--- src/sys/platform/vkernel/platform/machintr.c	2007/07/01 03:04:15	1.13
+++ src/sys/platform/vkernel/platform/machintr.c	2007/07/02 01:47:22	1.14
@@ -161,8 +161,10 @@ signalintr(int intr)
 		atomic_set_int_nonlocked(&gd->gd_fpending, 1 << intr);
 		atomic_set_int_nonlocked(&gd->mi.gd_reqflags, RQF_INTPEND);
 	} else {
+		crit_enter_quick(td);
 		atomic_clear_int(&gd->gd_fpending, 1 << intr);
 		sched_ithd(intr);
+		crit_exit_quick(td);
 	}
 }