I too have had this issue for quite some time. Today came a new kernel I updated and hoped there had been some improvement. No. Then found this and used the kernel on #64. That works now fine. Really nice to use the computer without the continues popups.
uname -a Linux xx-ThinkPad-X1 3.5.0-27-generic #47~lp1140716 SMP Wed Apr 3 00:11:06 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Thanks to Brad Figg for help. -- 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