When I run glxgears as me I get this
libGL error: failed to open DRM: Operation not permitted
libGL error: reverting to (slow) indirect rendering
If I run it as root, I don't get this message, and I get much faster
rates. I know the solution to this is supposed to be to set
permissions correctly, but I already have this in my XF86Config:
So I'm mystified. Any advice?