I have experienced this bug on the one computer in our lab with ATI
hardware. I believe it's a bug in some recent update since I am pretty
sure rviz was working previously.

On Fri, 2011-04-22 at 18:22 -0700, Nathaniel Lewis wrote:
> I have an ATI Radeon HD 5770 1GB with the latest drivers and I get
> this bug to.  Been keeping the up to date on their drivers but it
> hasn't been fixed in any version so far.  Nathaniel