Ubuntu
acpi-support package

  1. Bug #804109
  2. Comment #11

Comment 11 for bug 804109

Revision history for this message
Omer Akram (om26er) wrote : Re: can't enable touchpad in Ubuntu 11.10

Its not a bug in Unity, the reporter mentioned it explicitly the problem also happens in Gnome3 as well. My best gues would be gnome-settings-daemon(or gnome-control-center or related packages. The issue does not happen because xfce I believe uses something different