Reproduced on: Linux cchiappa-lnx 4.13.0-1-amd64 #1 SMP Debian 4.13.13-1 (2017-11-16) x86_64 GNU/Linux Linux cchiappa-lnx 4.12.0-1-amd64 #1 SMP Debian 4.12.6-1 (2017-08-12) x86_64 GNU/Linux
so presumably not kernel related, will investigate downgrading xorg components
