Logitech HD Webcam Pro c910 && snd_uaudio does not work

[Hans Petter Selasky]

On Sunday 13 May 2012 18:24:18 Matthias Apitz wrote:
> El día Sunday, May 13, 2012 a las 06:07:33PM +0200, Hans Petter Selasky 
escribió:
> > > May 13 17:23:12 tinyCurrent kernel: pcm1: chn_read():
> > > pcm1:virtual:dsp1.vr0: record interrupt timeout, channel dead
> > > 
> > > ...
> > 
> > It might be a race. Try to delay starting webcamd, after snd_uaudio is
> > loaded. I remember someone reported a similar issue to me, and the
> > solution was that snd_uaudio must do some commands before the webcamd is
> > started. Else it doesn't work. This is a bug in the Webcam itself.
> 
> I inserted a 'sleep 3' in /usr/local/etc/rc.d/webcamd before the start
> of webcamd (and /var/log/messages showes that it is delayed). But this
> does not help.
> 
> 	matthias

Hi,

Maybe you can try to capture an USB trace using "usbdump -i xxx -f y -s 65536" 
under FreeBSD and compare with the output from similar utility on Linux.

--HPS