I have the same problem. After the updates from 11-16 I can not longer login to GDM on boot. I have used 10.10 since release without issue. I also have the ATI Radeon driver. No logs. If I stop GDM and start GDM in tty1 I sometimes can log in. X is ok. I can export a gnome-session to the display.
-- login with gdm fails. startx works https://bugs.launchpad.net/bugs/676501 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