Thanks for your message Joseph. I've just tested with the kernel from http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-rc4-saucy/ and the problem persists so, as requested, I've tagged this with kernel-bug-exists-upstream.
Thanks for your message Joseph. I've just tested with the kernel from http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v3.12-rc4- saucy/ and the problem persists so, as requested, I've tagged this with kernel- bug-exists- upstream.