[Xen-users] USB WebCam in DomU

[Michael Bhola <mike@xxxxxxxxxxxxxx>]

I realise that this is probably very hardware specific but I've run out 
of ideas. It's a Logitech Quickcam Pro 3000 using the pwc driver. It 
works in Dom0 and in a DomU seems to communicate properly with the 
camera up to the point it actually tries to grab an image when I get:
Frame buffer underflow (3680 bytes); discarded.

repeated multiple times with different byte counts.

The only real difference that I can see between Dom0 and DomU is that I 
am having to use swiotlb=force swiotlb=8m otherwise I get an oops. This 
is all on 3.0.2. I seem to remember reading about a USB frontend/backend 
style driver in the works. Is this in 3.0.3 or further down the line ?
Regards,
   Mike

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