Explanation of problem:
Edgy enables the Xorg Composite extension by default. The legacy nvidia
drivers require you to either explicitly allow GLX to run with
Composite, or to disable Composite entirely.
Solutions:
1. Explicitly allow GLX while using the Composite, or disable Composite.
If you do this, you should be sure to enable RenderAccel as well:
Section "Device"
Identifier "NVIDIA Card"
Driver "nvidia"
BusID "PCI:1:0:0"
Option "RenderAccel" "true"
Option "AllowGLXWithComposite" "true"
EndSection
Or,
2. Disable Composite. GLX will start working.
Section "Extensions"
Option "Composite" "Disable"
EndSection
I believe the newer nvidia drivers allow GLX with Composite by default,
so this issue should really only affect legacy cards.
Since glxinfo should really not crash in this situation, I've attached
my crash report as well.
** Attachment added: "glxinfo crash dump"
http://librarian.launchpad.net/4923601/_usr_bin_glxinfo.1000.crash
--
Xlib: extension "GLX" missing on display ":0.0"
https://launchpad.net/bugs/63461
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