--- linux-2.6.13.1/arch/sparc64/prom/misc.c	2005-09-10 04:42:58.000000000 +0200
+++ linux-2.6.13.1_patched/arch/sparc64/prom/misc.c	2005-09-24 11:10:46.000000000 +0200
@@ -83,17 +83,17 @@
 #endif
 again:
 	p1275_cmd("exit", P1275_INOUT(0, 0));
 	goto again; /* PROM is out to get me -DaveM */
 }
 
 void prom_halt_power_off(void)
 {
-#ifdef CONFIG_SMP
+#ifdef 0 /*CONFIG_SMP*/
 	smp_promstop_others();
 	udelay(8000);
 #endif
 	p1275_cmd("SUNW,power-off", P1275_INOUT(0, 0));
 
 	/* if nothing else helps, we just halt */
 	prom_halt();
 }