Brian, are you using the nvidia driver from livna ? If so, try to switch to the driver from freshrpms.net. On 10/25/06 10:43 PM, "Brian Gaynor" <briang@xxxxxxxxxxx> wrote: > Added the option this morning, restarted X, and voila I was able to > enable the aiglx/comiz effects. So far it appears to be pretty stable on > my hardware. The only problem I have seen is with the nVidia tool > nvidia-settings - it crashes X. Met vriendelijke groet / Kind regards, Eric -- Eric Donkersloot Amsterdam, The Netherlands eric.donkersloot@xxxxxxxxx