Ubuntu
pulseaudio package

  1. Bug #323976
  2. Comment #5

Comment 5 for bug 323976

Revision history for this message
Daniel T Chen (crimsun) wrote : Re: [Bug 323976] Re: pulseaudio: snd_pcm_avail_update() returned a value that is exceptionally large

On Fri, May 1, 2009 at 10:54 AM, Martin Emrich <email address hidden> wrote:
> I have pulseaudio 1:0.9.14-0ubuntu20.1  installed, and I still
> experience PA problems. Whenever there is high CPU load (compiling
> something, ...), My music stops, I hear only crackling noises and I see
> these messages:
>
> D: alsa-util.c: snd_pcm_avail_update() returned a value that is exceptionally large: 4611686018037680368 bytes (139430435728 ms) Most likely this is a Linux bug. Please report this issue to the ALSA developers.
> D: alsa-util.c: snd_pcm_avail_update() returned a value that is exceptionally large: 4611686018037637360 bytes (139430435646 ms) Most likely this is a Linux bug. Please report this issue to the ALSA developers.
>
> My soundcard:
> 00:14.2 Audio device [0403]: ATI Technologies Inc SBx00 Azalia (Intel HDA) [1002:4383]
>        Subsystem: Giga-byte Technology Device [1458:a022]

The snd_pcm_avail_update() messages are actually caused by mid-layer
ALSA pcm-lib bugs. Are you also using the kernel from jaunty-proposed
(2.6.28-12.43-generic)?

Also, note that there is a *separate* bug affecting cpu limit
behaviour in pulseaudio.