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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [NVE6] Xorg random freeze"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=92922#c2">Comment # 2</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [NVE6] Xorg random freeze"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=92922">bug 92922</a>
              from <span class="vcard"><a class="email" href="mailto:antokara@precise.gr" title="Antonis Karagiannis <antokara@precise.gr>"> <span class="fn">Antonis Karagiannis</span></a>
</span></b>
        <pre>Installed Packages
mesa-dri-drivers.x86_64      11.0.4-1.20151105.fc23
mesa-filesystem.x86_64       11.0.4-1.20151105.fc23
mesa-libEGL.i686             11.0.4-1.20151105.fc23
mesa-libEGL.x86_64           11.0.4-1.20151105.fc23
mesa-libGL.i686              11.0.4-1.20151105.fc23
mesa-libGL.x86_64            11.0.4-1.20151105.fc23
mesa-libGLES.x86_64          11.0.4-1.20151105.fc23
mesa-libGLU.x86_64           9.0.0-9.fc23
mesa-libgbm.i686             11.0.4-1.20151105.fc23
mesa-libgbm.x86_64           11.0.4-1.20151105.fc23
mesa-libglapi.i686           11.0.4-1.20151105.fc23
mesa-libglapi.x86_64         11.0.4-1.20151105.fc23
mesa-libwayland-egl.x86_64   11.0.4-1.20151105.fc23
mesa-libxatracker.x86_64     11.0.4-1.20151105.fc23

I hope this clarifies the mesa versions installed.

Now as for building the custom mesa lib, I haven't done that before.
If it's just ./configure && make && make install, I just might give it a try
;-)</pre>
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