[Mesa-dev] Help for a beginner

[Brian Paul]

On 10/06/2011 06:44 AM, Julian Adams wrote:
> It's possible that the instructions will only switch you over to your
> locally built version version of Mesa if you are already running a
> shipped Mesa as your driver. It looks like you're running the Nvidia
> blob. Perhaps you need to switch to Mesa/Nouveau first?
>
> On 6 October 2011 07:09, Romain Failliot <romain.failliot at foolstep.com
> <mailto:romain.failliot at foolstep.com>> wrote:
>
>     2011/9/27 Romain Failliot <romain.failliot at foolstep.com
>     <mailto:romain.failliot at foolstep.com>>:
>      > I'll get my hand in the code now.
>      > Be right back as soon as I can run my own mesa code :)
>
>     Sorry for the delay, I lost my internet connection for a week...
>     So I started compiling mesa thanks to the site Benjamin Bellec gave to
>     me http://forums.fedora-fr.org/viewtopic.php?id=51681
>     And with this simple command line:
>
>     $ ./autogen.sh --with-gallium-drivers=nouveau --with-dri-drivers=
>
>     Everything went well. (I'm not sure about the empty parameter for the
>     dri drivers though)
>
>     But my first problem occured: although I changed my LD_LIBRARY_PATH,
>     graphic drivers are still those from nvidia. Here is the result of the
>     glxinfo:
>
>     $ glxinfo | grep "OpenGL version string"
>     OpenGL version string: 2.1.2 NVIDIA 280.13
>
>     Any idea?

It would help to see the rest of glxinfo, but it might be that you're 
just not picking up the new dri driver.  Try setting the 
LIBGL_DRIVERS_PATH env var to point to the location of the *_dri.so 
modules.

Otherwise, set LIBGL_DEBUG=verbose and re-run glxinfo to see if 
anything is going wrong.

-Brian