Debug trace... at the bottom you can see where I needed to stop queuing new DMA data If you dig around in the archives, other people have run into this same problem. root@phyCORE:~ aplay phone.wav mpc5200-psc-ac97 f0002200.sound: psc_dma_open(substream=c7913700) Playing WAVE 'phone.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo mpc5200-psc-ac97 f0002200.sound: psc_ac97_hw_analog_params(substream=c7913700) p_size=5513 p_bytes=44104 periods=4 buffer_size=22052 buffer_bytes=176416 channels=2 rate=44100 format=11 AC97_EXTENDED_STATUS 411 mpc5200-psc-ac97 f0002200.sound: psc_dma_trigger(substream=c7913700, cmd=1) stream_id=0 runtime->dma_area c7a00000 Initial pointer 0 Playback --- DMA address / s->appl_ptr / runtime->control->appl_ptr enqueue 7a00000 0 22052 queued enqueue 7a0ac48 5513 22052 queued enqueue 7a15890 11026 22052 queued enqueue 7a204d8 16539 22052 queued enqueue 7a00000 22052 22052 enqueue 7a00000 22052 22052 enqueue 7a00000 22052 27565 queued enqueue 7a0ac48 27565 33078 queued enqueue 7a15890 33078 38591 queued enqueue 7a204d8 38591 44104 queued enqueue 7a00000 44104 49617 queued enqueue 7a0ac48 49617 55130 queued enqueue 7a15890 55130 60643 queued enqueue 7a204d8 60643 66156 queued enqueue 7a00000 66156 71669 queued enqueue 7a0ac48 71669 77182 queued enqueue 7a15890 77182 82695 queued enqueue 7a204d8 82695 88208 queued enqueue 7a00000 88208 93721 queued enqueue 7a0ac48 93721 99234 queued enqueue 7a15890 99234 104747 queued enqueue 7a204d8 104747 110260 queued enqueue 7a00000 110260 115773 queued enqueue 7a0ac48 115773 115773 - stopped queuing new buffers here enqueue 7a0ac48 115773 115773 enqueue 7a0ac48 115773 115773 mpc5200-psc-ac97 f0002200.sound: psc_dma_trigger(substream=c7913700, cmd=0) stream_id=0 -- this trigger is too late. Samples have already started going into the codec mpc5200-psc-ac97 f0002200.sound: psc_dma_close(substream=c7913700) root@phyCORE: -- Jon Smirl jonsmirl@xxxxxxxxx _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
