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Date: Mon, 8 Dec 2003 12:19:24 -0800 (PST)
From: Doug White <dwhite@gumbysoft.com>
To: Andrew Lankford <mirage9_1999@yahoo.com>
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Subject: Re: panic with DVDROM in 5-CURRENT
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On Sun, 7 Dec 2003, Andrew Lankford wrote:

>
> Using the latest build of ogle with /dev/acd0 caused the latest panic
>  (backtrace below).  I think the same sort of panic has occured when I
> tried playing CD's on this drive as well.  It looks like some sort of
> race because these panics aren't persistent but seem to happen when I
> start up cdcontrol or ogle too quickly.  Just a guess.  I have another
> backtrace for CD playback with an older kernel.

Please compile with INVARIANTS and INVARIANTS_SUPPORT in your kernel and
try to trigger this again. phk recently committed some KASSERTs to capture
the case that you may be hitting.

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite@gumbysoft.com          |  www.FreeBSD.org