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[Paul Gear <paul.gear@xxxxxxxxxxxxx>]

Hi Raymond,

I'm experiencing this problem again now, and the symptoms have changed
slightly.  Sound is still not working, but the input and output devices
Internal Microphone (built-in audio) and Speakers (built-in audio) are
still present.  Would gathering debug information at the moment help?

Thanks,
Paul

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1404094

Title:
  Sound stops working

Status in pulseaudio package in Ubuntu:
  Incomplete

Bug description:
  My fully working sound configuration occasionally stops working.  Symptoms are:
  - System Settings -> Sound only shows "dummy output" and no input devices
  - restarting pulseaudio has no effect
  - aplay -l as root shows sound cards
  - fuser -v /dev/snd/* shows nothing; /dev/dsp and /dev/seq do not exist
  - Rebooting solves the problem

  This did not occur on trusty but has occurred twice on utopic in the
  last month or two.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: pulseaudio 1:4.0-0ubuntu22
  Uname: Linux 3.17.1-031701-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/hwC0D3', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D8p', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/controlC29', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CurrentDesktop: Unity
  Date: Fri Dec 19 12:40:29 2014
  SourcePackage: pulseaudio
  Symptom: audio
  Symptom_Card: HDA-Intel - HDA Intel PCH
  Symptom_Jack: Digital Out, HDMI
  Title: [qqqqCTO, Intel PantherPoint HDMI, Digital Out, HDMI] Pulseaudio fails to detect card
  UpgradeStatus: Upgraded to utopic on 2014-11-10 (38 days ago)
  dmi.bios.date: 07/24/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G2ET33WW (1.13 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: qqqqCTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrG2ET33WW(1.13):bd07/24/2012:svnLENOVO:pnqqqqCTO:pvrThinkPadX230:rvnLENOVO:rnqqqqCTO:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: qqqqCTO
  dmi.product.version: ThinkPad X230
  dmi.sys.vendor: LENOVO

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