For the "SHMconfig" option in Xorg.conf, you must change it to "on" for programs like ksynaptic (and possibly others) to work.
See https://launchpad.net/distros/ubuntu/+source/ksynaptics/+bug/63276 for more info. -- synaptics touch pad(laptop) clicks when i dont want it to https://launchpad.net/bugs/47971 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs