linux el5 图形界面启动不了

na_wu_ri

运行startx报如下错：

xauth:  creating new authority file /users/ems/.serverauth.19758


X Window System Version 7.1.1
Release Date: 12 May 2006
X Protocol Version 11, Revision 0, Release 7.1.1
Build Operating System: Linux 2.6.9-34.ELsmp x86_64 Red Hat, Inc.
Current Operating System: Linux ts29-1 2.6.18-8.el5 #1 SMP Fri Jan 26 14:15:14 EST 2007 x86_64
Build Date: 09 January 2007
Build ID: xorg-x11-server 1.1.1-48.13.el5
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Wed Dec 10 15:42:33 2008
(==) Using config file: "/etc/X11/xorg.conf"
(WW) I810: No matching Device section for instance (BusID PCI:0:2:1) found
(EE) No devices detected.

Fatal server error:
no screens found
XIO:  fatal IO error 104 (Connection reset by peer) on X server ":0.0"
      after 0 requests (0 known processed) with 0 events remaining.
Couldnt get a file descriptor referring to the console


但实际上在相应目录下并没生成.serverauth.19758文件。我杀了/usr/sbin/gdm-binary -nodaemon，没用，从别的可用的机器上拷了xorg.conf但重启也没用，我的xorg.conf文件内容如下：

# Xorg configuration created by system-config-display

Section "ServerLayout"
        Identifier     "single head configuration"
        Screen      0  "Screen0" 0 0
        InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "InputDevice"
        Identifier  "Keyboard0"
        Driver      "kbd"
        Option      "XkbModel" "pc105"
        Option      "XkbLayout" "us"
EndSection

Section "Monitor"

### Comment all HorizSync and VertSync values to use DDC:
### Comment all HorizSync and VertSync values to use DDC:
### Comment all HorizSync and VertSync values to use DDC:
### Comment all HorizSync and VertSync values to use DDC:
### Comment all HorizSync and VertSync values to use DDC:
### Comment all HorizSync and VertSync values to use DDC:
### Comment all HorizSync and VertSync values to use DDC:
### Comment all HorizSync and VertSync values to use DDC:
### Comment all HorizSync and VertSync values to use DDC:
### Comment all HorizSync and VertSync values to use DDC:
### Comment all HorizSync and VertSync values to use DDC:
        Identifier   "Monitor0"
### Comment all HorizSync and VertSync values to use DDC:
        HorizSync    30.0 - 50.0
        VertRefresh  50.0 - 80.0
EndSection

Section "Device"
        Identifier  "Videocard0"
        Driver      "i810"
EndSection

Section "Screen"
        Identifier "Screen0"
        Device     "Videocard0"
        Monitor    "Monitor0"
        DefaultDepth     24
        SubSection "Display"
                Viewport   0 0
                Depth     24
                Modes    "1024x768" "800x600" "640x480"
        EndSubSection
EndSection




请各位大哥帮忙看看是怎么回事？谢谢大家！