[Xorg] moving windows cpu 100% + xcompmgr

[Ditch Digger]

I'm testing Xorg latest CVS with xcompmgr, I notced that when I move any 
window X will hit the cpu up to 100%!

am i missing something?

FC2
Radeon 9200
kernel 2.6.7


Section "Device"
        Identifier  "Device[0]"
        Driver      "radeon"
        VendorName  "ATI"
       Option      "RenderAccel" "On"
        Option      "AGPMode" "4"
        Option      "EnablePageFlip" "on"
        Option      "backingstore" "yes"
        Option      "HWcursor"
        Option      "ForceCRT2Type" "VGA"
        Option      "MergedFB" "true"
        Option      "CRT2Position" "RightOf"
        Option      "MetaModes" "1152x864-1152x864 800x600-1024x768 
1024x768-800x600 1024x768 800x600"
        Option      "CRT2HSync" "24-65"
        Option      "CRT2VRefresh" "50-120"
EndSection