diff --git a/gst/gstbufferpool-default.c b/gst/gstbufferpool-default.c
index f9caa13a38..a36b652ca9 100644
--- a/gst/gstbufferpool-default.c
+++ b/gst/gstbufferpool-default.c
@@ -151,8 +151,16 @@ _gst_buffer_pool_default_free (GstData *data)
   GstBufferPool *pool = (GstBufferPool*) data;
   GstBufferPoolDefault *def = (GstBufferPoolDefault*) pool->user_data;
   GstMemChunk *data_chunk = def->mem_chunk;
+  guint real_buffer_size;
   
-  GST_DEBUG (GST_CAT_BUFFER, "destroying default buffer pool %p", pool);
+  real_buffer_size = (((def->size-1) / 32) + 1) * 32;
+
+  GST_DEBUG (GST_CAT_BUFFER,"destroying default buffer pool %p bytes:%d size:%d",
+             pool, real_buffer_size, def->size);
+  
+  g_mutex_lock (_default_pool_lock);
+  g_hash_table_remove (_default_pools, GINT_TO_POINTER (real_buffer_size));
+  g_mutex_unlock (_default_pool_lock);
   
   /* this is broken right now, FIXME
      gst_mem_chunk_destroy (data_chunk); */
diff --git a/gst/gstelement.c b/gst/gstelement.c
index ef9449131c..0562ba97be 100644
--- a/gst/gstelement.c
+++ b/gst/gstelement.c
@@ -2579,7 +2579,7 @@ gst_element_interrupt (GstElement *element)
     return gst_scheduler_interrupt (GST_ELEMENT_SCHED (element), element);
   }
   else 
-    return FALSE;
+    return TRUE;
 }
 
 /**
diff --git a/gst/gstscheduler.c b/gst/gstscheduler.c
index 245db62e09..0436e54491 100644
--- a/gst/gstscheduler.c
+++ b/gst/gstscheduler.c
@@ -464,19 +464,24 @@ gst_scheduler_error (GstScheduler *sched, GstElement *element)
  * @element: the element requesting a yield
  *
  * Tell the scheduler to schedule another element.
+ *
+ * Returns: TRUE if the element should save its state, FALSE
+ * if the scheduler can perform this action itself.
  */
-void
+gboolean
 gst_scheduler_yield (GstScheduler *sched, GstElement *element)
 {
   GstSchedulerClass *sclass;
 
-  g_return_if_fail (GST_IS_SCHEDULER (sched));
-  g_return_if_fail (GST_IS_ELEMENT (element));
+  g_return_val_if_fail (GST_IS_SCHEDULER (sched), TRUE);
+  g_return_val_if_fail (GST_IS_ELEMENT (element), TRUE);
 
   sclass = GST_SCHEDULER_GET_CLASS (sched);
 
   if (sclass->yield)
-    sclass->yield (sched, element);
+    return sclass->yield (sched, element);
+
+  return TRUE;
 }
 
 /**
diff --git a/gst/gstscheduler.h b/gst/gstscheduler.h
index 45713082a0..bbac780722 100644
--- a/gst/gstscheduler.h
+++ b/gst/gstscheduler.h
@@ -89,7 +89,7 @@ struct _GstSchedulerClass {
   void			(*scheduling_change)	(GstScheduler *sched, GstElement *element);
   void 			(*lock_element)		(GstScheduler *sched, GstElement *element);
   void 			(*unlock_element)	(GstScheduler *sched, GstElement *element);
-  void 			(*yield)		(GstScheduler *sched, GstElement *element);
+  gboolean		(*yield)		(GstScheduler *sched, GstElement *element);
   gboolean		(*interrupt)		(GstScheduler *sched, GstElement *element);
   void 			(*error)		(GstScheduler *sched, GstElement *element);
   void 			(*pad_link)		(GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad);
@@ -123,7 +123,7 @@ GstElementStateReturn	gst_scheduler_state_transition	(GstScheduler *sched, GstEl
 void			gst_scheduler_scheduling_change	(GstScheduler *sched, GstElement *element);
 void			gst_scheduler_lock_element	(GstScheduler *sched, GstElement *element);
 void			gst_scheduler_unlock_element	(GstScheduler *sched, GstElement *element);
-void			gst_scheduler_yield		(GstScheduler *sched, GstElement *element);
+gboolean		gst_scheduler_yield		(GstScheduler *sched, GstElement *element);
 gboolean		gst_scheduler_interrupt		(GstScheduler *sched, GstElement *element);
 void			gst_scheduler_error		(GstScheduler *sched, GstElement *element);
 void			gst_scheduler_pad_link		(GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad);
diff --git a/gst/schedulers/gstbasicscheduler.c b/gst/schedulers/gstbasicscheduler.c
index 20d7dff065..6bef5ce652 100644
--- a/gst/schedulers/gstbasicscheduler.c
+++ b/gst/schedulers/gstbasicscheduler.c
@@ -116,7 +116,7 @@ static GstElementStateReturn
 			gst_basic_scheduler_state_transition	(GstScheduler *sched, GstElement *element, gint transition);
 static void 		gst_basic_scheduler_lock_element 	(GstScheduler *sched, GstElement *element);
 static void 		gst_basic_scheduler_unlock_element 	(GstScheduler *sched, GstElement *element);
-static void 		gst_basic_scheduler_yield 		(GstScheduler *sched, GstElement *element);
+static gboolean		gst_basic_scheduler_yield 		(GstScheduler *sched, GstElement *element);
 static gboolean		gst_basic_scheduler_interrupt 		(GstScheduler *sched, GstElement *element);
 static void 		gst_basic_scheduler_error	 	(GstScheduler *sched, GstElement *element);
 static void     	gst_basic_scheduler_pad_link		(GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad);
@@ -1118,7 +1118,7 @@ gst_basic_scheduler_unlock_element (GstScheduler * sched, GstElement * element)
     do_cothread_unlock (GST_ELEMENT_THREADSTATE (element));
 }
 
-static void
+static gboolean
 gst_basic_scheduler_yield (GstScheduler *sched, GstElement *element)
 {
   if (GST_ELEMENT_IS_COTHREAD_STOPPING (element)) {
@@ -1127,6 +1127,7 @@ gst_basic_scheduler_yield (GstScheduler *sched, GstElement *element)
     
     /* no need to do a pre_run, the cothread is stopping */
   }
+  return FALSE;
 }
 
 static gboolean
diff --git a/gst/schedulers/gstoptimalscheduler.c b/gst/schedulers/gstoptimalscheduler.c
index 48a24f3b06..4a7ddc54bc 100644
--- a/gst/schedulers/gstoptimalscheduler.c
+++ b/gst/schedulers/gstoptimalscheduler.c
@@ -202,7 +202,7 @@ static GstElementStateReturn
 static void             gst_opt_scheduler_scheduling_change     (GstScheduler *sched, GstElement *element);
 static void 		gst_opt_scheduler_lock_element 		(GstScheduler *sched, GstElement *element);
 static void 		gst_opt_scheduler_unlock_element 	(GstScheduler *sched, GstElement *element);
-static void 		gst_opt_scheduler_yield 		(GstScheduler *sched, GstElement *element);
+static gboolean		gst_opt_scheduler_yield 		(GstScheduler *sched, GstElement *element);
 static gboolean		gst_opt_scheduler_interrupt 		(GstScheduler *sched, GstElement *element);
 static void 		gst_opt_scheduler_error	 		(GstScheduler *sched, GstElement *element);
 static void     	gst_opt_scheduler_pad_link		(GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad);
@@ -1214,7 +1214,7 @@ gst_opt_scheduler_unlock_element (GstScheduler *sched, GstElement *element)
   g_warning ("unlock element, implement me");
 }
 
-static void
+static gboolean
 gst_opt_scheduler_yield (GstScheduler *sched, GstElement *element)
 {
 #ifdef USE_COTHREADS
@@ -1224,6 +1224,12 @@ gst_opt_scheduler_yield (GstScheduler *sched, GstElement *element)
   get_group (element, &group);
   if (group && group->entry == element)
     do_cothread_switch (do_cothread_get_main (((GstOptScheduler*)sched)->context)); 
+
+  return FALSE;
+#else
+  g_warning ("element %s performs a yield, please fix the element", 
+		  GST_ELEMENT_NAME (element));
+  return TRUE;
 #endif
 }