刚刚用上了redhat as4 装上nvidia的驱动后 一般用户glxgears出错,root正常

tangxiuwen

出错信息:
[txw@txw ~]$ glxgears
Error: Could not open /dev/nvidiactl because the permissions
are too resticitive.  Please see the FREQUENTLY ASKED QUESTIONS
section of /usr/share/doc/NVIDIA_GLX-1.0/README for steps
to correct.
段错误
[txw@txw ~]$
各位遇到过这种情况吗?怎么解决.