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From: Hans Petter Selasky <hselasky@c2i.net>
To: Jan Henrik Sylvester <me@janh.de>
Date: Mon, 18 Apr 2011 10:09:47 +0200
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Cc: multimedia-list freebsd <freebsd-multimedia@freebsd.org>
Subject: Re: webcamd regression 0.1.20->0.1.23: recv bulk message failed: -32
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On Sunday 17 April 2011 22:31:29 Jan Henrik Sylvester wrote:
> With webcamd-0.1.20_1, I could tune into a channel and watch TV almost
> every time using my 'WideView WT-220U PenType Receiver
> (Typhoon/Freecom)'. With webcamd-0.1.23, Kaffeine almost always hangs
> and Typhony ( http://raaf.atspace.org/dvbusb/ ) hangs switching channels.
> 
> I did debug builds from both versions. The output is identical until all
> the devices are created, but after that, 0.1.23 prints about once a
> second: 'dvb-usb: recv bulk message failed: -32'
> 
> The complete debug output is below in case it is interesting. The device
> has already had the firmware loaded (as it does not make a difference
> with which version of webcamd that is done).
> 
> This is all on 8.2-RELEASE/amd64 with all other ports up to date
> (including cuse4bsd-kmod-0.1.14).
> 
> Anything else, I should test?
> 
> Thanks,
> Jan Henrik

There was a kernel bugfix which might fix this issue. Could you cvs or svn up 
to 8-stable?

--HPS