In http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-quantal/ it is working properly.
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-raring/ has the bug.
In http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v3.6-quantal/ it is working properly.
http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v3.7-raring/ has the bug.