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From: Hans Petter Selasky <hselasky@c2i.net>
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Cc: freebsd-multimedia@freebsd.org, gavin@freebsd.org
Subject: Re: usb/156726: [snd_uaudio]: snd_uaudio(4) fails to detach when
	mixer is open
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On Thursday 16 August 2012 14:54:00 gavin@freebsd.org wrote:
> Synopsis: [snd_uaudio]: snd_uaudio(4) fails to detach when mixer is open
> 
> Responsible-Changed-From-To: freebsd-multimedia->freebsd-usb
> Responsible-Changed-By: gavin
> Responsible-Changed-When: Thu Aug 16 12:53:15 UTC 2012
> Responsible-Changed-Why:
> This sounds potentially like a USB stack issue to me.
> 
> http://www.freebsd.org/cgi/query-pr.cgi?pr=156726

This is not a USB stack problem, but a sound system issue.

This is a known issue.

--HPS