2010/1/11 Jaroslav Kysela <perex@xxxxxxxx> > 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 > > ----- do you mean 27 instead of 29 since the echo only occur when the value contain XRUN_DEBUG_JIFFIESCHECK bit ? aplay -Dplughw:0,0 and mplayer -ao alsa:device=hw=0,0 work normal except when the value of xrun_debug contain XRUN_DEBUG_JIFFIESCHECK bit ( same result for the three virtual box audio backend oss, pulseaudio and alsa ) _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
