Originally Posted by dgrafenhofer
I got a laptop, just not one with an overkill of a GPU, because you know, I want a portable laptop that's not a mobile furnace.
Anyway, the driver does not work with KDE4 desktop effects; guess they never fixed the issue. Enabeling the effects causes a black screen (system remains responsive though, so you can still exit to a console just fine). I expect the issues with Compiz are there too. Driver also has the "new" 2D accel. method, though it's still very buggy and slow in this driver revision to be of any practical use. If you still want to try it out, as root:
... and restart X. To revert to old method:
At least packaging for Karmic works now.