I have pulled the patch mentioned in comment #4 back to precise and built some test kernels. If those affected could test the kernels at the URL below and let us know if they fix the issue for you. Kernels are at the URL below:
http://people.canonical.com/~apw/lp839976-precise/ Please report any testing here. ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => 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/839976 Title: [i915gm] False GPU lockup EIR: 0x00000002 render.IPEHR: 0x01000000 To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/839976/+subscriptions _______________________________________________ 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