[PD] GEM does not open window

IOhannes m zmoelnig zmoelnig at iem.at
Mon Apr 7 14:53:08 CEST 2008

Birgit Gasteiger wrote:
> Hello!
> I am just starting with Gem and as I tried to create a window with the  
> object pd gemwin in one of the basic example files of the help  
> browser, I got the error:
> Xlib:  extension "GLX" missing on display ":0.0".
> I am using the nvidia driver on kubuntu 7.1.
> Has anybody an idea how to solve this?

do you have the nvidia-glx package installed?

do you have glx enabled in your /etc/X11/xorg.conf?
there should be an entry
   Load    "glx"
in the 'Section "Module"'

do other openGL-applications work?
(e.g. try "glxgears" which is part of the "mesa-utils" package)


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