* glxgears
 * glxinfo
 * xdriinfo

 * http://forum.compiz-fusion.org/showthread.php?p=57769
 * https://help.ubuntu.com/community/BinaryDriverHowto/Nvidia
 * http://myy.helia.fi/~karte/ubuntu_hardy_8_04.html (硬體測試 script 參考)