Index: subr_bus.c
===================================================================
RCS file: /home/ncvs/src/sys/kern/subr_bus.c,v
retrieving revision 1.201.2.1
diff -u -r1.201.2.1 subr_bus.c
--- subr_bus.c	6 Feb 2008 01:34:18 -0000	1.201.2.1
+++ subr_bus.c	14 Apr 2008 15:25:43 -0000
@@ -504,7 +504,7 @@
 boolean_t
 devctl_process_running(void)
 {
-	return (devsoftc.async_proc != NULL);
+	return (devsoftc.inuse == 1);
 }
 
 /**