the kernel panic is the same and

The panic message also just means "it crashed"

> the installed FreeBSD version is exactly the same.

You're both running the most recent version, no real surprises there.

> Sounds fair enough to me.  Ofcourse i cannot be 100% sure, but it
> sounds too obvious to me.

Well, maybe, but I respectfully submit that you don't understand the
issue well enough to conclude that :) Please follow up with a
backtrace and then we'll see where things stand.

Kris