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[Simon B <simon.boulier@xxxxxxxxx>]

For me the sound works but pulseaudio is very unstable and crashes often.
I have the same error message.
(Same computer with Ubuntu Mate 15.04.)

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https://bugs.launchpad.net/bugs/1450663

Title:
  no sound

Status in pulseaudio package in Ubuntu:
  Incomplete

Bug description:
  Model : HP EliteBook 840 G1 Notebook PC
  IDT High Definition (HD)
  Codec: Intel Haswell HDMI
  Distro: Ubuntu 15.04
  Pulseaudio: 1:6.0-0ubuntu6
  No sound

  E: [pulseaudio] module-alsa-card.c: Card '2' doesn't exist: No such file or directory
  E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="2" name="pci-0000_03_00.1" card_name="alsa_card.pci-0000_03_00.1" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes card_properties="module-udev-detect.discovered=1""): initialization failed.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: pulseaudio 1:6.0-0ubuntu6
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p', '/dev/snd/controlC0', '/dev/snd/by-path', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D0c', '/dev/snd/pcmC1D0p', '/dev/snd/controlC1', '/dev/snd/hwC2D0', '/dev/snd/pcmC2D7p', '/dev/snd/pcmC2D3p', '/dev/snd/controlC2', '/dev/snd/timer', '/dev/snd/seq'] failed with exit code 1:
  CurrentDesktop: Unity
  Date: Fri May  1 00:46:38 2015
  InstallationDate: Installed on 2014-11-13 (168 days ago)
  InstallationMedia: Ubuntu 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: Upgraded to vivid on 2015-04-24 (5 days ago)
  dmi.bios.date: 06/25/2014
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: L71 Ver. 01.12
  dmi.board.name: 198F
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 15.54
  dmi.chassis.asset.tag: CNU432B4WR
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvrL71Ver.01.12:bd06/25/2014:svnHewlett-Packard:pnHPEliteBook840G1:pvrA3008CD10003:rvnHewlett-Packard:rn198F:rvrKBCVersion15.54:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP EliteBook 840 G1
  dmi.product.version: A3008CD10003
  dmi.sys.vendor: Hewlett-Packard

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