This bug was fixed in the package xserver-xorg-input-synaptics - 1.6.2-1ubuntu5
--------------- xserver-xorg-input-synaptics (1.6.2-1ubuntu5) quantal; urgency=low
* Added 130_reset-num_active_touches-on-deviceoff.patch (LP: #956071) -- Timo Aaltonen <email address hidden> Thu, 30 Aug 2012 20:13:39 +0300
This bug was fixed in the package xserver- xorg-input- synaptics - 1.6.2-1ubuntu5
--------------- xorg-input- synaptics (1.6.2-1ubuntu5) quantal; urgency=low
xserver-
* Added 130_reset- num_active_ touches- on-deviceoff. patch (LP: #956071)
-- Timo Aaltonen <email address hidden> Thu, 30 Aug 2012 20:13:39 +0300