求助：sun e450 下 xorg 配置出错

错误信息如下：
Fatal server error:
Caught signal 10. Server aborting


Please consult the The X.Org Foundation support
at http://wiki.X.Org
for help.
Please also check the log file at "/var/log/Xorg.0.log" for additional information.

XIO: fatal IO error 54 (Connection reset by peer) on X server ":0.0"
after 0 requests (0 known processed) with 0 events remaining.

配置文件如下：
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection

Section "Files"
EndSection

Section "Module"
Load "freetype"
# Load "xtt"
Load "extmod"
Load "glx"
Load "dri"
Load "dbe"
Load "record"
Load "xtrap"
Load "type1"
Load "speedo"
EndSection

Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "MouseSystems"
Option "Device" "/dev/sunmouse"
EndSection

Section "InputDevice"
Identifier "Keyboard0"
Driver "keyboard"
Option "XkbModel" "pc101"
Option "XkbLayout" "us"
EndSection

Section "Monitor"
Identifier "Monitor0"
HorizSync 31.5 - 31.5
HorizSync 35.5 - 35.5
VertRefresh 50.0 - 70.0
EndSection

Section "Device"
Identifier "Card0"
Driver "ati"
EndSection

Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
DefaultDepth 8
SubSection "Display"
Viewport 0 0
Depth 8
Modes "1024x768"
EndSubSection
EndSection