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Date: Wed, 30 Apr 2003 14:12:41 -0700
From: Terry Lambert <tlambert2@mindspring.com>
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To: Georg Funk <georgfunk@web.de>
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Subject: Re: lock order reversal
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Georg Funk wrote:
> I'm running the FreeBSD 5.0-RELEASE. When I boot up, this appears:
> 
> 1st 0xc12a7230 process lock (process lock) @ ../../../kern/kern_descrip.c:2112
> lock order reversal
> I haven't noticed any disfunctions, but what does this mean?
> 
> I get a similar error when I use my soundcard:
> 
> lock order reversal
>  1st 0xc120a680 pcm0 (sound softc) @ ../../../dev/sound/isa/mss.c:177
>  2nd 0xc120a740 pcm0:play:0 (pcm channel) @
> ../../../dev/sound/pcm/channel.c:441
> 
> I have to restart the KDE artsd before the soundcard works correct. Please
> give me advice how to solve this.

THere is a patch for this for -CURRENT, made recently.  You should
port the patch back to -RELEASE, or run -CURRENT instead.

See the -current mailing list archive for the last two weeks to
see the patch.

-- Terry