Public bug reported:

Binary package hint: pulseaudio

I've recently upgraded from Lucid to Maverick and the sound system does
not work properly anymore. After a few minutes playing sounds, the sound
output will stutter then stop, and the system will become sluggish. If
I'm fast enough in killing pulseaudio (pulseaudio -k), I recover a
working system and sound too. Otherwise, the system will hang hard; not
even SysRq magic is working.

The hardware is a motherboard chipset: 00:1b.0 Audio device: Intel
Corporation 82801JI (ICH10 Family) HD Audio Controller.

The working system was kernel 2.6.32-25 and pulseaudio 
1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu14.
The nonworking system is kernel 2.6.35-22 and pulseaudio 
1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu21.

Unfortunately, the logs do not contain anything relevant at the time the
system breaks down. In case it helps, there is the following message at
system start though (which I didn't have in Lucid):

Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c: snd_pcm_avail_delay() 
returned strange values: delay 0 is less than avail 16.
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c: Most likely this is a bug 
in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA 
developers.
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c: snd_pcm_dump():
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c: Soft volume PCM
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c: Control: PCM Playback 
Volume
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c: min_dB: -51
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c: max_dB: 0
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c: resolution: 256
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c: Its setup is:
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   stream       : CAPTURE
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   access       : 
MMAP_INTERLEAVED
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   format       : S16_LE
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   subformat    : STD
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   channels     : 2
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   rate         : 44100
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   exact rate   : 44100 
(44100/1)
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   msbits       : 16
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   buffer_size  : 88192
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   period_size  : 44096
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   period_time  : 999909
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   tstamp_mode  : ENABLE
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   period_step  : 1
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   avail_min    : 87310
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   period_event : 0
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   start_threshold  : -1
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   stop_threshold   : 
6205960286516543488
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   silence_threshold: 0
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   silence_size : 0
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   boundary     : 
6205960286516543488
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c: Slave: Hardware PCM card 
0 'HDA Intel' device 0 subdevice 0
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c: Its setup is:
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   stream       : CAPTURE
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   access       : 
MMAP_INTERLEAVED
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   format       : S16_LE
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   subformat    : STD
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   channels     : 2
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   rate         : 44100
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   exact rate   : 44100 
(44100/1)
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   msbits       : 16
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   buffer_size  : 88192
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   period_size  : 44096
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   period_time  : 999909
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   tstamp_mode  : ENABLE
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   period_step  : 1
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   avail_min    : 87310
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   period_event : 0
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   start_threshold  : -1
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   stop_threshold   : 
6205960286516543488
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   silence_threshold: 0
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   silence_size : 0
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   boundary     : 
6205960286516543488
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   appl_ptr     : 87304
Oct 12 10:08:41 saline pulseaudio[1726]: alsa-util.c:   hw_ptr       : 87304

** Affects: pulseaudio (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Hang when playing sounds (82801JI) after upgrading to maverick
https://bugs.launchpad.net/bugs/659030
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