diff --git a/libs/ardour/buffer_manager.cc b/libs/ardour/buffer_manager.cc
index b30fd6ebb6..e3bc2cb97c 100644
--- a/libs/ardour/buffer_manager.cc
+++ b/libs/ardour/buffer_manager.cc
@@ -31,6 +31,9 @@ RingBufferNPT<ThreadBuffers*>* BufferManager::thread_buffers = 0;
 std::list<ThreadBuffers*>* BufferManager::thread_buffers_list = 0;
 Glib::StaticMutex BufferManager::rb_mutex = GLIBMM_STATIC_MUTEX_INIT;
 
+using std::cerr;
+using std::endl;
+
 void
 BufferManager::init (uint32_t size)
 {
@@ -45,6 +48,8 @@ BufferManager::init (uint32_t size)
                 thread_buffers->write (&ts, 1);
 		thread_buffers_list->push_back (ts);
         }
+	cerr << "Initialized thread buffers, readable count now " << thread_buffers->read_space() << endl;
+
 }
 
 ThreadBuffers*
@@ -54,6 +59,7 @@ BufferManager::get_thread_buffers ()
         ThreadBuffers* tbp;
 
         if (thread_buffers->read (&tbp, 1) == 1) {
+		cerr << "Got thread buffers, readable count now " << thread_buffers->read_space() << endl;
                 return tbp;
         }
 
@@ -65,6 +71,7 @@ BufferManager::put_thread_buffers (ThreadBuffers* tbp)
 {
 	Glib::Mutex::Lock em (rb_mutex);
         thread_buffers->write (&tbp, 1);
+	cerr << "Put back thread buffers, readable count now " << thread_buffers->read_space() << endl;
 }
 
 void