*Hi, 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 [ INFO] [1283938896.034006139]: Loading general config from [/home/jolin/.rviz/config] [ INFO] [1283938896.034415712]: Loading display config from [/home/jolin/.rviz/display_config] (0) : fatal error C9999: *** exception during compilation *** Cg compiler terminated due to fatal error ===========================end of the error====================== Why this happened? Does anybody can help me? And the version of Cg compiler is 2.0. Thanks in advance! *