From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: regression when connecting to ipv6 localhost Date: Mon, 15 Oct 2012 14:31:48 +0200 Message-ID: <1350304308.3954.66.camel@edumazet-glaptop> References: <1350242941.21172.17023.camel@edumazet-glaptop> <1350244485.21172.17077.camel@edumazet-glaptop> <1350246314.21172.17139.camel@edumazet-glaptop> <1350246414.21172.17144.camel@edumazet-glaptop> <1350246481.21172.17147.camel@edumazet-glaptop> <1350248858.21172.17197.camel@edumazet-glaptop> <1350250542.21172.17229.camel@edumazet-glaptop> <1350252091.21172.17257.camel@edumazet-glaptop> <1350279753.21172.17290.camel@edumazet-glaptop> <1350285275.22442.17.camel@joe-AO722> <1350286790.21172.17414.camel@edumazet-glaptop> <1350300302.22442.25.camel@joe-AO722> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Jan Hinnerk Stosch , netdev@vger.kernel.org To: Joe Perches Return-path: Received: from mail-la0-f46.google.com ([209.85.215.46]:33449 "EHLO mail-la0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753022Ab2JOMbw (ORCPT ); Mon, 15 Oct 2012 08:31:52 -0400 Received: by mail-la0-f46.google.com with SMTP id h6so3333937lag.19 for ; Mon, 15 Oct 2012 05:31:51 -0700 (PDT) In-Reply-To: <1350300302.22442.25.camel@joe-AO722> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, 2012-10-15 at 04:25 -0700, Joe Perches wrote: > > It looks more like a recently introduced app defect though. > > Jan's using a newer version of ntp than you are. > https://bugs.archlinux.org/task/31775 > ntp 4.2.6.p5-11 > Perhaps the defect was introduced in the ntp code with > this change: > > http://bk.ntp.org/ntp-stable/lib/isc/unix/interfaceiter.c?PAGE=diffs&REV=4e12bf8dJoMBgRoYzI9851nTqVBhgQ It seems you missed fact that /proc/net/if_inet6 doesnt include lo device for Jan machine. Even an old ntpd (or ifconfig -a) wont see lo device ::1 address if not listed in /proc/net/if_inet6 "ip -6 addr" doesnt parse /proc/net/if_inet6