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[steve <leperas@xxxxxxxxx>]

Here is the output of aplay -l
*** List of PLAYBACK Hardware Devices ****
Opened target file /tmp/pulseverbose.log.45
card 0: PCH [HDA Intel PCH], device 0: ALC271X Analog [ALC271X Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

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https://bugs.launchpad.net/bugs/1458722

Title:
  after update, no sound

Status in pulseaudio package in Ubuntu:
  New

Bug description:
  after a normal update, sound gives error of "Failed to set the
  selected audio output device".  This error is in the audio/video
  system settings.  pulseaudio does not seem to be running, and won't
  start with pulseaudio --start command.

  More than happy to provide additional info if needed.  This is Ubuntu
  14.04.2 LTS,  fresh install a few months ago, audio was working as
  expected up until update to 3.13.0-53 kernel.  Reverting the kernel
  with grub back to earlier ones did not restore the audio.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: pulseaudio 1:4.0-0ubuntu11.1
  ProcVersionSignature: Ubuntu 3.13.0-53.89-generic 3.13.11-ckt19
  Uname: Linux 3.13.0-53-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.11
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  leperas    1954 F.... kded4
                        leperas    2062 F.... kmix
  CurrentDesktop: KDE
  Date: Mon May 25 23:19:38 2015
  InstallationDate: Installed on 2015-03-14 (73 days ago)
  InstallationMedia: Kubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  SourcePackage: pulseaudio
  Symptom: audio
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/15/2013
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V2.22
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: MA40_HX
  dmi.board.vendor: Acer
  dmi.board.version: Type2 - A01 Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Chassis Manufacturer
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsydeCorp.:bvrV2.22:bd04/15/2013:svnAcer:pnAspireM5-481PT:pvrV2.22:rvnAcer:rnMA40_HX:rvrType2-A01BoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
  dmi.product.name: Aspire M5-481PT
  dmi.product.version: V2.22
  dmi.sys.vendor: Acer

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