I have this bug too, with NVidia proprietary driver 180.44 downloaded from their website.
I also have a bug with Xinerama and my laptop's touchpad, appeared when I upgraded to 9.04. Maybe is it linked ? https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-180/+bug/366844
I have this bug too, with NVidia proprietary driver 180.44 downloaded from their website.
I also have a bug with Xinerama and my laptop's touchpad, appeared when I upgraded to 9.04. Maybe is it linked ? /bugs.launchpad .net/ubuntu/ +source/ nvidia- graphics- drivers- 180/+bug/ 366844
https:/