(In reply to rkfg from comment #27) > Created attachment 111616 [details] > pcm_avail log > > Here's the output of pcm_avail.c program.
avail increment at 8 frames which is less than min period size 16 and period size 1024 this mean some tsched feature are supported hwbuf_unused can be set to non zero (e.g. multiple of 8 frames instead of period size) min_period_size: 16 frames, dir: 0 Playback hwparams: FIFO size is 0 Hardware PCM card 0 'CA0106' device 0 subdevice 0 Its setup is: stream : PLAYBACK access : RW_INTERLEAVED format : S16_LE subformat : STD channels : 2 rate : 48000 exact rate : 48000 (48000/1) msbits : 16 buffer_size : 4096 period_size : 1024 period_time : 21333 tstamp_mode : NONE period_step : 1 avail_min : 1024 period_event : 0 start_threshold : 1024 stop_threshold : 4096 silence_threshold: 0 silence_size : 0 boundary : 4611686018427387904 appl_ptr : 0 hw_ptr : 0 Playing silence Available: 64, loop iteration: 0 Available: 72, loop iteration: 8 Available: 80, loop iteration: 16 Available: 88, loop iteration: 24 Available: 96, loop iteration: 31 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1315212 Title: [CA0106 - CA0106, playback] Playback problem - Surround dies, no valid output To manage notifications about this bug go to: https://bugs.launchpad.net/alsa-driver/+bug/1315212/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
