I add this problem with gnome shell. To boot again properly, I had to log in with ALT+F1, and with apt-get, remove gdm and reinstall lightdm, which did not cause any problem at the next reboot.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/803992 Title: Natty update introduced crasher in xorg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm/+bug/803992/+subscriptions _______________________________________________ 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