This is a bug appearing with the 256.35 drivers but not with the 195.36.31.
If I go at this page :
with Flock 2.6.1.
Each time I try to scroll down or interact with the window, the screen goes black and comes back very quickly. It eventually lets the X server unresponsive, the only thing I can then do is move the mouse around the screen. I canít do CTRL+ALT+BKSPACE or CTRL+ALT+F1.
I can still close Flock when this starts but can do nothing if I go on too long.
Hereís my config :
GTX-280, Ubuntu Lucid 10.04 x86_64 version.
I first thought of a Compiz bug but it is the same with Metacity.
Workaround : use 195.36.31