From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752793Ab0CYQqR (ORCPT ); Thu, 25 Mar 2010 12:46:17 -0400 Received: from lennier.cc.vt.edu ([198.82.162.213]:54065 "EHLO lennier.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750967Ab0CYQqP (ORCPT ); Thu, 25 Mar 2010 12:46:15 -0400 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.2 To: Andrew Morton Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: mmotm 2010-03-23 - IPv6 warnings... In-Reply-To: Your message of "Wed, 24 Mar 2010 18:42:26 EDT." <20100324184226.3bf42d8f.akpm@linux-foundation.org> From: Valdis.Kletnieks@vt.edu References: <201003232301.o2NN1bms031050@imap1.linux-foundation.org> <12096.1269481001@localhost> <20100324184226.3bf42d8f.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1269535530_3923P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Thu, 25 Mar 2010 12:45:30 -0400 Message-ID: <4788.1269535530@localhost> X-Mirapoint-Received-SPF: 128.173.14.107 localhost Valdis.Kletnieks@vt.edu 2 pass X-Mirapoint-IP-Reputation: reputation=neutral-1, source=Fixed, refid=n/a, actions=MAILHURDLE SPF TAG X-Junkmail: UCE(50) X-Junkmail-Info: (45) HELO_LOCALHOST X-Junkmail-Status: score=50/50, host=vivi.cc.vt.edu X-Junkmail-SD-Raw: score=bulk(0), refid=str=0001.0A020202.4BAB9332.01C8,ss=3,fgs=0, ip=0.0.0.0, so=2009-09-22 00:05:22, dmn=2009-09-10 00:05:08, mode=multiengine X-Junkmail-IWF: false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_1269535530_3923P Content-Type: text/plain; charset=us-ascii On Wed, 24 Mar 2010 18:42:26 EDT, Andrew Morton said: > On Wed, 24 Mar 2010 21:36:41 -0400 Valdis.Kletnieks@vt.edu wrote: > > > On Tue, 23 Mar 2010 15:34:59 PDT, akpm@linux-foundation.org said: > > > The mm-of-the-moment snapshot 2010-03-23-15-34 has been uploaded to > > > > > > http://userweb.kernel.org/~akpm/mmotm/ > > > > Seen in my dmesg. It may be relevant that I'm at home, and my IPv6 > > prefix arrives via a PPP VPN connection. This happened about 20-25 seconds > > after I launched pppd. > > Yes, thanks, I get the same - it doesn't seem to break anything. It > also happens some time after boot has completed. Just doing an 'ifup eth0' on a network with IPv6 on it is sufficient. And it does break stuff: % ifconfig eth0 eth0 Link encap:Ethernet HWaddr 00:24:E8:C6:AD:17 inet addr:128.173.14.107 Bcast:128.173.15.255 Mask:255.255.252.0 inet6 addr: fe80::224:e8ff:fec6:ad17/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 With 2.6.34-rc1-mmotm0309, I see: % ifconfig eth0 eth0 Link encap:Ethernet HWaddr 00:24:E8:C6:AD:17 inet addr:128.173.14.107 Bcast:128.173.15.255 Mask:255.255.252.0 inet6 addr: 2001:468:c80:2103:224:e8ff:fec6:ad17/64 Scope:Global inet6 addr: fe80::224:e8ff:fec6:ad17/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Something ate my IPv6 address. We run a lot of IPv6 in production, so stuff is acting wonky. --==_Exmh_1269535530_3923P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFLq5MqcC3lWbTT17ARAtBFAJ9A4+be940OdkBcHV2GMPkZcbvcsQCfVHkf hRF8cPitJhxdSO45oNVnnnA= =xB9H -----END PGP SIGNATURE----- --==_Exmh_1269535530_3923P--