For me, the reason for this was Keytouch. After removing it X shuts down normally. When Keytouch was still installed (and was causing the problems), logging out caused my .xsession-errors to get filled with the following lines repeating
PID TTY STAT TIME COMMAND 5690 ? S 0:00 keytouchd I'll attach my xsession-errors for possible clues, in case Keytouch isn't really the guilty one here. ** Attachment added: "xsession-errors" http://launchpadlibrarian.net/14154117/xsession-errors -- X doesnt shut down. Requires CTRL ALT BACKSPACE to kill it so it can shut down https://bugs.launchpad.net/bugs/192994 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs