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[Raymond <1315212@xxxxxxxxxxxxxxxxxx>]

seem default sample 16 bits has no effect on format , pulseaudio prefer
32 bits


Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] card.c: Created 2 "alsa_card.pci-0000_06_00.0"
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] alsa-util.c: cannot disable ALSA period wakeups
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] alsa-util.c: ALSA period wakeups were not disabled
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] alsa-sink.c: Successfully opened device front:0.
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] alsa-sink.c: Selected mapping 'Analog Stereo' (analog-stereo).
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] alsa-sink.c: Successfully enabled mmap() mode.
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] alsa-sink.c: Successfully enabled timer-based scheduling mode.
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] (alsa-lib)control.c: Invalid CTL front:0
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] alsa-util.c: Unable to attach to mixer front:0: No such file or directory
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] alsa-util.c: Successfully attached to mixer 'hw:0'
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] module-device-restore.c: Restoring port for sink sink:alsa_output.pci-0000_06_00.0.analog-stereo.
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] module-device-restore.c: Restoring volume for sink alsa_output.pci-0000_06_00.0.analog-stereo: front-left: 65536 / 100%,   front-right: 65536 / 100%
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] sink.c: Default and alternate sample rates are the same.
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] sink.c: Created sink 0 "alsa_output.pci-0000_06_00.0.analog-stereo" with sample spec s32le 2ch 48000Hz and channel map front-left,front-right
Dec 30 22:56:29 homecomp pulseaudio[1103]: [pulseaudio] sink.c:     alsa.resolution_bits = "32"

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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.

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