On Tuesday 25 September 2007, Alexandre DENIS wrote:
> On Saturday 22 September 2007, Laurent Pinchart wrote:
> > Kernel 2.6.22 includes bug fixes in the usbaudio driver that can
> > trigger another firmware bug in the webcam. Fortunately this one
> > seems to have a workaround, although not a pretty one.
> >
> > The webcam audio interface must be initialised before the video
> > interface. Linux will by default initialise the video interface
> > first, so you need to remove the uvcvideo.ko module from the
> > /lib/modules subdirectory where it gets loaded automatically, and
> > load it manually after plugging the webcam.
> >
> > This is not a pretty workaround as it requires manual operations
> > every time you plug the camera, but it should work.
>
> A cleaner solution is to add the following line in
> your /etc/modprobe.conf:
>
> install uvcvideo /sbin/modprobe
> usbaudio; /sbin/modprobe --ignore-install uvcvideo

It should also be noted that this will only work when plugging the webcam for 
the first time.

Laurent Pinchart
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