Same here on Gentoo Linux.
Linux amari 4.3.4-gentoo #1 SMP PREEMPT Sun Jan 24 14:21:25 CET 2016 x86_64 Intel(R) Core(TM) i5-2537M CPU @ 1.40GHz GenuineIntel GNU/Linux
sys-apps/openrc-0.17 x11-misc/lightdm-1.16.6 x11-misc/lightdm-gtk-greeter-2.0.1-r1
Same here on Gentoo Linux.
Linux amari 4.3.4-gentoo #1 SMP PREEMPT Sun Jan 24 14:21:25 CET 2016 x86_64 Intel(R) Core(TM) i5-2537M CPU @ 1.40GHz GenuineIntel GNU/Linux
sys-apps/ openrc- 0.17 lightdm- 1.16.6 lightdm- gtk-greeter- 2.0.1-r1
x11-misc/
x11-misc/