[Xorg] XKB configuration problem

[Hyperyon]

Données de version du serveur X :
The X.Org Foundation
60700000

xprop -root | grep XKB :
_XKB_RULES_NAMES_BACKUP(STRING) = "xfree86", "pc105", "fr", "", ""
_XKB_RULES_NAMES(STRING) = "xfree86", "pc105", "fr", "", ""

gconftool-2 -R /desktop/gnome/peripherals/keyboard/xkb :
 layouts = [fr,us]
 model = pc105
 overrideSettings = false
 options = []