On Sat, 2004-01-03 at 05:01, Don Lewis wrote: > I wouldn't rule out the dsp, since you audio player software may be > calling select() on the fd for the audio device. You might want to back > out Bruce's quick hack and change the second argument to selwakeuppri() > to -1 in chn_wakeup() in dev/sound/pcm/channel.c. > > Is your kernel compiled with the INVARIANTS and INVARIANTS_SUPPORT > options? > > Something else that I noticed is that the CHN_LOCKASSERT macro has an > empty definition in dev/sound/pcm/channel.h. You might want to try > defining it as > mtx_assert((struct mtx *)((c)->lock), MA_OWNED) > > I still don't see any obvious cause for this problem. I took out the debug options because it was just too slow. Put back INVARIANTS (but no WITNESS) now and speed is nice again. Applied your suggested changes which resulted in a panic. No assertations were triggered though.Received on Sun Jan 04 2004 - 05:50:21 UTC
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