Fedora 10, Compiz, Ati mobility 9200

Доброго времени суток.

есть ноут Sony Vaio vgn-s270b c графической картой ati radeon mobility 9200. Хочется понять на нем compiz. вот кусок xorg.conf

...
Section "Module"
...
Load "dri"
Load "extmod"
Load "freetype"
Load "glx"
SubSection "extmod"
Option "omit xfree86-dga"
EndSubSection
EndSection

...
Section "Device"
Identifier "ATI Technologies, Inc. RV250 5c61 [Radeon Mobility 9200 M9+]"
#Driver "ati"
Driver "radeon"
BusID "PCI:01:00:0"
Option "UseFBDev" "true"
Option "AGPMode" "4"
Option "EnablePageFlip" "On"

## extras
Option "backingstore" "true"
Option "EnablePageFlip" "true"
Option "SubPixelOrder" "none"
Option "AccelMethod" "XAA"
Option "RenderAccel" "true"
Option "AGPMode" "8"
Option "ColorTiling" "on"
Option "mtrr" "off"
Option "VideoOverlay" "on"
Option "OpenGLOverlay" "off"

Option "BlockSignalsOnLock" "on"
Option "KernelModuleParm" "locked-userpages=0"
Option "UseFastTLS" "2"
Option "UseInternalAGPGART" "no"
Option "no_accel" "no"
Option "no_dri" "no"
Option "EnablePrivateBackZ" "no"

Option "XAANoOffscreenPixmaps"
Option "DisableGLXRootClipping" "true"
Option "AddARGBGLXVisuals" "true"
Option "AllowGLXWithComposite" "true"

# Option "AGPFastWrite" "true"
# Option "GARTSize" "128"
# Option "DynamicClocks" "on"
EndSection

...
Section "ServerLayout"
Option "AIGLX" "true"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
#InputDevice "Synaptics Touchpad" "CorePointer"
EndSection

Section "DRI"
#Group "xgrp"
Mode 0666
EndSection

Section "Extensions"
Option "RENDER" "true"
Option "Composite" "Enable"
EndSection

когда запускаю compiz-fusion-icon в gnome, все вроде заводится, куб крутится и.т.д., но тормоза с отрисовкой жуткие - работать невозможно. Помогите,если кто сталкивался