Re: please test pcm channel patch

From: Sean Chittenden <sean_at_chittenden.org>
Date: Thu, 4 Dec 2003 15:02:08 -0800
> > > > Hello All,
> > > > 	Please test this PCM patch.  It creates seperate locking
> > > > classes for PCM channels and should prevent the warning where
> > > > multiple mutexes from the same class are held (as reported
> > > > recently).  I believe this to be a good strategy as it masks fewer
> > > > errors.
> > > 
> > > I can confirm that this patch fixes my LOR for pcm(4).  -sc
> > 
> > Bah!  I got 30min into playing tunes and picked the same LOR up not
> > more than 5min after sending this. :(  Sorry for the false alarm.
> > 
> > acquiring duplicate lock of same type: "pcm record channel"
> >  1st pcm0:record:0 _at_ /usr/src/sys/dev/sound/pcm/dsp.c:144
> >  2nd pcm0:play:0 _at_ /usr/src/sys/dev/sound/pcm/dsp.c:146
> > Stack backtrace:
> 
> 	Sean,
> 	I found the mistake, I assumed that a variable was initialized
> when it wasn't.  Sorry for asking you to test a stupid patch before.
> Please try this one.

Haven't had a LOR in the last 24hrs, I think you got a winner here.
-sc

-- 
Sean Chittenden
Received on Thu Dec 04 2003 - 14:03:27 UTC

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