Actually, I'm thinking this is not compiz-specific (because it also happens with mutter), and that this is a duplicate of bug #414240 ... please check?
-- [i915gm] [Karmic] X freezes when using compiz on external monitor https://bugs.launchpad.net/bugs/441873 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