[plug] Error running ut

[Richard]

I just ran glxinfo and this was the output...

name of display: :0.0
Xlib:  extension "GLX" missing on display ":0.0".
Xlib:  extension "GLX" missing on display ":0.0".
Xlib:  extension "GLX" missing on display ":0.0".
Error: couldn't find RGB GLX visual

   visual  x  bf lv rg d st colorbuffer ax dp st accumbuffer  ms  cav
 id dep cl sp sz l  ci b ro  r  g  b  a bf th cl  r  g  b  a ns b eat
----------------------------------------------------------------------
Xlib:  extension "GLX" missing on display ":0.0".
Xlib:  extension "GLX" missing on display ":0.0".
0x21 16 tc  0  0  0 c  .  .  0  0  0  0  0  0  0  0  0  0  0  0 0 None
Xlib:  extension "GLX" missing on display ":0.0".
Xlib:  extension "GLX" missing on display ":0.0".
0x22 16 dc  0  0  0 c  .  .  0  0  0  0  0  0  0  0  0  0  0  0 0 None
[root at localhost root]

What could be the cause of this? (showing my newbi status here a little :)