Section "Module"
...
Load "dri"
EndSection
Section "ServerLayout"
...
Option "AIGLX" "on"
EndSection
Section "Extensions"
Option "Composite" "on"
EndSection
Section "Device"
...
Option "XAANoOffscreenPixmaps" "true"
Option "DRI" "true"
EndSection
Section "Module"
...
Load "dri"
EndSection
Section "Device"
...
Option "backingstore" "true"
EndSection
Section "Device"
...
Option "RenderAccel" "enable"
EndSection
libGL: OpenDriver: trying /usr/X11R6/lib/modules/dri/r200_dri.so
libGL error: dlopen /usr/X11R6/lib/modules/dri/r200_dri.so failed (/usr/X11R6/lib/modules/dri/r200_dri.so: undefined symbol: _glapi_add_dispatch)
libGL error: unable to find driver: r200_dri.so
libGL: XF86DRIGetClientDriverName: 5.2.0 r200 (screen 0)
libGL: OpenDriver: trying /usr/X11R6/lib/modules/dri/r200_dri.so
libGL error: dlopen /usr/X11R6/lib/modules/dri/r200_dri.so failed (/usr/X11R6/lib/modules/dri/r200_dri.so: undefined symbol: _glapi_add_dispatch)
libGL error: unable to find driver: r200_dri.so