Cause is “xaa”.

Xorg could not start, Cause is AccelMethod. Disable below ‘Option “AccelMethod” “xaa”’.

Section "Device"
     Identifier      "Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller"
     Driver          "intel"
     BusID           "PCI:0:2:0"
#    Option          "UseFBDev"              "true"
#        Option "AccelMethod" "exa"
        Option "AccelMethod" "xaa"
EndSection