I run into this problem myself. System completely frozen, took me a while to figure that out. Also, the cam was not working properly even before filling up the system with useless warnings. I can't believe that after more than ten years the problem still persists.
The solution is to apt-get remove uvcdynctrl uvcdynctrl-data libcamweb0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/811604 Title: uvcdynctrl spams uvcdynctrl-udev.log and fills up filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libwebcam/+bug/811604/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs