A month has gone by without reproduction, so let's give it another couple then retire the bug. The heart of the issue I believe is a race with GPU reset, of which there are more patches that have gone into v3.9.
** Changed in: xserver-xorg-video-intel (Ubuntu) Status: Triaged => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1117563 Title: X hard lockup in raring, can't even switch VTs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1117563/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs