This might be related to #410513. After using the workaround (blacklisting uvcvideo) usb worked again, and the login screen didn't flicker at login. This could also just be a coincidence.
-- screen brightness flickers at login screen https://bugs.launchpad.net/bugs/423873 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
