From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752407AbYDELJi (ORCPT ); Sat, 5 Apr 2008 07:09:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751478AbYDELJ1 (ORCPT ); Sat, 5 Apr 2008 07:09:27 -0400 Received: from ns.unixsol.org ([193.110.159.2]:44252 "EHLO ns.unixsol.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751476AbYDELJ0 (ORCPT ); Sat, 5 Apr 2008 07:09:26 -0400 Message-ID: <47F75DE5.4060407@unixsol.org> Date: Sat, 05 Apr 2008 14:09:25 +0300 From: Georgi Chorbadzhiyski Organization: Unix Solutions Ltd. (http://unixsol.org) User-Agent: Thunderbird 2.0.0.12 (X11/20080213) MIME-Version: 1.0 To: =?ISO-8859-1?Q?Ilpo_J=E4rvinen?= CC: Linux Kernel Mailing List , Netdev Subject: Re: Linux 2.6.25-rc6: WARNING: at net/ipv4/tcp_input.c:2510 References: <47EBCB75.6030600@unixsol.org> <47F5C7D1.1080906@unixsol.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Around 04/04/08 22:15, Ilpo Järvinen scribbled: >> The machine that gave me this error is a http and ftp server handling not >> very busy distro mirror (if this can give you any clues). >> >>> processing expensive verification of TCP state (validates TCP write queue >>> invariants multiple times per ACK by scanning through the write queue) on >>> such machine? >> How to run such a thing, can you give me some pointers? > > I sent the patch recently to netdev/lkml: > > http://marc.info/?l=linux-netdev&m=120733529216457&w=2 > > But it's very expensive in processing wise so it might not be wise to put > it in if performance is important for you. Ok, I patched the kernel and will let it run for a while. Performance is an issue but I think it's better to pinpoint the bug. -- Georgi Chorbadzhiyski http://georgi.unixsol.org/