From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tetja Rediske Subject: Re: PROBLEM: IPv6 TCP-Connections resetting Date: Sat, 06 Apr 2013 20:27:42 +0200 Message-ID: <5160691E.2080105@tetja.de> References: <20130405174828.310a02c3@trediske.ws.office.manitu.net> <20130406043534.GC30194@order.stressinduktion.org> <1460015.zN3jPXiAbD@cpaasch-mac> <1365270879.3887.4.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: christoph.paasch@uclouvain.be, Hannes Frederic Sowa , djduanjiong@gmail.com, netdev@vger.kernel.org, steffen.klassert@secunet.com, Neal Cardwell , David Miller To: Eric Dumazet Return-path: Received: from 159.75.238.89.in-addr.arpa.manitu.net ([89.238.75.159]:56642 "EHLO mail.py-ro.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1759107Ab3DFSgi (ORCPT ); Sat, 6 Apr 2013 14:36:38 -0400 In-Reply-To: <1365270879.3887.4.camel@edumazet-glaptop> Sender: netdev-owner@vger.kernel.org List-ID: Hi, > OK, it seems bug was added in commit > ec18d9a2691d69cd14b48f9b919fddcef28b7f5c > (ipv6: Add redirect support to all protocol icmp error handlers.) > Not sure why Tetja Rediske bisected t > 093d04d42fa094f6740bb188f0ad0c215ff61e2c there could be an simple explenation, because i couldn't realy provoke it with direct connected machines I did it on one of our least important DNS-Server, I did a "bad" everytime the connection fault and did a "good" after a some succesful connects (with waiting Time in between). If the Bug is based on an ICMPv6 redirect in the meantime a redirect could be sent out without me noticing. I did not keep the tcpdump running while bisect(?ing?). I will happily try the patch, when I get to work Monday, weekend is mostly for family. ;) Tetja