Has this issue occurred consistently since upgrading to natty or did it start just recently? Did it occur on maverick? You say when the scripts fail they fail different ways each time, can you elaborate?
Also, you could try installing this patched X driver from my PPA, which potentially could help with this family of hardware (let me know either way): https://launchpad.net/~bryce/+archive/fig ** Changed in: xserver-xorg-video-intel (Ubuntu) Status: New => Incomplete -- 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/765416 Title: [g41] GPU lockup (IPEHR: 0x01800002) _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

