From owner-freebsd-stable@FreeBSD.ORG Sun Apr 17 09:59:28 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D9DBF106566B for ; Sun, 17 Apr 2011 09:59:28 +0000 (UTC) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from mx1.sbone.de (mx1.sbone.de [IPv6:2a01:4f8:130:3ffc::401:25]) by mx1.freebsd.org (Postfix) with ESMTP id 6A72F8FC1A for ; Sun, 17 Apr 2011 09:59:28 +0000 (UTC) Received: from mail.sbone.de (mail.sbone.de [IPv6:fde9:577b:c1a9:31::2013:587]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mx1.sbone.de (Postfix) with ESMTPS id 3D22B25D37C4; Sun, 17 Apr 2011 09:59:26 +0000 (UTC) Received: from content-filter.sbone.de (content-filter.sbone.de [IPv6:fde9:577b:c1a9:31::2013:2742]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPS id 6FCBF159D1EE; Sun, 17 Apr 2011 09:59:25 +0000 (UTC) X-Virus-Scanned: amavisd-new at sbone.de Received: from mail.sbone.de ([IPv6:fde9:577b:c1a9:31::2013:587]) by content-filter.sbone.de (content-filter.sbone.de [fde9:577b:c1a9:31::2013:2742]) (amavisd-new, port 10024) with ESMTP id Y-fgSoIpz9Rj; Sun, 17 Apr 2011 09:59:18 +0000 (UTC) Received: from nv.sbone.de (nv.sbone.de [IPv6:fde9:577b:c1a9:31::2013:138]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPSA id 6A757159D1F6; Sun, 17 Apr 2011 09:59:18 +0000 (UTC) Date: Sun, 17 Apr 2011 09:59:17 +0000 (UTC) From: "Bjoern A. Zeeb" To: Pete French In-Reply-To: Message-ID: References: X-OpenPGP-Key: 0x14003F198FEFA3E77207EE8D2B58B8F83CCF1842 MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-stable@freebsd.org Subject: RE: IPv6 / ndp taking a long time to resolve in this weeks STABLE X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 Apr 2011 09:59:28 -0000 On Wed, 13 Apr 2011, Pete French wrote: Hi, > Hi, thanks for the email - I canb recreate this very easily here > now. I have also shown that it the problem doesnt happen > on a kernel from Feb 25th, but does happen on a kernel from > this week. I assume both are stable/8? Are you sure on the Feb 25th kernel doing ok or could it be that you are just more lucky? > cery easy to demonstarte - set up 2 machines. Ping one > from the other so that it is pinging nicely. Then delete the ndp > entry. The ping freezes - sometimes for 20 seconds! It > eventually starts again with all the inrtervening packets lost. > This only happens if the machone being oinged is running the > newer kernel. If you do it the other way round then all > is fine. Yes, that would make sense from what I have just observed elsewhere. So I guess my question about the Feb 25th kernel is irrelevant but getting a confirmation on the branch would be good. I would assume that if you have both machines running the newer kernel and would start ping6 from both things would also start working immediately. /bz -- Bjoern A. Zeeb You have to have visions! Stop bit received. Insert coin for new address family.