Same here. It seems to be triggered by the appearance of the password field itself: if you choose to enter a username you can do that fine, but as soon as you hit return to get to password entry gdm restarts.
-- Mouse and keyboard stop working after selecting user https://bugs.launchpad.net/bugs/553200 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs