> *
>     I'm using ROS C Turtle on ubuntu 9.04 with bit32. When I start rviz
> with the command "run rviz rviz", then the rivz is crashed. And the errors
> as follow:
>  ==========================error==============================
> get fences failed: -1
> param: 6, val: 0
> *


Intel graphics cards don't work well on 9.04.  The only known workaround is
to upgrade to 9.10+

http://www.ros.org/wiki/rviz/Troubleshooting#Segfault_in_i915_dri.so

Josh