X启动出错，打不开3D加速。

chen1960

RT,出错信息：

1. cat /var/log/Xorg.0.log |grep EE
   
2.         (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
   
3. (EE) Failed to load /usr/X11R6/lib/modules/extensions/libGLcore.so
   
4. (EE) Failed to load module "GLcore" (loader failed, 7)
   
5. (II) Loading extension MIT-SCREEN-SAVER
   
6. (EE) Failed to load /usr/X11R6/lib/modules/extensions/libGLcore.so
   
7. (EE) Failed to load module "glx" (a required submodule could not be loaded, 7)
   
8. (II) Loading extension MIT-SCREEN-SAVER
   

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