From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Frederic Sowa Subject: Re: IGMP joins come from the wrong SA/interface Date: Thu, 30 Jan 2014 15:17:47 +0100 Message-ID: <20140130141747.GC25336@order.stressinduktion.org> References: <20140118191107.GA21979@sesse.net> <20140119181806.GC16462@order.stressinduktion.org> <20140120184025.GA19972@sesse.net> <20140130104709.GA21178@sesse.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: netdev@vger.kernel.org To: "Steinar H. Gunderson" Return-path: Received: from order.stressinduktion.org ([87.106.68.36]:46863 "EHLO order.stressinduktion.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752750AbaA3ORs (ORCPT ); Thu, 30 Jan 2014 09:17:48 -0500 Content-Disposition: inline In-Reply-To: <20140130104709.GA21178@sesse.net> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, Jan 30, 2014 at 11:47:09AM +0100, Steinar H. Gunderson wrote: > On Mon, Jan 20, 2014 at 07:40:25PM +0100, Steinar H. Gunderson wrote: > >> I currently only remember one commit 0a7e22609067ff ("ipv4: fix > >> ineffective source address selection") which did affect multicast source > >> address selection in recent times. > > I tried 3.10.27, just to check something older. I also tried 3.10.27 with > > 0a7e22609067ff reverted, and it's still wrong. > > > > I am thinking this might have something to do with the machine switching to > > systemd, presumably changing the order of DHCP and static addresses being > > assigned... > > Anything more I can do here? Can you give a bit more background what multicast application you are running on the box and also post a cat /proc/net/igmp? (For the application info an strace how the join to the multicast address would be interesting.) I guess a workaround would be to bind the join to a specific interface. Greetings, Hannes