(In reply to Mindaugas Baranauskas from comment #12) > (In reply to Mindaugas Baranauskas from comment #11) > > Created attachment 804865 [details] > > screenshot - works fine with Driver "modesetting"; Option "AccelMethod" > > "none" in /etc/X11/xorg.conf.d/50-device.conf > > > > In this case xf86-video-ati was installed again. It shouldn't matter if it is installed as long as "modesetting" driver is really being used ...