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Date:      Wed, 2 Dec 2009 10:29:38 +0100
From:      Hans Petter Selasky <hselasky@c2i.net>
To:        freebsd-usb@freebsd.org
Cc:        Todd Wasson <tsw5@duke.edu>
Subject:   Re: USB audio device can no longer play in freebsd 8.0-RELEASE; worked in 7.X
Message-ID:  <200912021029.39601.hselasky@c2i.net>
In-Reply-To: <4B4BF0C0-A1EA-4BF7-B1FA-E57C544CC954@duke.edu>
References:  <4B4BF0C0-A1EA-4BF7-B1FA-E57C544CC954@duke.edu>

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On Sunday 29 November 2009 22:40:10 Todd Wasson wrote:
> Hi, I've got a USB audio device that identifies itself in dmesg in 8.0-
> RELEASE like so:
> ugen6.2: <Thomson multimedia, Inc.> at usbus6
> uaudio0: <Thomson multimedia, Inc. Lyra Wireless 2.0.00, class 0/0,
> rev 1.00/10.00, addr 2> on usbus6
> uaudio0: No playback!
> uaudio0: No recording!
> uaudio0: No midi sequencer
> pcm3: <USB audio> on uaudio0
> uhid0: <Thomson multimedia, Inc. Lyra Wireless 2.0.00, class 0/0, rev
> 1.00/10.00, addr 2> on usbus6
>
> The "No playback!" line is the best part, since it's an output-only
> wireless transmitter.  Basically I've got an audio device that neither
> plays nor records.  Fantastic.  It played fine in 7.2-RELEASE.
>
> I think this may be a similar issue to the one reported originally on
> this list in May, here:
> http://lists.freebsd.org/pipermail/freebsd-usb/2009-May/006850.html .  That
> problem was resolved with a patch that was later rescinded as it broke
> other things.  I'm hoping for better luck.  Any ideas?
> Following the suggestions in that thread, I've captured the dmesg
> output with sysctl hw.usb.uaudio.debug=15, the uaudio related sysctls,
> and the output of usbconfig -u 6 -a 2 dump_curr_config_desc.  I've put
> them here:
>
> http://paste2.org/p/539116
> http://paste2.org/p/539119
> http://paste2.org/p/539120
>
> In related news, the OSS 4.2 port in the ports tree doesn't seem to
> build the oss_usb module.  Any ideas what's going on with this?  I'd
> be interested to try it and see if I got better results.

Hi,

I need some more time to look at this. Could you send me output from 
"usbconfig -u 6 -a 2 dump_curr_config_desc" like an e-mail attachment?

--HPS




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