I have Quantal kernels built with 899b550 "drm/i915: GFX_MODE Flush TLB Invalidate Mode must be '1' for scanline waits" reverted.
Please test the appropriate kernel for your configuration and let us know if they resolve this issue for you. They can be found at: http://people.canonical.com/~bradf/lp1140716/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1140716 Title: [regression] 3.5.0-26-generic and 3.2.0-39-generic GPU hangs on Sandybridge To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1140716/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs