mambo@localhost ~ $ glxinfo
name of display: :1.0
Xlib:  extension "GLX" missing on display ":1.0".
Xlib:  extension "GLX" missing on display ":1.0".
Xlib:  extension "GLX" missing on display ":1.0".
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 ":1.0".
Xlib:  extension "GLX" missing on display ":1.0".
0x21 24 tc  1  0  0 c  .  .  0  0  0  0  0  0  0  0  0  0  0  0 0 None