From owner-freebsd-questions@FreeBSD.ORG  Mon Jan 11 10:51:59 2010
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 92C6C1065692
	for <freebsd-questions@freebsd.org>;
	Mon, 11 Jan 2010 10:51:59 +0000 (UTC)
	(envelope-from david@vizion2000.net)
Received: from dns1.vizion2000.net (dns1.vizion2000.net [62.49.197.50])
	by mx1.freebsd.org (Postfix) with ESMTP id 46EFA8FC13
	for <freebsd-questions@freebsd.org>;
	Mon, 11 Jan 2010 10:51:59 +0000 (UTC)
Received: by dns1.vizion2000.net (Postfix, from userid 1001)
	id 67E3E34D449; Mon, 11 Jan 2010 10:51:56 +0000 (GMT)
From: David Southwell <david@vizion2000.net>
Organization: Voice & Vision
To: freebsd-questions@freebsd.org
Date: Mon, 11 Jan 2010 10:51:56 +0000
User-Agent: KMail/1.12.4 (FreeBSD/7.2-RELEASE-p3; KDE/4.3.4; amd64; ; )
MIME-Version: 1.0
Content-Type: text/plain;
  charset="us-ascii"
Content-Transfer-Encoding: 7bit
Message-Id: <201001111051.56331.david@vizion2000.net>
Subject: syncache_timer: errors; What do they mean?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 11 Jan 2010 10:51:59 -0000

Here are some example entries in /var/log/messages (server ip address removed 
and replaced by [xxx.xxx.xxx.xxx] :

Can anyone please tell me what thses messages mean and what action (if any) I 
should be taking.
Thanks in advance for any replies
Jan 11 10:41:57 dns1 kernel: TCP: [113.53.173.247]:63584 to 
[xxx.xxx.xxx.xxx]:25; syncache_timer: Response timeout, retransmitting (1) 
SYN|ACK
Jan 11 10:42:01 dns1 kernel: TCP: [113.53.173.247]:63429 to 
[xxx.xxx.xxx.xxx]:25; syncache_timer: Response timeout, retransmitting (2) 
SYN|ACK
Jan 11 10:42:03 dns1 kernel: TCP: [113.53.173.247]:63584 to 
[xxx.xxx.xxx.xxx]:25; syncache_timer: Response timeout, retransmitting (2) 
SYN|ACK
Jan 11 10:42:13 dns1 kernel: TCP: [113.53.173.247]:63429 to 
[xxx.xxx.xxx.xxx]:25; syncache_timer: Response timeout, retransmitting (3) 
SYN|ACK
Jan 11 10:42:16 dns1 kernel: TCP: [113.53.173.247]:63584 to 
[xxx.xxx.xxx.xxx]:25; syncache_timer: Response timeout, retransmitting (3) 
SYN|ACK

David