Did the system actually lock up or did it just display the error message? Have you encountered this bug previously? Or only after updating to natty? Or only the one time? Are you able to reproduce it reliably?
** 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/763659 Title: [i915gm] GPU lockup (ESR: 0x00000011 PGTBL_ER: 0x00000100 IPEHR: 0x01000000) _______________________________________________ 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