Comment 124 for bug 411574

I'm using Karmic with some ppa(s) : alsa & pulseaudio backports from Lucid because i was having hard freezes due to alsa (karmic release).

But .xsession-errors is flooded by:
- ALSA lib pcm_dmix.c:1010:(snd_pcm_dmix_open) unable to open slave
and continue to freeze the system.

My codec is Realtek ALC882 & card is HDA Intel

Googling around, i've installed alsamixer to choose the right hardware (hda intel) instead of "default": that stopped the freeze problem. But still having pulseaudio complaint:

pulseaudio[2756]: sink-input.c: Failed to create sink input: sink is suspended.
pulseaudio[2756]: alsa-sink.c: Error opening PCM device front:0 busy ressource or hardware.

So, there is a problem with Alsa settings (use "default" instead of detecting hardware and codec).