lanciando blender da console mi appare questo:

[Michele@openmamba ~]$ blender

Compiled with Python version 2.6.8.

Checking for installed Python... got it!

Xlib: extension "GLX" missing on display ":0".

intern/ghost/intern/GHOST_WindowX11.cpp:177: X11 glxChooseVisual() failed for OpenGL, verify working openGL system!

X Error of failed request: BadWindow (invalid Window parameter)

Major opcode of failed request: 18 (X_ChangeProperty)

Resource id in failed request: 0x127c00

Serial number of failed request: 21

Current serial number in output stream: 22

python è già installato ovviamente

Ciao

Mik