** Description changed:

- options snd-hda-intel position_fix=2 makes the pop sound a little
+ Recent regression.
+ 
+ Options snd-hda-intel position_fix=2 makes the pop sound a little
  softer, but does not eliminate it.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.11.0-2.5-generic 3.11.0-rc5
  Uname: Linux 3.11.0-2-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.12-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC2:  omer       3421 F.... pulseaudio
-  /dev/snd/controlC1:  omer       3421 F.... pulseaudio
-  /dev/snd/controlC0:  omer       3421 F.... pulseaudio
-  /dev/snd/pcmC0D0p:   omer       3421 F...m pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC2:  omer       3421 F.... pulseaudio
+  /dev/snd/controlC1:  omer       3421 F.... pulseaudio
+  /dev/snd/controlC0:  omer       3421 F.... pulseaudio
+  /dev/snd/pcmC0D0p:   omer       3421 F...m pulseaudio
  Date: Sun Aug 18 23:26:33 2013
  InstallationDate: Installed on 2013-07-05 (44 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130704)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
  Symptom_Card: Built-in Audio - HDA Intel PCH
  Symptom_Jack: Green Line Out, Rear
  Symptom_Type: Underruns, dropouts, or "crackling" sound
  Title: [System Product Name, Realtek ALC892, Green Line Out, Rear] Underruns, 
dropouts or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/09/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0501
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: P8Z68-V PRO
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr0501:bd05/09/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8Z68-VPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  mtime.conffile..etc.modprobe.d.alsa.base.conf: 2013-08-18T23:23:04.428117

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https://bugs.launchpad.net/bugs/1213769

Title:
  [System Product Name, Realtek ALC892, Green Line Out, Rear] Popping
  sound or crackle every few seconds while playing audio

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