(In reply to Peter S�tterlin from comment #16) > Indeed, I don't think this is the computer to run such benchmarks on, and I > also don't think the issue is the driver performance itself. To me it > rather looks like some race condition between Xorg and x11vnc. > Maybe it's worth opening a ticket on the libvnc github? Sure, you could try. Maybe they have an idea, what's going on here.