I managed to track down the cause of this problem. I'll try to get it fixed soon. It is indeed a bug in the NVIDIA X driver.
** Changed in: nvidia-graphics-drivers-96 (Ubuntu) Assignee: Daniel Dadap (ddadap) => Aaron Plattner (aplattner) ** Changed in: nvidia-graphics-drivers-96 (Ubuntu) Status: Triaged => In Progress ** Changed in: gdm (Ubuntu) Status: Confirmed => Invalid -- 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-X, which is subscribed to nvidia-graphics-drivers-96 in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp