[alsa-devel] alsa-util.c: snd_pcm_avail() returned a value that is exceptionally large: 675220 bytes (3827 ms).

[Raymond Yau]

2011/1/21 support <support at san.ru>

>
>
> alsa-util.c: snd_pcm_avail() returned a value that is exceptionally large:
> 675220 bytes (3827 ms).
> alsa-util.c: Most likely this is a bug in the ALSA driver 'snd_emu10k1'.
> Please report this issue to the ALSA developers.
>
>
>
> http://www.alsa-project.org/db/?f=641d9cb90af2e47e527c2912bee4e34bff41b87b
>
> # rpm -qa | grep alsa
> alsa-lib-devel-1.0.23-2.fc14.i686
> alsa-plugins-pulseaudio-1.0.22-1.fc13.i686
> alsa-utils-1.0.23-3.fc14.i686
> alsa-lib-1.0.23-2.fc14.i686
>
> # uname -a
> Linux wp.san.ru 2.6.35.10-74.fc14.i686 #1 SMP Thu Dec 23 16:17:40 UTC 2010
> i686 i686 i386 GNU/Linux
>
>
>
This is underrun occur in PA server  since hw_ptr is ahead of appl_ptr and
( 978317001 978195372) > buffer size  16384

Jan 21 10:55:20 wp pulseaudio[2393]: alsa-util.c: Slave: Hardware PCM
card 0 'SB Live! [Unknown]' device
0 subdevice 0
Jan 21 10:55:20 wp pulseaudio[2393]: alsa-util.c: Its setup is:
Jan 21 10:55:20 wp pulseaudio[2393]: alsa-util.c:   stream       : PLAYBACK


Jan 21 10:55:20 wp pulseaudio[2393]: alsa-util.c:   buffer_size  : 16384
Jan 21 10:55:20 wp pulseaudio[2393]: alsa-util.c:   period_size  : 16384

Jan 21 10:55:20 wp pulseaudio[2393]: alsa-util.c:   appl_ptr     : 978195372
Jan 21 10:55:20 wp pulseaudio[2393]: alsa-util.c:   hw_ptr       : 978317001