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Add fix for RuntimeException: No OpenGL context found in the current thread as found, for example, here: https://gaming.stackexchange.com/questions/239495/why-does-minecraft-keep-crashing-in-ubuntu-14-04
I can confirm that with a VERY similar crashreport, with Mageia 6, and with NVidia proprietary drivers installed and working, that installing xrandr fixed an "OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread." problem.