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[முரளி (murali) <1274115@xxxxxxxxxxxxxxxxxx>]

I started experiencing this error recently. In my HP pavilion laptop,
Ubuntu freezes all of a sudden and becomes unusable that I need to
restart the machine. I could see the below errors in syslog that are
logged exactly when the freeze happens:

Feb 18 11:33:19 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: snd_pcm_avail() returned a value that is exceptionally large: 358640 bytes (2033 ms).
Feb 18 11:33:20 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Feb 18 11:33:21 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: snd_pcm_dump():
Feb 18 11:33:21 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: Soft volume PCM
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: Control: PCM Playback Volume
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: min_dB: -51
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: max_dB: 0
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: resolution: 256
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: Its setup is:
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   stream       : PLAYBACK
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   access       : MMAP_INTERLEAVED
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   format       : S16_LE
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   subformat    : STD
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   channels     : 2
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   rate         : 44100
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   exact rate   : 44100 (44100/1)
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   msbits       : 16
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   buffer_size  : 16384
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_size  : 8192
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_time  : 185759
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   tstamp_mode  : ENABLE
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_step  : 1
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   avail_min    : 8192
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_event : 0
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   start_threshold  : -1
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   stop_threshold   : 4611686018427387904
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   silence_threshold: 0
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   silence_size : 0
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   boundary     : 4611686018427387904
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: Slave: Hardware PCM card 1 'HDA Intel PCH' device 0 subdevice 0
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: Its setup is:
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   stream       : PLAYBACK
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   access       : MMAP_INTERLEAVED
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   format       : S16_LE
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   subformat    : STD
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   channels     : 2
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   rate         : 44100
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   exact rate   : 44100 (44100/1)
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   msbits       : 16
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   buffer_size  : 16384
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_size  : 8192
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_time  : 185759
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   tstamp_mode  : ENABLE
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_step  : 1
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   avail_min    : 8192
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_event : 0
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   start_threshold  : -1
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   stop_threshold   : 4611686018427387904
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   silence_threshold: 0
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   silence_size : 0
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   boundary     : 4611686018427387904
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   appl_ptr     : 30696156
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   hw_ptr       : 30769432
Feb 18 11:33:22 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: snd_pcm_delay() returned a value that is exceptionally large: -706448 bytes (-4004 ms).
Feb 18 11:33:23 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Feb 18 11:33:23 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: snd_pcm_dump():
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: Soft volume PCM
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: Control: PCM Playback Volume
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: min_dB: -51
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: max_dB: 0
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: resolution: 256
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: Its setup is:
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   stream       : PLAYBACK
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   access       : MMAP_INTERLEAVED
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   format       : S16_LE
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   subformat    : STD
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   channels     : 2
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   rate         : 44100
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   exact rate   : 44100 (44100/1)
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   msbits       : 16
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   buffer_size  : 16384
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_size  : 8192
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_time  : 185759
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   tstamp_mode  : ENABLE
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_step  : 1
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   avail_min    : 8192
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_event : 0
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   start_threshold  : -1
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   stop_threshold   : 4611686018427387904
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   silence_threshold: 0
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   silence_size : 0
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   boundary     : 4611686018427387904
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: Slave: Hardware PCM card 1 'HDA Intel PCH' device 0 subdevice 0
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c: Its setup is:
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   stream       : PLAYBACK
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   access       : MMAP_INTERLEAVED
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   format       : S16_LE
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   subformat    : STD
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   channels     : 2
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   rate         : 44100
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   exact rate   : 44100 (44100/1)
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   msbits       : 16
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   buffer_size  : 16384
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_size  : 8192
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_time  : 185759
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   tstamp_mode  : ENABLE
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_step  : 1
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   avail_min    : 8192
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   period_event : 0
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   start_threshold  : -1
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   stop_threshold   : 4611686018427387904
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   silence_threshold: 0
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   silence_size : 0
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   boundary     : 4611686018427387904
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   appl_ptr     : 30750660
Feb 18 11:33:24 Mukani pulseaudio[4637]: [alsa-sink-ALC3227 Analog] alsa-util.c:   hw_ptr       : 30927272

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https://bugs.launchpad.net/bugs/1274115

Title:
  snd_pcm_avail() returned a value that is exceptionally large

Status in pulseaudio package in Ubuntu:
  New

Bug description:
  Sometimese sound begins stutter while listen to music or watching youtube. In syslog I see:
  Jan 29 16:31:08 bazilio-laptop pulseaudio[2155]: [alsa-sink-ALC271X Analog] alsa-util.c: snd_pcm_avail() returned a value that is exceptionally large: 866944 bytes (4914 ms).
  Jan 29 16:31:08 bazilio-laptop pulseaudio[2155]: [alsa-sink-ALC271X Analog] alsa-util.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.

  I'm using Kubuntu 13.10
  $ uname -a
  Linux bazilio-laptop 3.11.0-15-generic #23-Ubuntu SMP Mon Dec 9 18:17:04 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
  $ kde4-config --version
  Qt: 4.8.4
  KDE Development Platform: 4.12.0
  kde4-config: 1.0
  $ pulseaudio --version
  pulseaudio 4.0
  $ alsactl --version
  alsactl version 1.0.27.1

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