diff --git a/src/io/pidiagnostics.h b/src/io/pidiagnostics.h
index 21a9dc56..34b16e1e 100755
--- a/src/io/pidiagnostics.h
+++ b/src/io/pidiagnostics.h
@@ -129,6 +129,7 @@ public:
 	
 	EVENT_HANDLER0(void, start) {start(1000.); changeDisconnectTimeout();}
 	EVENT_HANDLER1(void, start, double, msecs) {if (msecs > 0.) {PITimer::start(msecs); changeDisconnectTimeout();}}
+	EVENT_HANDLER0(void, stop) {PITimer::stop();}
 	EVENT_HANDLER0(void, reset);
 	
 	EVENT_HANDLER1(void, received, int, size) {received(size, true);}
diff --git a/src/io/pipeer.cpp b/src/io/pipeer.cpp
index ee2f21d7..512df631 100755
--- a/src/io/pipeer.cpp
+++ b/src/io/pipeer.cpp
@@ -78,6 +78,9 @@ PIPeer::PIPeer(const PIString & name_): PIObject() {
 
 
 PIPeer::~PIPeer() {
+	timer.stop();
+	diag_s.stop();
+	diag_d.stop();
 	piForeach (PIEthernet * i, eths_traffic) {
 		i->stopThreadedRead();
 		delete i;
@@ -273,7 +276,7 @@ bool PIPeer::dataRead(uchar * readed, int size) {
 					a.wait_ping = false;
 					if (a.ping < 0) a.ping = ptime.toMilliseconds();
 					else a.ping = 0.6 * a.ping + 0.4 * ptime.toMilliseconds();
-					//piCout << "*** ping echo" << p.name << a.address << a.ping;
+					piCout << "*** ping echo" << p.name << a.address << a.ping;
 					return true;
 				}
 			}
@@ -284,7 +287,7 @@ bool PIPeer::dataRead(uchar * readed, int size) {
 			if (pi) {
 				if (pi->isNeighbour()) {
 					sba = PIByteArray(readed, size);
-					//piCout << "ping from" << to << addr << ", send back to" << p.name;
+					piCout << "ping from" << to << addr << ", send back to" << pi->name;
 					piForeachC (PeerInfo::Address & a, pi->addresses) {
 						if (eth_send.send(a.address, sba))
 							diag_s.received(sba.size_s());
@@ -553,7 +556,7 @@ void PIPeer::syncPeers() {
 		PeerInfo & cp(peers[i]);
 		if (cp.sync > 3) {
 			pn = cp.name;
-			//piCoutObj << "sync: remove " << pn;
+			piCoutObj << "sync: remove " << pn;
 			addToRemoved(cp);
 			peers.remove(i);
 			sendPeerRemove(pn);
@@ -587,8 +590,7 @@ void PIPeer::findNearestAddresses() {
 	//piCout << "[PIPeer \"" + name_ + "\"] findNearestAddresses";
 	addresses_map.clear();
 	int max_dist = -1;
-	static PIMap<PIString, PeerInfo * > peers_;
-	peers_.clear();
+	PIMap<PIString, PeerInfo * > peers_;
 	self_info._nuses.resize(self_info.neighbours.size());
 	self_info._nuses.fill(0);
 	self_info._first = &self_info;
diff --git a/utils/system_daemon/main.cpp b/utils/system_daemon/main.cpp
index f9c9c4b9..2dc7e6df 100755
--- a/utils/system_daemon/main.cpp
+++ b/utils/system_daemon/main.cpp
@@ -231,13 +231,13 @@ void tabConnect() {
 }
 
 int main(int argc, char * argv[]) {
-	piDebug = false;
+	//piDebug = false;
 	PICLI cli(argc, argv);
 	//cli.addArgument("");
 	sys_mon.startOnSelf();
 	screen.enableExitCapture(PIKbdListener::F10);
 	MainMenu menu;
-	screen.start();
+	//screen.start();
 	screen.waitForFinish();
 	//return 0;
 	/*while (!PIKbdListener::exiting) {