Comment 36 for bug 1674838

Thanks for testing Chris. So this bug really only seems to be happening with Ubuntu kernels and not Upstream ones. We should test some earlier Zesty kernels, so we can get a last good version and first bad version. That will allow us to bisect. Can you next test the following last 4.9 based Zesty kernel:

https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/ppa/+build/11948001