Error writing data to buffer: urdf model in rviz

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I am trying to spawn a URDF model in RVIZ. However, rviz only displays the axes of each link and thus I cannot see the links. These links are build up from .stl files.

Furthermore I get the following error message in my terminal: ../../intel/intel_bufmgr_gem.c:1158: Error writing data to buffer 67: (0 135936) Bad address .

My computer is a Lenovo Thinkpad T510. It has an i5 processor and has an Integrated Graphics Controller. I am running ROS on Ubuntu 10.10

Thanks in advance