Comment # 2 on bug 106441 from kaspar.tint@gmail.com

Can verify that this issue has resolved it self for me after the upgrade of
these components:

gnome -> 3.28.1
mesa -> 18.0.3
linux -> 4.16.9
xorg -> 1.20

Might have been the mesa update but could be the combination of them? I don't
know...