Comment # 20 on bug 1053115 from Robert Munteanu

(In reply to Stefan Dirsch from comment #19)
> Thanks! Now I remember what happened. You once have updated TW from Mesa to
> Mesa+libglvnd. At the same time the nvidia driver was installed manually.
> With uninstalling it, NVIDIA's installer restored these libGL.so.1.2 files,
> which now no longer are part of Mesa. But they are preferred over the ones
> from libglvnd (libGL.so.1.0). So they need to be removed manually.
> Unfortunately. If you could add this information to 'NVidia the hard way
> wiki page', this would be great!

The information was mostly there already, added a reference to this bug and the
driver packages as an RPM.

https://en.opensuse.org/index.php?title=SDB%3ANVIDIA_the_hard_way&type=revision&diff=120938&oldid=119721