please test pcm channel patch
Sean Chittenden
sean at chittenden.org
Thu Dec 4 15:03:27 PST 2003
> > > > 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 @ /usr/src/sys/dev/sound/pcm/dsp.c:144
> > 2nd pcm0:play:0 @ /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
More information about the freebsd-current
mailing list