This particular bug has been fixed it was a scheduler problem. The printout is a sanity check and there is many many different reasons for it to be printed. Your problem looks to be related to the X display driver. You should open a new bug for your problem.
-- INFO: task blocked for more than 120 seconds causes system freeze https://bugs.launchpad.net/bugs/276476 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs