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[Mathew Hodson <mathew.hodson@xxxxxxxxx>]

It seems to me that the fix was released but in the linux package not
the alsa-driver package.

** Changed in: alsa-driver (Ubuntu)
       Status: Fix Committed => Invalid

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

** Changed in: linux (Ubuntu)
       Status: Invalid => Fix Released

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https://bugs.launchpad.net/bugs/586347

Title:
  0x104d9069 needs LPIB quirk

Status in alsa-driver package in Ubuntu:
  Invalid
Status in linux package in Ubuntu:
  Fix Released
Status in alsa-driver source package in Lucid:
  Invalid
Status in linux source package in Lucid:
  Fix Released

Bug description:
  Listening to music (in this case via rhythmbox) results in stuttering
  sound. This happens once in a while (every 1min or so) on low load and
  increases when there is a lot of disk activity.

  Using the driver version 2.6.32-22.201005210601 from audio-dev-ppa.
  Problem does not appear with the official lucid drivers in linux-
  backports-modules-alsa-lucid-generic (2.6.32.22.23). I'm using the dev
  version for nvidia hdmi-support.

  my alsa-info.sh output: http://www.alsa-
  project.org/db/?f=b8502df177229c979aa475c0aaad0a02c2825b23

  dmesg get's filled with these (not in accordance with stuttering):

  [ 1761.476830] ALSA hda_intel.c:1666: azx_pcm_prepare: bufsize=0x10000, format=0x4011
  [ 1761.476844] ALSA hda_codec.c:1158: hda_codec_setup_stream: NID=0x2, stream=0x5, channel=0, format=0x4011
  [ 1761.493735] ALSA hda_codec.c:1158: hda_codec_setup_stream: NID=0x3, stream=0x5, channel=0, format=0x4011
  [ 1761.513715] ALSA hda_intel.c:1666: azx_pcm_prepare: bufsize=0x10000, format=0x4011
  [ 1761.513726] ALSA hda_codec.c:1158: hda_codec_setup_stream: NID=0x2, stream=0x5, channel=0, format=0x4011
  [ 1761.533673] ALSA hda_codec.c:1158: hda_codec_setup_stream: NID=0x3, stream=0x5, channel=0, format=0x4011

  Happy to debug further!

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