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Date: Sun, 29 Jul 2007 01:56:56 -0700 (PDT)
Message-Id: <20070729.015656.41635835.davem@davemloft.net>
To: ilpo.jarvinen@helsinki.fi
Cc: w@1wt.eu, darryl-mailinglists@netbauds.net, linux-kernel@vger.kernel.org,
       netdev@vger.kernel.org
Subject: Re: TCP SACK issue, hung connection, tcpdump included
From: David Miller <davem@davemloft.net>
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From: "Ilpo_Järvinen" <ilpo.jarvinen@helsinki.fi>
Date: Sun, 29 Jul 2007 11:26:00 +0300 (EEST)

> Is this reproducable? Can you somehow verify that the packets CLIENT is 
> sending are indeed received by the SERVER...?

One possibility is drops due to checksum errors on the receiver, this
tends to pop up from time to time, let's see some SNMP statistics.