Generally this means that your video card isn't supported, but try running
as root using sudo and see if that allows it to function, because that has
been an issue for me before.

http://www.ros.org/wiki/simulator_gazebo/SystemRequirements

Hope that helps,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
William Woodall
Graduate Software Engineering
Auburn University
w@auburn.edu
wjwwood@gmail.com
256-345-9938
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


On Wed, Jun 16, 2010 at 2:54 PM, Sebastian Castro <sac77@cornell.edu> wrote:

> Hi,
>
> I'm trying to run the empty worlds on both Player Stage and Gazebo, but I
> get the same error on both occasions.
>
> Xlib:  extension "GLX" missing on display ":0.0".
> Insufficient GL support
>
> Has anyone encountered this and/or knows how to fix it? Thank you!
>
> --
> Sebastian Castro
> Mechanical & Aerospace Engineering
> Cornell University, Class of 2010
>
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