Comment 40 for bug 1573959

It happened again for me as well. Macbook Pro mid/late 2013.
I personally don't think the mainline kernel is a valid option, since it defeats the purpose of a LTS release.

$ lspci -nn | grep VGA
00:02.0 VGA compatible controller [0300]: Intel Corporation Crystal Well Integrated Graphics Controller [8086:0d26] (rev 08)

$ uname -a
Linux <hostname> 4.4.0-47-generic #68-Ubuntu SMP Wed Oct 26 19:39:52 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

$ lsb_release -a
Distributor ID: Ubuntu
Description: Ubuntu 16.04.1 LTS
Release: 16.04
Codename: xenial