Comment # 3 on bug 101976 from Pablo Estigarribia

fedora 26. 
uname -a
Linux bpowerhome 4.12.4-300.fc26.x86_64 #1 SMP Thu Jul 27 23:09:13 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux


tried with mesa from repositories (17.1.5) and che/mesa che/llvm copr
repositories (17.3). (the latests one is the one in the logs). 

trying glmark2 got random blank screens, sometimes with grey (lock screen). 

This seems to be same on wayland or xorg session.