Even though upgrading ligtgdm to 1.8.5-0ubuntu1 seemed to solve the problem I am now experiencing the problem again.
Ubuntu 13.10 Graphics: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) xserver-xorg-video-intel 2:2.99.904-0ubuntu2.1 linux 3.11.0-15-generic -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1247189 Title: Ubuntu freezes completely when switching user To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1247189/+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