gksudo gedit /usr/share/hal/fdi/policy/20thirdparty/11-x11-synaptics.fdi
kdesudo kate /usr/share/hal/fdi/policy/20thirdparty/11-x11-synaptics.fdi
<match key="info.product" contains="Synaptics TouchPad">
<merge key="input.x11_options.SHMConfig" type="string">On</merge>