Here's the info on the currently working version of my intel driver too, which forgot to include in the last comment - note this is the version from the ubuntu-x-swat ppa repository - instructions for installing this above...
$ apt-show-versions -a xserver-xorg-video-intel xserver-xorg-video-intel 2:2.7.1-0ubuntu1~xup~1 install ok installed xserver-xorg-video-intel 2:2.6.3-0ubuntu9 jaunty archive.ubuntu.com xserver-xorg-video-intel 2:2.6.3-0ubuntu9.3 jaunty-updates archive.ubuntu.com xserver-xorg-video-intel 2:2.7.1-0ubuntu1~xup~1 unknown ppa.launchpad.net xserver-xorg-video-intel/unknown uptodate 2:2.7.1-0ubuntu1~xup~1 -- UXA Sporadic Freezes on Sony Vaio with 855GM https://bugs.launchpad.net/bugs/423663 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