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[Ruman Gerst <ruman.gerst@xxxxxx>]

Happens for after I upgraded from Utopic to Vivid Beta 2.
Now Audacity is completely unusable.

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https://bugs.launchpad.net/bugs/1443314

Title:
  audio plays as white noise

Status in audacity package in Ubuntu:
  Confirmed

Bug description:
  any audio is unplayable in audacity, resulting in white noise.
  here is the output:

  ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave
  ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
  ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
  ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
  ALSA lib pcm_route.c:947:(find_matching_chmap) Found no matching channel map
  bt_audio_service_open: connect() failed: Connection refused (111)
  bt_audio_service_open: connect() failed: Connection refused (111)
  bt_audio_service_open: connect() failed: Connection refused (111)
  bt_audio_service_open: connect() failed: Connection refused (111)
  ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave
  Cannot connect to server socket err = No such file or directory
  Cannot connect to server request channel
  jack server is not running or cannot be started
  10:59:43: Debug: DirManager: Created new instance.
  Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1736
  Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir, &self->pcm )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1904
  Expression 'PaAlsaStreamComponent_Initialize( &self->capture, alsaApi, inParams, StreamDirection_In, NULL != callback )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 2171
  Expression 'PaAlsaStream_Initialize( stream, alsaHostApi, inputParameters, outputParameters, sampleRate, framesPerBuffer, callback, streamFlags, userData )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 2840
  10:59:44: Debug: PortAudio stream error creating device list: ALSA:HDA Intel PCH: ALC269VC Analog (hw:0,0): Device unavailable
  ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave
  ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave
  ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave
  ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave
  Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1736
  Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir, &self->pcm )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1904
  Expression 'PaAlsaStreamComponent_Initialize( &self->capture, alsaApi, inParams, StreamDirection_In, NULL != callback )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 2171
  Expression 'PaAlsaStream_Initialize( stream, alsaHostApi, inputParameters, outputParameters, sampleRate, framesPerBuffer, callback, streamFlags, userData )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 2840
  10:59:45: Debug: PortAudio stream error creating device list: ALSA:sysdefault: Device unavailable
  Expression 'stream->playback.pcm' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 4611
  Expression 'stream->playback.pcm' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 4611
  10:59:45: Debug: LastOpenType is 
  10:59:45: Debug: OverrideExtendedImportByOpenFileDialogChoice is 1
  10:59:45: Debug: Appending libav
  10:59:45: Debug: Appending libsndfile
  10:59:45: Debug: Appending liboggvorbis
  10:59:45: Debug: Appending libflac
  10:59:45: Debug: Appending lof
  10:59:47: Debug: AudioIO::GetBestRate() for playback
  10:59:47: Debug: GetBestRate() suggested rate 44100 Hz
  10:59:47: Debug: GetBestRate() Returning 44100 Hz
  ALSA lib pcm.c:7843:(snd_pcm_recover) underrun occurred
  ALSA lib pcm.c:7843:(snd_pcm_recover) underrun occurred
  ALSA lib pcm.c:7843:(snd_pcm_recover) underrun occurred

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