In case it helps anyone to reproduce this issue, I've run into this problem using Gutsy in a virtual machine running on VMWare Server. The "Screens and Graphics" app lists the driver as "vmware - VMWare virtual video cards". The machine was formerly running Feisty and has been upgraded to Gutsy.
In case it helps anyone to reproduce this issue, I've run into this problem using Gutsy in a virtual machine running on VMWare Server. The "Screens and Graphics" app lists the driver as "vmware - VMWare virtual video cards". The machine was formerly running Feisty and has been upgraded to Gutsy.