diff --git a/libs/ardour/ardour/route.h b/libs/ardour/ardour/route.h
index 011ff8ba7b..e5a1a4a145 100644
--- a/libs/ardour/ardour/route.h
+++ b/libs/ardour/ardour/route.h
@@ -439,6 +439,7 @@ class Route : public SessionObject, public AutomatableControls, public RouteGrou
 
 	void set_self_solo (bool yn);
 	void set_delivery_solo ();
+        void markup_solo_ignore ();
 };
 
 } // namespace ARDOUR
diff --git a/libs/ardour/delivery.cc b/libs/ardour/delivery.cc
index 3607836f3c..5f857d7941 100644
--- a/libs/ardour/delivery.cc
+++ b/libs/ardour/delivery.cc
@@ -521,6 +521,7 @@ Delivery::target_gain ()
                         }
                         
                         if (!_solo_isolated && _session.soloing()) {
+
                                 desired_gain = min (Config->get_solo_mute_gain(), _mute_master->mute_gain_at (mp));
                                 
                         } else {
diff --git a/libs/ardour/io.cc b/libs/ardour/io.cc
index b8747a5907..a41003cf89 100644
--- a/libs/ardour/io.cc
+++ b/libs/ardour/io.cc
@@ -1085,9 +1085,7 @@ IO::set_name (const string& requested_name)
 
 	/* replace all colons in the name. i wish we didn't have to do this */
 
-	if (replace_all (name, ":", "-")) {
-		warning << _("you cannot use colons to name objects with I/O connections") << endmsg;
-	}
+	replace_all (name, ":", "-"); 
 
 	for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
 		string current_name = i->name();
diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc
index 091a669dbc..27a5429c47 100644
--- a/libs/ardour/route.cc
+++ b/libs/ardour/route.cc
@@ -161,6 +161,8 @@ Route::init ()
                 _main_outs->panner()->set_bypassed (true);
 	}
 
+        markup_solo_ignore ();
+
 	/* now that we have _meter, its safe to connect to this */
 
 	Metering::Meter.connect_same_thread (*this, (boost::bind (&Route::meter, this)));
@@ -808,14 +810,6 @@ Route::add_processor (boost::shared_ptr<Processor> processor, ProcessorList::ite
 
 		}
 
-                /* all delivery processors on master, monitor and auditioner never ever pay attention to solo
-                 */
-                boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery>(processor);
-
-                if (d && (is_master() || is_monitor() || is_hidden())) {
-                        d->set_solo_ignored (true);
-                }
-                
                 /* is this the monitor send ? if so, make sure we keep track of it */
 
                 boost::shared_ptr<InternalSend> isend = boost::dynamic_pointer_cast<InternalSend> (processor);
@@ -2243,9 +2237,30 @@ Route::set_processor_state (const XMLNode& node)
                 }
         }
 
+        markup_solo_ignore ();
+
         processors_changed (RouteProcessorChange ());
 }
 
+void
+Route::markup_solo_ignore ()
+{
+        Glib::RWLock::ReaderLock lm (_processor_lock);
+        
+        for (ProcessorList::iterator p = _processors.begin(); p !=  _processors.end(); ++p) {
+
+                /* all delivery processors on master, monitor and auditioner never ever pay attention to solo
+                 */
+
+                boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery>(*p);
+                
+                if (d && (is_master() || is_monitor() || is_hidden())) {
+                        cerr << _name << " Found a delivery unit, mark solo ignored\n";
+                        d->set_solo_ignored (true);
+                }
+        }
+}
+
 void
 Route::curve_reallocate ()
 {
@@ -2374,8 +2389,6 @@ Route::listen_via (boost::shared_ptr<Route> route, Placement placement, bool /*a
 
                 } else {
                         listener.reset (new InternalSend (_session, _mute_master, route, (aux ? Delivery::Aux : Delivery::Listen)));
-                        if (route == _session.monitor_out()) {
-                        }
                 }
 
 	} catch (failed_constructor& err) {
diff --git a/libs/ardour/session_transport.cc b/libs/ardour/session_transport.cc
index 9077ba7cac..686ca4ce73 100644
--- a/libs/ardour/session_transport.cc
+++ b/libs/ardour/session_transport.cc
@@ -323,6 +323,8 @@ Session::butler_transport_work ()
 	}
 
 	g_atomic_int_dec_and_test (&_butler->should_do_transport_work);
+
+	DEBUG_TRACE (DEBUG::Transport, X_("Butler transport work all done\n"));
 }
 
 void
@@ -432,6 +434,7 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished)
 		_have_captured = true;
 	}
 
+	DEBUG_TRACE (DEBUG::Transport, X_("Butler PTW: DS stop\n"));
 	for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
 		(*i)->transport_stopped (*now, xnow, abort);
 	}
@@ -467,7 +470,7 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished)
 		if ((auto_return_enabled || synced_to_jack() || _requested_return_frame >= 0) &&
 		    !(ptw & PostTransportLocate)) {
 
-	/* no explicit locate queued */
+                        /* no explicit locate queued */
 
 			bool do_locate = false;
 
@@ -538,10 +541,14 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished)
 	/* this for() block can be put inside the previous if() and has the effect of ... ??? what */
 
 
+	DEBUG_TRACE (DEBUG::Transport, X_("Butler PTW: locate\n"));
+
 	for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
 		if (!(*i)->hidden()) {
+                        DEBUG_TRACE (DEBUG::Transport, string_compose ("Butler PTW: locate on %1\n", (*i)->name()));
 			(*i)->non_realtime_locate (_transport_frame);
 		}
+
 		if (on_entry != g_atomic_int_get (&_butler->should_do_transport_work)) {
 			finished = false;
 			/* we will be back */