Hi Vinay,

It sounds like this is now an rviz problem. I would suggest emailing the
list with rviz in the title. Josh Faust is probably the guy who can help
out if there is a solution. But if you found your problem listed in
Troubleshooting, there may not be much you can do other than upgrade
rviz.

If you can see scans with rostopic then the driver is working.

Blaise

On Fri, 2010-07-09 at 18:39 -0700, Vinay K wrote:
> I just found from this link
> http://www.ros.org/wiki/rviz/Troubleshooting that my ubuntu doesn't
> support OpenGL. Any suggestion? like should I search for linux
> graphics driver corresponding to the hardware on my laptop??? or
> something else say installing OpenGL?
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