This should be fixed in the latest Raring kernel (3.8.0-18.28).
http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-raring.git;a=commit;h=22c0bc2801540b486dd89db7abba99790a6ec876
This should be fixed in the latest Raring kernel (3.8.0-18.28).
http:// kernel. ubuntu. com/git? p=ubuntu/ ubuntu- raring. git;a=commit; h=22c0bc2801540 b486dd89db7abba 99790a6ec876