Comment 7 for bug 1475166

Ok let's try one more kernel. So get machine into working state with 14.10, then install the following v4.1 kernel:
https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/ppa/+build/7714824

If this also fails, we'll need to either bisect between v3.16..v3.19, and or try and figure out which patch causes the regression.
Thanks,