Jon: Just to add to your findings. I discovered that with or without external screen, freezes do happen. I am running proposed archives so I noticed an update to X today. That might help the situation. So far so good but it has been a few hours only.
-- X locks up on Thinkpad X201 i5 Laptop https://bugs.launchpad.net/bugs/575186 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. _______________________________________________ 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