(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 Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1315212 Title: [CA0106 - CA0106, playback] Playback problem - Surround dies, no valid output Status in ALSA driver: Confirmed Status in alsa-driver package in Ubuntu: Incomplete Bug description: This is tested against a Creative Labs Sounblaster live! (sb0410) card and a SoundBlaster Audigy se (sb0570). Both of them behave strangely, output coming through some, but not all speakers, etc. This was working in 13.10 under the sb0410. the ca0106 driver is the same for both cards. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 Uname: Linux 3.13.0-24-generic i686 ApportVersion: 2.14.1-0ubuntu3 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: joshp 30385 F.... pulseaudio /dev/snd/controlC0: joshp 30385 F.... pulseaudio CurrentDesktop: Unity Date: Thu May 1 21:37:12 2014 InstallationDate: Installed on 2014-04-28 (3 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:CA0106 failed Symptom_Card: Built-in Audio - Intel ICH6 Symptom_Type: None of the above Title: [CA0106 - CA0106, playback] Playback problem UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/03/2006 dmi.bios.vendor: Dell Inc. dmi.bios.version: A08 dmi.board.name: 0G8310 dmi.board.vendor: Dell Inc. dmi.chassis.type: 3 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA08:bd03/03/2006:svnDellInc.:pnOptiPlexGX280:pvr:rvnDellInc.:rn0G8310:rvr:cvnDellInc.:ct3:cvr: dmi.product.name: OptiPlex GX280 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/alsa-driver/+bug/1315212/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
