Hello, I am trying to run rosrun rviz rviz for visualization. It is throwing an error as below: [ INFO] 1273592958.802614000: Loading general config from [/home/rootx/.rviz/config] [ INFO] 1273592958.803046000: Loading display config from [/home/rootx/.rviz/display_config] do_wait: drmWaitVBlank returned -1, IRQs don't seem to be working correctly. Try adjusting the vblank_mode configuration parameter. My card details are given below: 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) Regards, Prasad Dixit