Timo, I tried your libx11-packages-without-xcb (thanks to Mithrandir for pointing me to them) and I too can see a clear improvement.
(this is on a [EMAIL PROTECTED] and a Riva TNT2 Pro using nvidia-glx-legacy driver) -- Sluggish rendering since xorg 7.2 update https://launchpad.net/bugs/88815 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
