Xlib: extension "GLX" missing on display ":0.0" with optimus

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https://bbs.archlinux.org – Thanks for the answer sano. I installed the mesa-libgl and lib32-mesa-libgl (I forgot to mention that my system is x86_x64) with the command pacman -Sdd mesa-libg lib32-mesa-libgl and that automatically removes the lib32-nvidia-libgl and nvidia-libgl without problem.Now I run glxgears -info and shows me the GLX test and it gives me about 60FPS with the Intel. If I run primusrun glxgears -info it gives me the same 60FPS (that's extrange I think, should be more). Same thing for glxspheres and/or using optirun instead primusrun.I ran some games, mostly from Steam and the diference between th (HowTos)