In Bug #779753 (comment #18) somebody posted a link to a workaround which solved the issue for me on a Thinkpad T400s, 2.6.38-8-generic: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/779753/comments/26
In Bug #779753 (comment #18) somebody posted a link to a workaround which solved the issue for me on a Thinkpad T400s, 2.6.38-8-generic: https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/779753/ comments/ 26