Comment # 5 on bug 91919 from Gary Lin

(In reply to Michel Dänzer from comment #4)
> > [  7195.649] (II) LoadModule: "glamoregl"
> > [  7195.649] (II) Loading /usr/lib64/xorg/modules/libglamoregl.so
> > [  7195.677] (II) Module glamoregl: vendor="X.Org Foundation"
> > [  7195.677] 	compiled for 1.17.2, module version = 0.6.0
> 
> You're using glamor from the old standalone tree. Does the problem also
> occur with glamor from the xserver tree?

Ah, right. I pulled in the old glamor to fix a dependency issue wrongly.
Changing to glamor from xserver works for me. Now everything works as expected.

Sorry for the noise and thank you for all the wonderful work :)