(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(EE) Failed to load /usr/lib/xorg/modules/extensions/nvidia/libglx.so
(EE) Failed to load module "glx" (loader failed, 7)
(II) Loading extension MIT-SCREEN-SAVER
(EE) NVIDIA(0): Failed to initialize the GLX module; please check in your X
(EE) NVIDIA(0):     log file that the GLX module has been loaded in your X
(EE) NVIDIA(0):     server, and that the module is the NVIDIA GLX module.  If
(EE) NVIDIA(0):     you continue to encounter problems, Please try
(EE) NVIDIA(0):     reinstalling the NVIDIA driver.
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