[intrepid] Sound dropping (ICH8 Digital out)

[Slawomir Gajowniczek]

Sound issues started after Intrepid upgrade. I use digital out on my dock station. My /etc/modprobe.d/alsa-base file contains additional "options snd-hda-intel model=3stack-660-digout position_fix=1" line. It enables my IEC958 out. Since intrepid gnome-volume-control has additional IEC968 Default PCM which I've also enabled.

Typical scenarios
a)
1. Launching Rhythmbox and playing Internet radio
2. Launching Tremulous game.
After ~30 min sound fails with snipper sound effect, and Tremulous logs "sound dropping". Finally everything def.

b)
Closing laptop's lid.

I spotted only one implication. The gnome-volume-control misses some audio devices (after), while gnome-sound-properties contains all of them. When default (detect automatically) enabled - sound plays only from built-in speakers. If I change device to my HDA Intel ALC-660VD Digital (ALSA) and test it - sound keeps playing. If I play an aplay wav file or Totem etc. it also plays well.

I thought that it is a system wide issue including pulseaudio, alsa, gstreamer and drivers. However I did notice that when I restart gdm session everything comes back to normal.

=======INFO=======
Description: Ubuntu 8.10
Release: 8.10

Linux kebe-laptop 2.6.27-7-generic #1 SMP Wed Oct 22 01:30:40 UTC 2008 x86_64 GNU/Linux
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