> I tried to jump to kernel 2.5.15 today, but with not much success... After 
> the usual boot I load the USB modules. The attached webcams are detected, but 
> when I try to get a picture, the program hangs. I can ^C it, but a second 
> attempt causes a 'D' process that's hanging in "down_i" (that's all 'ps' 
> gives me). Maybe a lock too much? I tried both uhci and usb-uhci. 

I saw much the same with usb-ohci and ohci-hcd... my conclusion
was that there's some problem in the video layer.  The video drivers
didn't compile for a long time due to the V4L changes; maybe they
compile now but don't yet work.

With cpia_usb, the first try blocked in "down_i"(nterruptible) but I
could ^C ... the second blocked forever in "down" and wedged
other parts of USB when I unplugged the device.

- Dave



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