dlopen: /usr/lib/xorg/modules/extensions/libGLcore.so: undefined symbol: _glapi_Dispatch

(EE) Failed to load /usr/lib/xorg/modules/extensions/libGLcore.so
(EE) Failed to load module "GLcore" (loader failed. 7)
(EE) Failed to load module "speedo" (module does not exist, 0)
(EE) ALGLX: Screen 0 is not DRI capable
(EE) xf86OpenSerial: Cannot open device /dev/psaux
No such device.
(EE) Configured Mouse: Cannot open input device
(EE)PreInit failed for input device "Configured Mouse"
xkb_keycodes { include "xfree86+aliases(qwerty)" };
xkb_types    { include "complete" };
xkb_compatibility { include "complete" };
xkb_symbols       { include "pc(ps105)+us" };
xkb_geometry      { include "pc(pc104)" };
No core pointer