This bug seems to be the same as #720799. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/720799
I'm not sure which of the two reports should be marked as a duplicate of the other though.
This bug seems to be the same as #720799. /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/720799
https:/
I'm not sure which of the two reports should be marked as a duplicate of the other though.