See here for starters: http://www.nvnews.net/vbulletin/showthread.php?t=68681 On 4/18/06, Dave Stevens <geek@xxxxxxxxxxxx> wrote: > Does anyone know why this i and what I can do about it? Appeared right after > installing the livna nvidia driver rpm > > [dave@localhost ~]$ glxgears > Xlib: extension "GLX" missing on display ":0.0". > glxgears: Error: couldn't get an RGB, Double-buffered visual. -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ L. Friedman netllama@xxxxxxxxx LlamaLand http://netllama.linux-sxs.org