--- src/sys/i386/i386/Attic/machdep.c	2005/11/16 02:24:28	1.83
+++ src/sys/i386/i386/Attic/machdep.c	2005/11/22 08:41:00	1.84
@@ -2038,7 +2038,8 @@ cpu_gdinit(struct mdglobaldata *gd, int
 
 	lwkt_init_thread(&gd->mi.gd_idlethread, 
 			gd->mi.gd_prvspace->idlestack, 
-			sizeof(gd->mi.gd_prvspace->idlestack), 0, &gd->mi);
+			sizeof(gd->mi.gd_prvspace->idlestack), 
+			TDF_MPSAFE, &gd->mi);
 	lwkt_set_comm(&gd->mi.gd_idlethread, "idle_%d", cpu);
 	gd->mi.gd_idlethread.td_switch = cpu_lwkt_switch;
 	gd->mi.gd_idlethread.td_sp -= sizeof(void *);