fix #1293

default.yaml

@@ -664,7 +664,6 @@ logging:
         #   server          server startup, rehash, and shutdown events
         #   accounts        account registration and authentication
         #   channels        channel creation and operations
-        #   commands        command calling and operations
         #   opers           oper actions, authentication, etc
         #   services        actions related to NickServ, ChanServ, etc.
         #   internal        unexpected runtime behavior, including potential bugs

irc/client.go

@@ -1675,10 +1675,14 @@ func (session *Session) SendRawMessage(message ircmsg.IrcMessage, blocking bool)
 	}
 
 	if blocking {
-		return session.socket.BlockingWrite(line)
+		err = session.socket.BlockingWrite(line)
 	} else {
-		return session.socket.Write(line)
+		err = session.socket.Write(line)
 	}
+	if err != nil {
+		session.client.server.logger.Info("quit", "send error to client", fmt.Sprintf("%s [%d]", session.client.Nick(), session.sessionID), err.Error())
+	}
+	return err
 }
 
 // Send sends an IRC line to the client.