I have a issue with the uvcvideo driver running on sparc64. The device comes up as /dev/video0. I can take pictures using cheese(gnome app), but I cannot access the device using opencv. I this problem may be related to the "kernel unaligned memory access", but I haven't really looked into it. In any reason, I figure you should be aligning your memory accesses anyhow, and this may be of interest.
This affects both my 'Logitech Quickcam Pro', and 'Logitech Quickcam', I can supply model numbers if needed. I've attached a dmesg log with the relevant section. My kernel is 2.6.26-1/sparc64/smp
UVCVideoKernelBug.rtf
Description: RTF file
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