Disabling the touchpad gets reversed after a while

[Pedro Côrte-Real]

I have both a touchpad and a trackpoint and I prefer to just disable the touchpad. The "Mouse & Touchpad" settings work fine for this, by disabling the touchpad. Unfortunately after a while the touchpad gets reenabled, and I have to go back to the settings and set it to off again. I haven't yet figured out in what circumstances it happens.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: unity-control-center 14.04.3+14.04.20140410-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
CurrentDesktop: Unity
Date: Tue May 13 11:33:42 2014
InstallationDate: Installed on 2014-05-03 (10 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
SourcePackage: unity-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
usr_lib_unity-control-center:
 activity-log-manager 0.9.7-0ubuntu14
 deja-dup 30.0-0ubuntu4