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[John Drinkwater <john@xxxxxxxxxxxxx>]

Public bug reported:

On first session launch, audio will be corrupt and anything played will
result in garbage. If I however remove all 4 speech-dispatcher processes
which appear in sound preferences, audio returns to normal and is fine
for the remaining session.

Brand new upgrade to Ubuntu 15.10, no custom packages, but this was
happening in 15.04 as well.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  john       2063 F.... pulseaudio
 /dev/snd/controlC2:  john       2063 F.... pulseaudio
 /dev/snd/controlC0:  john       2063 F.... pulseaudio
CurrentDesktop: GNOME-Flashback:Unity
Date: Tue Feb  2 14:42:23 2016
InstallationDate: Installed on 2015-06-05 (241 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:NVidia successful
Symptom_Card: GK104 HDMI Audio Controller - HDA NVidia
Symptom_Jack: Digital Out, HDMI
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: None of the above
Title: [To Be Filled By O.E.M., Nvidia GPU 40 HDMI/DP, Digital Out, HDMI] Playback problem
UpgradeStatus: Upgraded to wily on 2016-02-02 (0 days ago)
dmi.bios.date: 04/02/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 080014
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: A76ML-K 30
dmi.board.vendor: FOXCONN
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr080014:bd04/02/2011:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnFOXCONN:rnA76ML-K30:rvr1.0:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.

** Affects: alsa-driver (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug wily

-- 
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https://bugs.launchpad.net/bugs/1540952

Title:
  speech-dispatcher causes audio corruption (maybe overdrive?) to
  [Nvidia GPU 40 HDMI/DP, Digital Out, HDMI]

Status in alsa-driver package in Ubuntu:
  New

Bug description:
  On first session launch, audio will be corrupt and anything played
  will result in garbage. If I however remove all 4 speech-dispatcher
  processes which appear in sound preferences, audio returns to normal
  and is fine for the remaining session.

  Brand new upgrade to Ubuntu 15.10, no custom packages, but this was
  happening in 15.04 as well.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu5
  ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1
  Uname: Linux 4.2.0-27-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  john       2063 F.... pulseaudio
   /dev/snd/controlC2:  john       2063 F.... pulseaudio
   /dev/snd/controlC0:  john       2063 F.... pulseaudio
  CurrentDesktop: GNOME-Flashback:Unity
  Date: Tue Feb  2 14:42:23 2016
  InstallationDate: Installed on 2015-06-05 (241 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:NVidia successful
  Symptom_Card: GK104 HDMI Audio Controller - HDA NVidia
  Symptom_Jack: Digital Out, HDMI
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: None of the above
  Title: [To Be Filled By O.E.M., Nvidia GPU 40 HDMI/DP, Digital Out, HDMI] Playback problem
  UpgradeStatus: Upgraded to wily on 2016-02-02 (0 days ago)
  dmi.bios.date: 04/02/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 080014
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: A76ML-K 30
  dmi.board.vendor: FOXCONN
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr080014:bd04/02/2011:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnFOXCONN:rnA76ML-K30:rvr1.0:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.

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