Comment 3 for bug 953883

StacktraceTop:
 lightdm_layout_get_name (layout=<optimized out>) at layout.c:212
 unity_greeter_get_layout_by_name (self=<optimized out>, name=0x2214150 "us") at unity-greeter.c:835
 unity_greeter_user_added_cb (self=0x1ea68b0, user=0x20f9030) at unity-greeter.c:979
 g_cclosure_marshal_VOID__OBJECTv (closure=0x1e636e0, return_value=<optimized out>, instance=0x1fc1400, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x1f14d40) at /build/buildd/glib2.0-2.31.20/./gobject/gmarshal.c:1312
 _g_closure_invoke_va (closure=0x1e636e0, return_value=0x0, instance=0x1fc1400, args=0x7fff06e0af28, n_params=1, param_types=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:840