The following solves the problem for me:
Section "Device" Identifier "Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller" Driver "intel" BusID "PCI:0:2:0" Option "DRI" "true" Option "AccelMethod" "EXA" Option "Tiling" "No" EndSection
The following solves the problem for me:
Section "Device"
Identifier "Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller"
Driver "intel"
BusID "PCI:0:2:0"
Option "DRI" "true"
Option "AccelMethod" "EXA"
Option "Tiling" "No"
EndSection