Xubuntu 15.10 fresh install, same problem. Lightdm-gtk-greeter still always forces 'en' layout on USB keyboard (instead of 'fr' required layout).
When using my laptop internal keyboard, 'fr' layout is correctly applied. But USB attached keyboard always apply 'en' layout.
Xubuntu 15.10 fresh install, same problem. Lightdm-gtk-greeter still always forces 'en' layout on USB keyboard (instead of 'fr' required layout).
When using my laptop internal keyboard, 'fr' layout is correctly applied. But USB attached keyboard always apply 'en' layout.