Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933135AbYAaSyY (ORCPT ); Thu, 31 Jan 2008 13:54:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760183AbYAaSyG (ORCPT ); Thu, 31 Jan 2008 13:54:06 -0500 Received: from stinky.trash.net ([213.144.137.162]:56444 "EHLO stinky.trash.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759767AbYAaSyD (ORCPT ); Thu, 31 Jan 2008 13:54:03 -0500 Message-ID: <47A21945.2050005@trash.net> Date: Thu, 31 Jan 2008 19:53:57 +0100 From: Patrick McHardy User-Agent: Mozilla-Thunderbird 2.0.0.6 (X11/20071008) MIME-Version: 1.0 To: Jozsef Kadlecsik CC: Jeff Chua , lkml , Krzysztof Piotr Oledzki , "David S. Miller" , cups-bugs , Netfilter Development Mailinglist Subject: Re: cups slow on linux-2.6.24 References: <47A07FEA.3000702@trash.net> <47A13573.7090804@trash.net> <47A13FBD.8050803@trash.net> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1125 Lines: 29 Jozsef Kadlecsik wrote: > Hi Jeff, > > On Thu, 31 Jan 2008, Jeff Chua wrote: > >> On the bad run, I got the following message ... >> >> boston kernel: nf_ct_tcp: invalid packed ignored IN= OUT= >> SRC=127.0.0.1 DST=127.0.0.1 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=8162 >> DF PROTO=TCP SPT=1016 DPT=515 SEQ=3834958843 ACK=0 WINDOW=32792 >> RES=0x00 SYN URGP=0 OPT (0204400C0402080A0000CC190000000001030307) >> UID=0 GID=65534 > > I can't find this packet in the last lo.bad pcap file. Could you dump the > bad traffic and send it together with the generated log record? > > Strange, but there are a lot of incorrect checksum packets. How does it > come on the loopback interface? Loopback doesn't perform full checksumming, so thats expected. Current kernel versions can tell userspace that its only a partial checksum, but I'm not sure whether tcpdump already supports this. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/