Paul: run "uname -a" and see which Kernel you have. IMPORTANT: there is more than one freezing bug! The one relevant to this bug is exposed by the script posted above - don't keep commenting here if you have a different problem!
I will attach the script you need to run. On a kernel with the bug, this script usually produces a hard lock within a minute. ** Attachment added: "load_test_999910" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/999910/+attachment/3226710/+files/load_test_999910 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/999910 Title: [IVB]12.04 64 bit System freezes (mouse, keyboard) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/999910/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs