Can you give this kernel a shot? it's the latest with eb1711bb94991e93669c5a1b5f84f11be2d51ea1 reverted which has been reported to cause this other places
http://kernel.ubuntu.com/~sarvatt/lp903654/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/903654 Title: [i915] x200s locks up hard about once an hour To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/903654/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs