codice:
[root@ainex root]# tuxracer
Tux Racer 0.61 -- a Sunspire Studios Production 
(http://www.sunspirestudios.com)(c) 1999-2000 
Jasmin F. Patry <jfpatry@sunspirestudios.com>

"Tux Racer" is a trademark of Jasmin F. Patry

Tux Racer comes with ABSOLUTELY NO WARRANTY. This is free 
software,
and you are welcome to redistribute it under certain 
conditions.

See http://www.gnu.org/copyleft/gpl.html for 
details.
 
Xlib:  extension "GLX" missing on display ":0.0".

Xlib:  extension "GLX" missing on display ":0.0".

*** tuxracer error: Couldn't initialize video: Couldn't find
 matching GLX visual (Success)