I have this "undocking without turning off ext. monitor" issue, too (I am using the 2.6.38-11 stock kernel). Ok, but apart from that, using the 3.0 kernel solves the random hardlocks? That would already be a huge improvement. I'll maybe give it a try later.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/792849 Title: Lenovo ThinkPad T420 random hardlocks with Sandy Bridge graphics To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/792849/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
