Xlib: extension "NV-GLX" missing on display

Aaron Plattner aplattner at nvidia.com
Wed Sep 28 15:59:55 PDT 2011

On 09/28/2011 01:43 PM, Alan Coopersmith wrote:
> On 09/28/11 12:38 PM, alupu at verizon.net wrote:
>>    Each and every time I go back to the command line after using
>>    a browser in the X11 environment, I find one or multiple messages,
>>     Xlib:  extension "NV-GLX" missing on display ":0.0"
>>    on the console.
>>    They come from libXext.
>>    Not life-threatening but very annoying.
>>    Nonsensical for an Intel video device par excellence.
>>    In hopes of getting rid of the messages, I upgraded my original
>>    Xorg-7.6 package with the Server, Intel and Evdev drivers and
>>    libXext to the (latest) versions shown above.
>>    To no avail.
>>    What could be the solution?
> Make sure your libGL.so is the Mesa version, not the one from the
> nvidia proprietary drivers.

You're supposed to be able to use the NVIDIA libGL with indirect 
non-NVIDIA GLX contexts, so the fact that it's emitting this warning is 
a bug in the NVIDIA driver.  We've filed internal bug number 805693.

-- Aaron

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