Public bug reported:
Previously discussed at http://ubuntuforums.org/showthread.php?t=313755,
this bug presents itself to Edgy Eft users, perhaps only ones who
upgraded from Dapper.
These commands pretty much tell the story:
$ sudo fuser /dev/dsp
$ sudo lsof /dev/dsp
$ sudo cat /dev/urandom > /dev/dsp
bash: /dev/dsp: Device or resource busy
$
The result is that any program dependent on sound is unable to speak
with the sound card. After a period of time it will reset itself and
sound is restored until it next freezes up. It affects systems using OSS
and ALSA.
If the user logs out and back in, sound is restored for a time.
The only thing I see related to sound in 'ps ax' when the /dev/dsp is busy is a
couple esd lines:
$ ps ax|grep esd
6322 ? Ss 0:00 /bin/sh -c /usr/bin/esd -terminate -nobeeps -as 1
-spawnfd 19
6323 ? SL 0:06 /usr/bin/esd -terminate -nobeeps -as 1 -spawnfd 19
** Affects: Ubuntu
Importance: Undecided
Status: Unconfirmed
--
/dev/dsp busy, but no program using it
https://launchpad.net/bugs/76876
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