On Mon, 11 Jan 2010, Raymond Yau wrote: > 2010/1/7 Jaroslav Kysela <perex@xxxxxxxx> > >> On Wed, 6 Jan 2010, pl bossart wrote: >> >> >> >> The improved and more clean fix in now in my tree: >> >> >> http://git.alsa-project.org/?p=alsa-kernel.git;a=commitdiff;h=1250932e48d3b698415b1f04775433cf1da688d6 >> >> Note that you should apply these 4 patches (in reverse order): >> >> 4: ALSA: pcm_lib - optimize wake_up() calls for PCM I/O >> 3: ALSA: pcm_lib - cleanup & merge hw_ptr update functions >> 2: ALSA: pcm_lib - add possibility to log last 10 DMA ring buffer positions >> 1: ALSA: pcm_lib.c - convert second xrun_debug() parameter to use defines >> >> Patch #3 should definitely fix problems with large avail or delay values >> reported in PA. I finally figured the culprit (and decide to cleanup all >> relevant code rather do just another workaround). In other words, new >> hw_ptr pointer should never be less than previous one now. >> >> Jaroslav >> >> - >> > > using alsa-driver-1.0.22.1.1.g231e3.14.g812cb and Fedora 12 inside Virtual > Box > > aplay -D plughw:0,0 /usr/share/sounds/alsa/*.wav > > "Front Left" sound as "Front Front Left" when playing "Front_left.wav" > > only when echo 4 > /proc/asound/card0/pcm0p/xrun_debug Thanks for testing. It means that with other values is no sound generated? Could you use value 29 for xrun_debug and report all sound related messages from dmesg output after playback of "Front_left.wav"? Jaroslav ----- Jaroslav Kysela <perex@xxxxxxxx> Linux Kernel Sound Maintainer ALSA Project, Red Hat, Inc. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel