here is my detail :
OS : fedora 8 kernel 2.6.23.9-85
what i install : 7.11 driver form Ati.com and all compiz package. But I just want to use the basic desktop-effects.


[pango853@localhost ~]$ fglrxinfo
display: :0.0 screen: 0
OpenGL vendor string: ATI Technologies Inc.
OpenGL renderer string: Radeon X1950 Series
OpenGL version string: 2.1.7059 Release

[pango853@localhost ~]$ glxinfo
name of display: :0.0
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.2
server glx extensions:
GLX_ARB_multisample, GLX_EXT_import_context,
...................

[pango853@localhost ~]$ desktop-effects
compiz (core) - Fatal: No sync extension
Xlib: extension "SHAPE" missing on display ":0.0".
Xlib: extension "SHAPE" missing on display ":0.0".
Xlib: extension "SHAPE" missing on display ":0.0".

my gedit /etc/X11/xorg.conf


# Xorg configuration created by pyxf86config
Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "aticonfig-Screen[0]" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
EndSection

Section "Module"
Load "glx"
Load "extmod“
Load "dbe"
Load "dri"
Load "freetype"
Load "type1"
EndSection

Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "jp106"
Option "XkbLayout" "jp"
EndSection

Section "Monitor"
Identifier "aticonfig-Monitor[0]"
Option "VendorName" "ATI Proprietary Driver"
Option "ModelName" "Generic Autodetecting Monitor"
Option "DPMS" "true"
EndSection

Section "Device"
Identifier "aticonfig-Device[0]"
Driver "fglrx"
Option "VideoOverlay" "on"
Option "OpenGLOverlay" "off"
Option "XAANoOffscreenPixmaps" "true"
Option "DRI" "true"
EndSection

Section "Screen"
Identifier "aticonfig-Screen[0]"
Device "aticonfig-Device[0]"
Monitor "aticonfig-Monitor[0]"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
Option "AddARGBGLXVisuals" "True"
EndSection

Section "DRI"
Mode 0666
EndSection

Section "Extensions"
Option "Composite" "1"
EndSection

Section "ServerFlags"
Option "AIGLX" "on"
EndSection


I read some in other forum said that insert Load "extmod“ will make it work fine. But even i insert it, it dont work at all!
please help me.
P.S. one special thing is when I Minimize my Windows, the zooming background of it is black till it zoom to minimize.