diff -r 089696e0c603 xen/arch/powerpc/setup.c
--- a/xen/arch/powerpc/setup.c	Thu May 17 11:42:46 2007 +0100
+++ b/xen/arch/powerpc/setup.c	Mon May 21 06:56:34 2007 -0500
@@ -356,6 +356,8 @@ static void __init __start_xen(multiboot
 
     start_of_day();
 
+    acm_init(NULL, 0);
+
     mpic_setup_this_cpu();
 
     /* Deal with secondary processors.  */