I had similar issue, and i have set the "Rendering Path" to "Copy" in "Advanced Beryl Options". Not sure if both the issues are related but worth giving it a try. Srikanth Scott van Looy wrote: > I have Beryl running under an old radeon and an oldish NVidia driver on > two PCs, but I try and get it running using the latest x64 stuff on FC6 > using the most recent kernel and livna NVidia kmod and when I try and > run it I get an entirely white screen. I've googled a bit and all I see > is references to this having been a problem and having since been fixed. > It's strange...any ideas anyone? Is this a known issue? >