I have same problem as OP, here is what i get from glxinfo name of display: :1.0 Xlib: extension "GLX" missing on display ":1.0". Xlib: extension "GLX" missing on display ":1.0". Xlib: extension "GLX" missing on display ":1.0". Xlib: extension "GLX" missing on display ":1.0". Xlib: extension "GLX" missing on display ":1.0". Error: couldn't find RGB GLX visual or fbconfig Xlib: extension "GLX" missing on display ":1.0". Xlib: extension "GLX" missing on display ":1.0". Xlib: extension "GLX" missing on display ":1.0". Xlib: extension "GLX" missing on display ":1.0". Xlib: extension "GLX" missing on display ":1.0". Xlib: extension "GLX" missing on display ":1.0". Xlib: extension "GLX" missing on display ":1.0". 3 GLXFBConfigs: visual x bf lv rg d st colorbuffer ax dp st accumbuffer ms cav id dep cl sp sz l ci b ro r g b a bf th cl r g b a ns b eat ---------------------------------------------------------------------- Segmentation fault