I think it's a amd64 problem. It happens on my amd64 installation, but I installed a new Hardy i386 and I don't get this top-of-screen corruption (using the nvidia 169.12 driver installed by jockey-gtk).
I think it's a amd64 problem. It happens on my amd64 installation, but I installed a new Hardy i386 and I don't get this top-of-screen corruption (using the nvidia 169.12 driver installed by jockey-gtk).