glxgears, chromium etc. run fine. The problems is these error messages, $ glxinfo > /dev/null libGL error: failed to create dri screen libGL error: failed to load driver: nouveau How can I make them go away? I tried everything. P.S., also /var/log/Xorg.0.log [ 37.195] (EE) AIGLX error: Calling driver entry point failed