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From: Daniela <dgw@liwest.at>
To: Geert Hendrickx <geert.hendrickx@ua.ac.be>,
	"George Vagner" <george@vagner.com>
Date: Sun, 25 Jan 2004 12:55:51 +0000
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cc: freebsd-questions@freebsd.org
Subject: Re: /dev/dsp: Device busy
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On Sunday 25 January 2004 09:51, Geert Hendrickx wrote:
> On Sunday 25 January 2004 02:46, George Vagner wrote:
> > if your dual booting i found you must turn off power before you boot into
> > bsd
> > something with windows on a "restart" dont fully reset the soundcard on
> > mine.
> > toshiba satellite S2805-401 P3 700 with yamaha 741 soundcard.
>
> No Windows involved here.  :-)
>
> Besides, it works fine when I reboot, it only stops working after a while.

Check out sysctl:
hw.snd.maxautovchans
hw.snd.pcm0.vchans

That way, you can give every app its own channel. No more busy soundcards.
There is one drawback: If you want just one app to be able to play sound at a 
time, you can only remove write permission for the other channels.

Daniela