Please report the version of unity-greeter and lightdm you are using.
Since[1] lightdm (1.1.2-0ubuntu3), accountsservice (0.6.15-2ubuntu5), gnome-settings-daemon (3.2.2-0ubuntu16), unity-greeter (0.2.1-0ubuntu1). It loads user's keyboard system layout, not from the system wide settings.
Please report the version of unity-greeter and lightdm you are using.
Since[1] lightdm (1.1.2-0ubuntu3), accountsservice (0.6.15-2ubuntu5), gnome-settings- daemon (3.2.2-0ubuntu16), unity-greeter (0.2.1-0ubuntu1). It loads user's keyboard system layout, not from the system wide settings.
[1] https:/ /bugs.launchpad .net/ubuntu/ +source/ lightdm/ +bug/915468