Hi Paolo,

On Sunday 24 April 2011 15:07:59 Paolo Casaschi wrote:

[snip]

> After enabling the webcam, this is the kernel.log when I start cheese:
> 
> Apr 24 13:53:00 paolo-lapfour kernel: [44257.278402] uvcvideo: UVC non
> compliance - GET_MIN/MAX(PROBE) incorrectly supported. Enabling
> workaround.
> Apr 24 13:53:00 paolo-lapfour kernel: [44257.313941] uvcvideo: device
> USB2.0 Camera requested null bandwidth, defaulting to lowest.

That's the interesting part. Could you please try settings the quirks 
parameters 2 to when loading the uvcvideo driver ?

modprobe -r uvcvideo
modprobe uvcvideo quirks=2

This should get rid of the non compliance message (please check the kernel log 
to make sure it does). If that still doesn't help, try quirks=128 instead.

-- 
Regards,

Laurent Pinchart
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