Comment 5 for bug 1139272

> Please test the latest v3.8 kernel[0]
You probably mean 3.9. Unfortunately, 3.9 packages still not available in kernel-ppa. There http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.9-rc1-raring/ is just one package at this moment. I will check this issue with Linux 3.9 when deb packages will be available.