Comment 241 for bug 1568604

$ uname -a
Linux ubuntu-bellera 4.4.0-36-generic #55~14.04.1-Ubuntu SMP Fri Aug 12 11:49:30 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

$ lsb_release -a
LSB Version: core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:core-4.1-amd64:core-4.1-noarch:security-4.0-amd64:security-4.0-noarch:security-4.1-amd64:security-4.1-noarch
Distributor ID: Ubuntu
Description: Ubuntu 14.04.5 LTS
Release: 14.04
Codename: trusty

1404_HWE_EOL applied
https://wiki.ubuntu.com/Kernel/LTSEnablementStack

$ dpkg -l | grep xorg-video-intel
ii xserver-xorg-video-intel-lts-xenial 2:2.99.917+git20160325-1ubuntu1~trusty1

Still having the problem!

Workaround (switch to tty, switch to tty7)

Ctrl+Alt+F1 Ctrl+Alt+F7