Ubuntu
pulseaudio package

  1. Bug #394500
  2. Comment #75

Comment 75 for bug 394500

Revision history for this message
Peter Meiser (meiser79) wrote : Re: [Karmic] processes holding /dev/dsp* or /dev/snd/pcm* cause "pulseaudio: card not found - Null Output / Dummy Output"

You don't have post your details. The problem is already known upstream as mentioned above (see http://www.pulseaudio.org/ticket/681). It's just a matter of time when this issue will be solved.