What I need to run Xgl ?
– you need a fast computer (1Ghz minimum) – you need a graphic card in this list – install laster Nvidia (or ATI, Intel) drivers – upgrade your distrib (apt-get update && upgrade) – having gnome 2.12 or higher (apt-get install gnome-desktop-environment) – having kernel 2.6.12 or higher – be sure you have Xorg 6.8 or higher.