Description of problem:
When I run glxgears, a new window appears for a very short while but is closed
very quickly.

Version-Release number of selected component (if applicable):
glx-utils-6.5-19.fc6

How reproducible:
Always

Steps to Reproduce:
1. run glxgears from command line
  
Actual results:
glxgears immediately closing after opening a window, with the following error
messages:

libGL warning: 3D driver claims to not support visual 0x4b
drmRadeonCmdBuffer: -22 (exiting)

Expected results:
glxgears working

Additional info:
Will attach X config file, X log file, and glxinfo output.