In the meantime instead of modifying your boot command line you could test the 3.13 ppa that contains the fix that will eventually make it into the updated kernel.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1338706/comments/34
In the meantime instead of modifying your boot command line you could test the 3.13 ppa that contains the fix that will eventually make it into the updated kernel.
https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1338706/ comments/ 34