Hi Joseph, the test kernel directory seems to be empty, however I tested 3.6rc5 (the most recent) and the machine locks up when changing the brightness setttings.
** Changed in: linux (Ubuntu Precise) Status: Incomplete => Confirmed ** Changed in: linux (Ubuntu Quantal) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/992720 Title: [Lenovo E420s] Hitting brightness keys causes machine to lock up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/992720/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs