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From: Gavin Atkinson <gavin@FreeBSD.org>
To: Guido Falsi <mad@madpilot.net>
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Date: Tue, 05 May 2009 12:12:31 +0100
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Subject: Re: [PANIC] recent 7.2-STABLE when probing drm
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On Tue, 2009-05-05 at 13:06 +0200, Guido Falsi wrote:
> Hi!
> 
> I'm using FreeBSD/i386 stable on a HP DC7800 PC.
> 
> It has an Intel Q35 graphic chip.
> 
> After upgrading to a recent stable I experienced a pani on boot, just
> after probing drm.
> 
> I investigated a little and found out that reverting the file
> 
> src/sys/dev/pci/pci.c
> 
> to rev. 1.355.2.9 (SVN Rev 190092) solves the crash.
> 
> I could not investigatte urther right away, but some regression was
> introduced with this rev.
> 
> Is any more information needed?

When it panics, can you please type "bt" (assuming you have the debugger
compiled in) and show the output?

Gavin