From mboxrd@z Thu Jan 1 00:00:00 1970 From: Georgi Chorbadzhiyski Subject: Re: Linux 2.6.25-rc6: WARNING: at net/ipv4/tcp_input.c:2510 Date: Fri, 04 Apr 2008 09:16:49 +0300 Message-ID: <47F5C7D1.1080906@unixsol.org> References: <47EBCB75.6030600@unixsol.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Linux Kernel Mailing List , Netdev To: =?ISO-8859-1?Q?Ilpo_J=E4rvinen?= Return-path: Received: from ns.unixsol.org ([193.110.159.2]:44169 "EHLO ns.unixsol.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752031AbYDDGQu (ORCPT ); Fri, 4 Apr 2008 02:16:50 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: Around 04/03/08 13:17, Ilpo J=E4rvinen scribbled: > On Thu, 27 Mar 2008, Georgi Chorbadzhiyski wrote: >=20 >> A week ago I updated one of my servers to 2.6.25-rc6 and today looki= ng >> through logs I've found these: >> >> [380219.823434] ------------[ cut here ]------------ >> [380219.823450] WARNING: at net/ipv4/tcp_input.c:2510 tcp_ack+0xc7e/= 0x177d() >=20 > Is this reproducable for you? If yes, is it possible for you to run=20 Not in the moment. I'm not getting such errors in the log since my last report. Today I'll= update to latest -git and will restart the server. The machine that gave me this error is a http and ftp server handling n= ot very busy distro mirror (if this can give you any clues). > processing expensive verification of TCP state (validates TCP write q= ueue=20 > invariants multiple times per ACK by scanning through the write queue= ) on=20 > such machine? How to run such a thing, can you give me some pointers? --=20 Georgi Chorbadzhiyski http://georgi.unixsol.org/