From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesper Krogh Subject: Re: Regression in bonding between 2.6.26.8 and 2.6.27.6 - bisected Date: Fri, 27 Feb 2009 21:07:30 +0100 Message-ID: <49A84802.7030502@krogh.cc> References: <491FEAD5.4090205@krogh.cc> <49A7B17F.2020408@krogh.cc> <16084.1235752119@death.nxdomain.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Linux Kernel Mailing List , "netdev@vger.kernel.org" , Jeff Garzik , aowi@novozymes.com To: Jay Vosburgh Return-path: Received: from 2605ds1-ynoe.1.fullrate.dk ([90.184.12.24]:48635 "EHLO shrek.krogh.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756839AbZB0UHm (ORCPT ); Fri, 27 Feb 2009 15:07:42 -0500 In-Reply-To: <16084.1235752119@death.nxdomain.ibm.com> Sender: netdev-owner@vger.kernel.org List-ID: Jay Vosburgh wrote: > Jesper Krogh wrote: > [...] >> The offending commit seems to be: >> >> A test with a fresh 2.6.29-rc6 revealed that the problem has been fixed >> subsequently.. but still exists in 2.6.27-newest. (havent tested >> 2.6.28-newest yet). >> >> Any ideas of what the "fixing" commit is .. or should that also be >> bisected? > > I went back and looked at your earlier mail. Since you're using > 802.3ad mode, my first guess would be this commit: > > commit fd989c83325cb34795bc4d4aa6b13c06f90eac99 > Author: Jay Vosburgh > Date: Tue Nov 4 17:51:16 2008 -0800 > > bonding: alternate agg selection policies for 802.3ad That didn't do it.. I applied it to 2.6.27.19 but it didnt make that work. dmesg | grep bond (2.6.27.19 + above patch). [ 13.643301] bonding: MII link monitoring set to 100 ms [ 13.730455] bonding: bond0: enslaving eth0 as a backup interface with an up link. [ 13.781934] bonding: bond0: enslaving eth1 as a backup interface with an up link. [ 13.904665] bonding: bond0: enslaving eth2 as a backup interface with a down link. [ 16.945264] bonding: bond0: link status definitely up for interface eth2. [ 75.040290] bond0: no IPv6 routers present dmesg | grep bond (2.6.29-rc6) $ ssh quad02 dmesg | grep bond [ 27.437877] bonding: MII link monitoring set to 100 ms [ 27.445246] ADDRCONF(NETDEV_UP): bond0: link is not ready [ 27.493260] bonding: bond0: enslaving eth0 as a backup interface with a down link. [ 27.521397] bonding: bond0: enslaving eth1 as a backup interface with a down link. [ 27.542332] bonding: bond0: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 27.611509] bonding: bond0: enslaving eth2 as a backup interface with a down link. [ 27.617017] ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 27.642330] bonding: bond0: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 30.042501] bonding: bond0: link status definitely up for interface eth1. [ 30.142505] bonding: bond0: link status definitely up for interface eth0. [ 30.742547] bonding: bond0: link status definitely up for interface eth2. [ 37.875044] bond0: no IPv6 routers present I just tested 2.6.28.7.. it still broken. So the fix probably has to be somewhere in the post 2.6.28 sets. -- Jesper