It did not work. KDE 4.11 still could not load the libraries. So I had to revert to KDE 4.10. Even though, I think some of Rico's ppa packages may have been updated and broken something (for example, vt's not working properly) and that may have accounted for some of the problem. So probably setting an additional ppa with wayland 1.2 + mesa packages could be a good way to isolate this problem and see if it works OK (of course, only if you have time to do it!). I'll stick to KDE 4.10 until the thing's worked out.
Regards
Regards
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