While you had kdm installed it was installed from a ppa.
kdm 4:4.11.3-0ubuntu0.1~ubuntu12.04~ppa1 0
I'd image this figures into the calculation.
While you had kdm installed it was installed from a ppa.
kdm 4:4.11. 3-0ubuntu0. 1~ubuntu12. 04~ppa1 0
I'd image this figures into the calculation.