Comment 13 for bug 947544

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In , Michael Gratton (mjog) wrote :

It's easy to reproduce using Gazebo.

1. Install Gazebo: http://gazebosim.org/wiki/1.6/install
2. Run gzserver in one terminal
3. Run gzclient in another

Both processes use OpenGL, but only gzclient displays a gui. Starting gzserver will result in this error, but only occasionally. Starting gzclient will result in the error more frequently - perhaps once in every 5-10 invocations. Closing the gzclient window will also often produce the error.