Ubuntu
xorg-server package

  1. Bug #1780449
  2. Comment #5

Comment 5 for bug 1780449

Revision history for this message
Daniel van Vugt (vanvugt) wrote :

In that case please start by trying older versions of mesa to see if that caused the problem.

I would hazard a guess that downgrading to the previous version:
 https://launchpad.net/ubuntu/+source/mesa/17.2.8-0ubuntu0~16.04.1
might fix the problem...?