Try this PPA https://launchpad.net/~bryce/+archive/fig and reboot
Let me know if the system stops freezing after installing this or not, and attach a fresh copy of your dmesg and /var/log/Xorg.0.log. ** 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/766178 Title: [i915gm] GPU lockup (ESR: 0x00000001 IPEHR: 0xffdfd7cf) _______________________________________________ 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