Same problem here.
Vlc, youtube, skype work fine for a while then sound stops.
I have Ubuntu Studio Lucid 10.4 (kernel 2.6.31-11-rt) upgraded from 8.04 on a Dell laptop XPS M1330 and all sounds worked fine for a couple of months after upgrade but about 3 weeks ago the sound breaks after a playing for while.
I've followed Temüjin instructions with asound.conf (http://ubuntuforums.org/showthread.php?t=1455816).
I've updated alsa with AlsaUpgrade-1.0.23-2.sh and the problem still persists.
Any ideas?
Thanks in advance.
fer
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