From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45490) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bABAc-0003aX-Rj for qemu-devel@nongnu.org; Tue, 07 Jun 2016 03:11:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bABAZ-0004lw-Ie for qemu-devel@nongnu.org; Tue, 07 Jun 2016 03:11:26 -0400 Received: from mx-v6.kamp.de ([2a02:248:0:51::16]:43113 helo=mx01.kamp.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bABAZ-0004lL-8l for qemu-devel@nongnu.org; Tue, 07 Jun 2016 03:11:23 -0400 References: <57557B7B.2070301@kamp.de> <57559C00.6010009@kamp.de> From: Peter Lieven Message-ID: <57567396.4070205@kamp.de> Date: Tue, 7 Jun 2016 09:11:18 +0200 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [Qemu-stable] Broken live Migration in Qemu 2.5.1.1? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Priebe - Profihost AG Cc: "qemu-devel@nongnu.org" , qemu-stable@nongnu.org, yanghy@cn.fujitsu.com, jasowang@redhat.com Am 06.06.2016 um 18:13 schrieb Stefan Priebe - Profihost AG: > We're most probably seeing the same while migrating a machine running balanceng but haven't thought this might be a qemu bug. Instead we're investigating with balanceng people. > > Waiting for your further results. This obviously is a regression. It was introduced between v2.4.0 and v2.5.0. I can clearly see RARPs being no longer emitted after this commit: fefe2a78abde932e0f340b21bded2c86def1d242 is the first bad commit commit fefe2a78abde932e0f340b21bded2c86def1d242 Author: Yang Hongyang Date: Wed Oct 7 11:52:16 2015 +0800 net: merge qemu_deliver_packet and qemu_deliver_packet_iov qemu_deliver_packet_iov already have the compat delivery, we can drop qemu_deliver_packet. Signed-off-by: Yang Hongyang Signed-off-by: Jason Wang I will analyze further. Peter