This problem started happening on my Dell XPS M1330 after upgrading to 10.10. The fix is to build and install the latest version of uvcvideo as described here: http://ubuntuforums.org/showthread.php?t=844580
-- uvcvideo failed to query Microdia Sonix webcam (0c45:62c0) https://bugs.launchpad.net/bugs/603346 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs