Wilsonag from the forums suggests that reinstalling the nvidia driver fixes things, since any OpenGL activity crashes X. He suggests testing with glxgears.
Could you please let us know if that crashes things? If that does, this would be more likely an nvidia driver error and will be reassigned. -- Ubuntu Dapper screen saver crashes X server https://launchpad.net/bugs/79160 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs