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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