diff --git a/src_main/io/pipeer.cpp b/src_main/io/pipeer.cpp
index dc8164a3..751ac307 100755
--- a/src_main/io/pipeer.cpp
+++ b/src_main/io/pipeer.cpp
@@ -445,7 +445,8 @@ bool PIPeer::dataRead(uchar * readed, int size) {
 	int type, cnt;
 	PIString from, to;
 	ba >> type;
-	PIMutexLocker locker(eth_mutex);
+//	PIMutexLocker locker(eth_mutex);
+	eth_mutex.lock();
 	piCout << "dataRead lock";
 	if (type == 5) { // ping request
 		PIString addr;
@@ -468,6 +469,7 @@ bool PIPeer::dataRead(uchar * readed, int size) {
 				}
 			}
 		}
+		eth_mutex.unlock();
 		return true;
 	}
 	if (type == 6) { // ping request
@@ -489,14 +491,19 @@ bool PIPeer::dataRead(uchar * readed, int size) {
 					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;
+					eth_mutex.unlock();
 					return true;
 				}
 			}
 		}
+		eth_mutex.unlock();
 		return true;
 	}
 //	piCoutObj << "received data from" << from << "packet" << type;
-	if (type != 4) return true;
+	if (type != 4) {
+		eth_mutex.unlock();
+		return true;
+	}
 	diag_d.received(size);
 	ba >> from >> to >> cnt >> pba;
 	//piCoutObj << "Received packet" << type << from << to << pba.size_s();
@@ -508,26 +515,31 @@ bool PIPeer::dataRead(uchar * readed, int size) {
 			PeerInfo * fp = const_cast<PeerInfo * >(getPeerByName(from));
 			if (fp == 0) {
 				peers_mutex.unlock();
+				eth_mutex.unlock();
 				return true;
 			}
 			if (pt == 1) {
 				peers_mutex.unlock();
+				eth_mutex.unlock();
 				dtReceived(from, pba);
 				return true;
 			}
 			if (pt == 2 || pt == 3) {
 				peers_mutex.unlock();
+				eth_mutex.unlock();
 				if (fp->_data)
 					fp->_data->receivedPacket(pt, pba);
 				return true;
 			}
 			peers_mutex.unlock();
+			eth_mutex.unlock();
 			return true;
 		}
 		PIMutexLocker plocker(peers_mutex);
 		PeerInfo * dp = quickestPeer(to);
 		if (dp == 0) {
 			//piCoutObj << "Can`t find peer \"" << to << "\"!";
+			eth_mutex.unlock();
 			return true;
 		}
 		cnt++;
@@ -536,6 +548,7 @@ bool PIPeer::dataRead(uchar * readed, int size) {
 		//piCout << "translate packet" << from << "->" << to << ", ttl =" << cnt;
 		sendToNeighbour(dp, sba);
 	}
+	eth_mutex.unlock();
 	return true;
 }