I get the same problem and it started immediately after I ran an update which updated GDM, xorg might also have been updated but I am not sure.
-- gdm uses incorrect resolution https://bugs.launchpad.net/bugs/216871 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