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[Launchpad Bug Tracker <1338137@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1321421 ***
    https://bugs.launchpad.net/bugs/1321421

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: alsa-driver (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1338137

Title:
  [MS-7924, Realtek ALC892, Green Line Out, Rear] Underruns, dropouts or
  crackling sound

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  Crackling sounds occur right after playback has been started. Addtionally a very, very short part of the file/video is looped during playback, but moves on after a few moments and starts to loop the new part. When the mouse is moved, looping does not occur. The looping may change to a "regular" echo-
  like sound,  which cannot be prevented by moving the mouse.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  mordrak    1744 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Sat Jul  5 19:02:34 2014
  InstallationDate: Installed on 2014-07-02 (3 days ago)
  InstallationMedia: Ubuntu-GNOME 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
  Symptom_Card: Internes Audio - HDA Intel
  Symptom_Jack: Green Line Out, Rear
  Symptom_Type: Underruns, dropouts, or "crackling" sound
  Title: [MS-7924, Realtek ALC892, Green Line Out, Rear] Underruns, dropouts or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/29/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V2.1
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: H97M-G43(MS-7924)
  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.:bvrV2.1:bd04/29/2014:svnMSI:pnMS-7924:pvr1.0:rvnMSI:rnH97M-G43(MS-7924):rvr1.0:cvnMSI:ct3:cvr1.0:
  dmi.product.name: MS-7924
  dmi.product.version: 1.0
  dmi.sys.vendor: MSI
  mtime.conffile..etc.modprobe.d.alsa.base.conf: 2014-07-05T18:40:34.352319

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