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Date: Tue, 19 Apr 2011 10:58:29 +0300
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Subject: Re: ZFS on USB / Sound on alienware m11x
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On Mon, 2011-04-18 at 19:23 +0000, Gautham Ganapathy wrote:
> > Under /dev, I can see six devices dsp0.0,dsp1.1,dsp2.1,dsp3.1,dsp4.0
> > and dsp5.1. I tried playing an mp3 file using mpg123 and gave each of
> > these devices using the -a option, but none of them worked. The output
> > tab under the GNOME sound preferences shows the devices dsp0, dsp1,
> > dsp2, dsp3, dsp4 and dsp5. None of them seem to work either.
> >
> > Any ideas on how to get the wound working?
> >
> > Gautham
> >
> 
> Update: This is strange. Apparently, sound works under VLC (default
> settings) , but not on Totem, flash or mpg123.

I had the same problem. Sound is being sent to /dev/dsp0 by default,
which is the NV card. Try setting hw.snd.default_unit with sysctl.
Probably "sysctl hw.snd.default_unit=4" would work, from what I see, you
should hear sound if you cat a file to /dev/dsp4.