Have a look at the bug in gnome: http://bugzilla.gnome.org/show_bug.cgi?id=354767#c5
It was closed, apparently the Composite X extension in nVidia is buggy. That would probably explain why the bug went away when the new driver was installed. -- gnome-terminal does not start when using xinerama and nvidia https://launchpad.net/bugs/58232 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs