Hi everyone,

I'm having trouble with my installation of gazebo.  I'm running  
revision 29196.  When I run roslaunch gazebo_worlds  
empty_world.launch I get the following errors:

Gazebo multi-robot simulator, version 0.9.0

Part of the Player/Stage Project [http://playerstage.sourceforge.net].
Copyright (C) 2003 Nate Koenig, Andrew Howard, and contributors.
Released under the GNU General Public License.

XRequest.156: BadMatch (invalid parameter attributes) 0x4000006
Error Loading Gazebo
/home/sosentos/ros/stacks/simulator_gazebo/gazebo/gazebo-svn/server/ 
Simulator.cc:205 : Exception: Error loading the GUI
/home/sosentos/ros/stacks/simulator_gazebo/gazebo/gazebo-svn/server/ 
rendering/OgreCreator.cc:685 : Exception: Unable to create the  
rendering window



[gazebo-1] process has died [pid 9260, exit code 255].
log files: /home/sosentos/.ros/log/69f1f528-52da-11df- 
be6f-00241dc18d36/gazebo-1*.log
all processes on machine have died, roslaunch will exit
shutting down processing monitor...
... shutting down processing monitor complete
done


Any advice would be much appreciated.

Sarah