> > The output of this piece of code is just "Opening sound 
> device...". We're pretty sure that we're closing the device 
> correctly before this happens.
> > 
> > Any ideas?
> 
> It looks like that another task uses given device (perhaps 
> some daemon 
> like arts).

Is there a way to
  a) find out who's using it? and/or
  b) tell snd_pcm_open() to return with an error in this case?

  Uli

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