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[Bug 1336274] Re: HDMI Audio and all other audio disappeared from input sources and output sources in the audio control panel and stereo system is looping between audio is coming and audio is not coming from the computer.

 

I fixed it on my end by re-installing Ubuntu from scratch. You should
probably look into my logs to find out what could have caused it though.

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https://bugs.launchpad.net/bugs/1336274

Title:
  HDMI Audio and all other audio disappeared from input sources and
  output sources in the audio control panel and stereo system is looping
  between audio is coming and audio is not coming from the computer.

Status in “pulseaudio” package in Ubuntu:
  New

Bug description:
  After I did an update via system update, my system stopped working
  with audio. I then viewed the audio control panel and non of my
  output/input sources appear. I'm assuming that a component that Pulse
  Audio uses has been updated and ether Pulse Audio does not know how to
  communicate with it, or the component was not tested before being
  released. I have not changed any of my hardware configurations, so it
  cannot be a hardware issue. Also using XBMC and I'm guessing XBMC
  backed down to using ASLA, I am able to set HDMI out (which I had to
  change from previous configuration which I'm assuming is because Pulse
  Audio is unable to start) and it works fine until I stop using it for
  awhile. After I stop using it for awhile, I have to reboot the system
  to get XBMC working again.

  The way my stereo system (A Yamaha Receiver) is reacting to this is
  it's showing it has audio coming from the computer one second, then
  the other second it doesn't have audio. I'm assuming this is the
  daemon of Pulse Audio restarting over and over again after it cannot
  start.

  I ran pulse audio in verbose mode to show what module is causing it to
  fail to load, and it is module-systemd-login. The reason it is failing
  to load is "Failed to create session monitor: No space left on device"
  but none of my disks are anywhere near being used up, nor is my ram,
  so I have no idea as to what it could be referring to... Maybe it's
  referring to space in the audio hardware??? I do not know... I have
  attached the logs on here.

  Any help would be useful in getting my audio back, I'm a
  hacker/developer/all around geek who loves the terminal, so please ask
  any questions! Please do feel free to email me, I want my audio back!

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: pulseaudio 1:4.0-0ubuntu11
  ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D0c', '/dev/snd/pcmC1D0p', '/dev/snd/pcmC1D2c', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D8p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  Date: Tue Jul  1 08:34:09 2014
  InstallationDate: Installed on 2014-05-18 (43 days ago)
  InstallationMedia: It
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  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: 12/02/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V2.4
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: B85-G41 PC Mate(MS-7850)
  dmi.board.vendor: MSI
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: To be filled by O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: MSI
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV2.4:bd12/02/2013:svnMSI:pnMS-7850:pvr1.0:rvnMSI:rnB85-G41PCMate(MS-7850):rvr1.0:cvnMSI:ct3:cvr1.0:
  dmi.product.name: MS-7850
  dmi.product.version: 1.0
  dmi.sys.vendor: MSI

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