From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752580AbXBDWbZ (ORCPT ); Sun, 4 Feb 2007 17:31:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752579AbXBDWbZ (ORCPT ); Sun, 4 Feb 2007 17:31:25 -0500 Received: from wx-out-0506.google.com ([66.249.82.229]:49587 "EHLO wx-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752580AbXBDWbY (ORCPT ); Sun, 4 Feb 2007 17:31:24 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:mime-version:content-type:content-transfer-encoding:content-disposition; b=g1VAFFbjSXfEr7KumoKPLp5TOLWdpTH5Md/R62FT+5tYB1ONweFA9+ujlsekHsK+DRbQ8+R3+3Ymt1JwhjYsGlCGZPXkErfK/EorOobZUe+VgMbWnR1mUKyjdjMSkT/AL0T6B2ddiNAUUryEzpICGsvX4DMURQ8R0eBKMFDd0QE= Message-ID: <82e4877d0702041431p555e644et35845db674304403@mail.gmail.com> Date: Sun, 4 Feb 2007 17:31:23 -0500 From: "Parag Warudkar" To: linux-netdev@vger.kernel.org Subject: Unexpected Acknowledgement / Stalled Connections Cc: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I am running 2.6.20 and have trouble with stalled connections. For instance, if I try to download a debian ISO image using wget, the connection runs fine for few seconds and then stalls for ever. In my router logs I see a ton of messages like the below - [INFO] Sun Feb 04 17:22:03 2007 Blocked incoming TCP packet from 192.168.0.174:34090 to 130.239.18.138:80 with unexpected acknowledgement 3269301836 (expected 3269343453 to 3269408989) Where 192.168.0.174 is my laptop running FC6 and kernel 2.6.20 and 130.239.18.138 is whatever cdimage.debian.org resolves to atm. What's going on here? Any TCP/IP tunable that I can set/turn on/off to prevent this from happening? Thanks Parag