[Expired for alsa-driver (Ubuntu) because there has been no activity for
60 days.]

** Changed in: alsa-driver (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1019689

Title:
  Alsa Sound starts clicking and popping in Lubuntu

Status in alsa-driver package in Ubuntu:
  Expired

Bug description:
  After having been booted for some time, Alsa seems to start generating
  clicking or popping sounds every few seconds. Running

  aplay /usr/share/sounds/alsa/Front_Center.wav

  causes the clicking to stop, but only for a few seconds. To eliminate
  the clicking altogether I had to run...

  sudo alsa force-reload

  ...at which point the clicking stopped, at least for the last 15
  minutes or so.

  I also experience this same issue on another similarly configured
  machine - a Dell, so I don't think it's a hardware issue.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-25.40-generic-pae 3.2.18
  Uname: Linux 3.2.0-25-generic-pae i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu8
  Architecture: i386
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', 
'/dev/snd/controlC0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', 
'/dev/snd/pcmC0D1c', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D3c', 
'/dev/snd/pcmC0D4p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  Card0.Amixer.info:
   Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with Cx20468-31 at irq 10'
     Mixer name : 'Conexant Cx20468-31'
     Components : 'AC97a:43585430'
     Controls      : 23
     Simple ctrls  : 16
  Date: Sun Jul  1 00:48:42 2012
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 
(20120423.2)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory 
/home/laptop not ours.
   No PulseAudio daemon running, or not running as session daemon.
  SourcePackage: alsa-driver
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/06/2004
  dmi.bios.vendor: ACER
  dmi.bios.version: 3A06
  dmi.board.name: TravelMate 4500
  dmi.board.vendor: Acer
  dmi.board.version: Rev 1.0
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: Rev.1
  dmi.modalias: 
dmi:bvnACER:bvr3A06:bd08/06/2004:svnAcer:pnTravelMate4500:pvrRev1:rvnAcer:rnTravelMate4500:rvrRev1.0:cvnAcer:ct10:cvrRev.1:
  dmi.product.name: TravelMate 4500
  dmi.product.version: Rev 1
  dmi.sys.vendor: Acer

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