Index: libexec/rc/rc.d/root
===================================================================
--- libexec/rc/rc.d/root
+++ libexec/rc/rc.d/root
@@ -30,6 +30,8 @@
 		;;
 	esac
 
+	# root is not going to be unmounted here because
+	# it is being actively used.
 	umount -a >/dev/null 2>&1
 
 	# If we booted a special kernel remove the record