Looking at your seat0-greeter.log seems to show something might be going wrong with unity-settings-daemon / your X server:
(unity-settings-daemon:2377): Gdk-WARNING **: unity-settings-daemon: Fatal IO error 11 (Resurssi ei tilapäisesti ole käytettävissä) on X server :0.
Did you recently update any drivers?
Looking at your seat0-greeter.log seems to show something might be going wrong with unity-settings- daemon / your X server:
(unity- settings- daemon: 2377): Gdk-WARNING **: unity-settings- daemon: Fatal IO error 11 (Resurssi ei tilapäisesti ole käytettävissä) on X server :0.
Did you recently update any drivers?