diff --git a/panda/src/audio/audio_sound.h b/panda/src/audio/audio_sound.h
index fa07deaa99..9f65c1eb80 100644
--- a/panda/src/audio/audio_sound.h
+++ b/panda/src/audio/audio_sound.h
@@ -54,13 +54,13 @@ public:
   }
   static void init_type(void) {
     /*
-    TypedReferenceCount::init_type();
-    register_type(_type_handle, "AudioSound",
-		  TypedReferenceCount::get_class_type());
-    */
     TypedObject::init_type();
     register_type(_type_handle, "AudioSound",
 		  TypedObject::get_class_type());
+    */
+    TypedReferenceCount::init_type();
+    register_type(_type_handle, "AudioSound",
+		  TypedReferenceCount::get_class_type());
   }
   virtual TypeHandle get_type(void) const {
     return get_class_type();
diff --git a/panda/src/graph/nodeRelation.cxx b/panda/src/graph/nodeRelation.cxx
index 99bb83a21a..2cb809f103 100644
--- a/panda/src/graph/nodeRelation.cxx
+++ b/panda/src/graph/nodeRelation.cxx
@@ -518,20 +518,14 @@ attach() {
   _net_transitions.clear();
   _last_update = ++last_graph_update(_type);
 
-  /*
   // If we have just added a new parent arc to a node that previously
-  // had exactly one parent, we also need to increment the update
-  // counter for all the children of that node.
+  // had exactly one parent, we also need to set the update sequence
+  // counter for the other parent arc, since we have fundamentally
+  // changed the nature of the node from non-instanced to instanced.
   if (child_list.size() == 2) {
-    cerr << "Attaching " << *this << " at " << _last_update << "\n";
-    DownRelationPointers &child_children = _child->_children[_type];
-    DownRelationPointers::iterator drpi;
-    for (drpi = child_children.begin(); drpi != child_children.end(); ++drpi) {
-      cerr << "Forcing update for " << *(*drpi) << "\n";
-      (*drpi)->_last_update = _last_update;
-    }
+    child_list[0]->_last_update = _last_update;
+    child_list[1]->_last_update = _last_update;
   }
-  */
 
   _parent->force_bound_stale();
   mark_bound_stale();
@@ -578,18 +572,13 @@ detach() {
   _net_transitions.clear();
   _last_update = ++last_graph_update(_type);
 
-  /*
   // If we have just removed a parent arc from a node, leaving exactly
-  // one parent, we also need to increment the update counter for all
-  // the children of that node.
+  // one parent, we also need to set the update sequence
+  // counter for the other parent arc, since we have fundamentally
+  // changed the nature of the node from instanced to non-instanced.
   if (child_list.size() == 1) {
-    DownRelationPointers &child_children = _child->_children[_type];
-    DownRelationPointers::iterator drpi;
-    for (drpi = child_children.begin(); drpi != child_children.end(); ++drpi) {
-      (*drpi)->_last_update = _last_update;
-    }
+    child_list[0]->_last_update = _last_update;
   }
-  */
 
   return result;
 }
diff --git a/panda/src/graph/wrt.I b/panda/src/graph/wrt.I
index b429ab6cd7..ded1ad41d1 100644
--- a/panda/src/graph/wrt.I
+++ b/panda/src/graph/wrt.I
@@ -789,14 +789,14 @@ cached_wrt_subtree(NodeRelation *arc, Node *to, UpdateSeq as_of, UpdateSeq now,
       // This, of course, assumes we haven't just asked for the wrt()
       // from the very latest timestamp.
 #ifndef NDEBUG
-      if (wrt_cat.is_info()) {
-	wrt_cat.info()
+      if (wrt_cat.is_warning()) {
+	wrt_cat.warning()
 	  << "Recovering from stale cache.\n";
       }
 #endif
       nassertr(as_of != UpdateSeq::fresh(), NULL);
-      return cached_wrt_subtree(arc, to, UpdateSeq::fresh(), 
-				UpdateSeq::fresh(), result, graph_type);
+      return cached_wrt_subtree(arc, to, UpdateSeq::fresh(), now,
+				result, graph_type);
     }
     
     nassertr(to->get_num_parents(graph_type) == 1, NULL);