PXE无人值守安装linux后没法启动图形

经过无人值守安装完linux CentOS5.8-64系统后，没法启动图形界面，修改ks.cfg文件屡次安装系统，测试启动GNOME和KDE桌面都没法启动，经过查找日志报警发现如下错误：
Oct 18 16:06:16 bogon gdm[3390]: gdm_slave_xioerror_handler: Fatal X error - Restarting :0
Oct 18 16:06:20 bogon gdm[3400]: gdm_slave_xioerror_handler: Fatal X error - Restarting :0
Oct 18 16:06:25 bogon gdm[3407]: gdm_slave_xioerror_handler: Fatal X error - Restarting :0
Oct 18 16:06:25 bogon gdm[3351]: deal_with_x_crashes: Running the XKeepsCrashing script
个人ks.cfg文件里包含如下安装包：
%packages
@base
@development-libs
@development-tools
@gnome-desktop
@system-tools
@gnome-software-development
@admin-tools
@graphical-internet
@java-development
@base-x
@legacy-software-support
@legacy-software-development
@editors
@chinese-support
@java @kde-desktop @gnome-software-development @kde-software-development @x-software-development @kde-desktop xorg-x11-server-Xnest xorg-x11-server-Xvfb imake gcc-objc expect 我不知道是否是安装包或者软件的问题致使桌面起不来，在这里向各位大神请教，不胜感激！！！！！！！！！！