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[Rkfg <1315212@xxxxxxxxxxxxxxxxxx>]

It happens more likely with small buffers and sometimes doesn't happen with larger buffer. However, this behavior is not consistent:
%[homecomp]:[/tmp/test]> arecord -f dat -D hw:CARD=CA0106 -t wav -d 5 --buffer-size=2048 test.wav  
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
overrun!!! (at least 0.025 ms long)
^CAborted by signal Interrupt...
%[homecomp]:[/tmp/test]> arecord -f dat -D hw:CARD=CA0106 -t wav -d 5 --buffer-size=4096 test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
overrun!!! (at least 0.023 ms long)
^CAborted by signal Interrupt...
%[homecomp]:[/tmp/test]> arecord -f dat -D hw:CARD=CA0106 -t wav -d 5 --buffer-size=8192 test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
overrun!!! (at least 0.023 ms long)
^CAborted by signal Interrupt...
%[homecomp]:[/tmp/test]> arecord -f dat -D hw:CARD=CA0106 -t wav -d 5 --buffer-size=16384 test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
overrun!!! (at least 0.028 ms long)
^CAborted by signal Interrupt...
%[homecomp]:[/tmp/test]> arecord -f dat -D hw:CARD=CA0106 -t wav -d 5 --buffer-size=32768 test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
overrun!!! (at least 0.045 ms long)
^CAborted by signal Interrupt...
%[homecomp]:[/tmp/test]> arecord -f dat -D hw:CARD=CA0106 -t wav -d 5 --buffer-size=65536 test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
overrun!!! (at least 0.039 ms long)
^CAborted by signal Interrupt...
%[homecomp]:[/tmp/test]> arecord -f dat -D hw:CARD=CA0106 -t wav -d 5 --buffer-size=131072 test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
overrun!!! (at least 0.046 ms long)
^CAborted by signal Interrupt...
%[homecomp]:[/tmp/test]> arecord -f dat -D hw:CARD=CA0106 -t wav -d 5 --buffer-size=262144 test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
^CAborted by signal Interrupt...
%[homecomp]:[/tmp/test]> arecord -f dat -D hw:CARD=CA0106 -t wav -d 5 --buffer-size=262144 test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
overrun!!! (at least 0.039 ms long)
^CAborted by signal Interrupt...
%[homecomp]:[/tmp/test]> arecord -f dat -D hw:CARD=CA0106 -t wav -d 5 --buffer-size=524288 test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
^CAborted by signal Interrupt...
%[homecomp]:[/tmp/test]> arecord -f dat -D hw:CARD=CA0106 -t wav -d 5 --buffer-size=524288 test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
overrun!!! (at least 0.046 ms long)
^CAborted by signal Interrupt...
%[homecomp]:[/tmp/test]> arecord -f dat -D hw:CARD=CA0106 -t wav -d 5 --buffer-size=524288 test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
overrun!!! (at least 0.044 ms long)
^CAborted by signal Interrupt...

Ok, what about the original issue? I don't quite get what we are doing
here. It looks like we're debugging something completely unrelated, for
example, I don't use the digital output like iec958 and this game
doesn't capture sound so this is probably unrelated, too. I'm fine with
improving ALSA but all this looks like other bugs and should probably be
filed separately...

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Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1315212

Title:
  [CA0106 - CA0106, playback] Playback problem - Surround dies, no valid
  output

Status in ALSA driver:
  Confirmed
Status in alsa-driver package in Ubuntu:
  Incomplete

Bug description:
  This is tested against a Creative Labs Sounblaster live! (sb0410) card
  and a SoundBlaster Audigy se (sb0570). Both of them behave strangely,
  output coming through some, but not all speakers, etc. This was
  working in 13.10 under the sb0410. the ca0106 driver is the same for
  both cards.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic i686
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  joshp     30385 F.... pulseaudio
   /dev/snd/controlC0:  joshp     30385 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Thu May  1 21:37:12 2014
  InstallationDate: Installed on 2014-04-28 (3 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:CA0106 failed
  Symptom_Card: Built-in Audio - Intel ICH6
  Symptom_Type: None of the above
  Title: [CA0106 - CA0106, playback] Playback problem
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/03/2006
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A08
  dmi.board.name: 0G8310
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA08:bd03/03/2006:svnDellInc.:pnOptiPlexGX280:pvr:rvnDellInc.:rn0G8310:rvr:cvnDellInc.:ct3:cvr:
  dmi.product.name: OptiPlex GX280
  dmi.sys.vendor: Dell Inc.

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