The above posted fix https://bugs.launchpad.net/ubuntu/intrepid/+source/linux/+bug/311716/comments/5 solves also the bug https://bugs.launchpad.net/ubuntu/+source/linux/+bug/319654 on my x300.
The above posted fix https:/ /bugs.launchpad .net/ubuntu/ intrepid/ +source/ linux/+ bug/311716/ comments/ 5 solves also the bug https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/319654 on my x300.