I have pulled the patch from comment #9 back to precise and built some test kernels. If those of you who can reproduce this issue can test the kernels at the URL below and confirm whether this fixes things:
http://people.canonical.com/~apw/lp981261-precise/ Please report any testing back 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 Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/981261 Title: [sandybridge-m-gt2] GPU lockup render.IPEHR: 0x78170003 To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/981261/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs