Hi, I recently updated from a generic uvc 640x480 camera to a Logitech C910 (up to 1080p) camera. I learnt early on that the C910 likes to chomp up the USB2.0 bandwidth so trying two cameras on the same bus is a mistake, even at lower resolutions.
The main problem I am having with the camera is that after a while it fails to work. I am using mjpg-streamer-r63 to bounce the mjpeg stream over the network. I restart mjpg_streamer every 5 seconds in a loop if it exits and subsequent attempts at restarting fail to initialize the uvc video source. Depending on kernel version I get 1, 2, or 7 days before this happens. (2.6.33 = 2 day, 2.6.34 = 1 week, >2.6.34 = 1 day, in particular 2.6.38 =~ 1 day). Is there a recommended way to reset the usb bus / uvc driver? I've tried a bunch of things in proc and sys but at the moment a system reboot is the only way I have found to bring back video. Perhaps a good candidate for the below if the usb controller is the cause? http://www.ideasonboard.org/uvc/faq/ Please let me know what information might be most useful in finding this bug.
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