From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:56936) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TofDu-0001zW-Mq for qemu-devel@nongnu.org; Fri, 28 Dec 2012 14:04:04 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TofDt-0003jz-Gq for qemu-devel@nongnu.org; Fri, 28 Dec 2012 14:04:02 -0500 Received: from mail.profihost.ag ([85.158.179.208]:50280) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TofDt-0003jd-73 for qemu-devel@nongnu.org; Fri, 28 Dec 2012 14:04:01 -0500 Message-ID: <50DDED1C.2020208@profihost.ag> Date: Fri, 28 Dec 2012 20:03:56 +0100 From: Stefan Priebe MIME-Version: 1.0 References: <50DCC3AF.7020802@profihost.ag> <50DDDCB2.1060403@redhat.com> In-Reply-To: <50DDDCB2.1060403@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: qemu-devel , Alexandre DERUMIER , Juan Quintela Hi Paolo, Am 28.12.2012 18:53, schrieb Paolo Bonzini: > Il 28/12/2012 08:05, Alexandre DERUMIER ha scritto: >> Hi list, >> After discuss with Stefan Yesterday here some more info: >> >> (this is for stable qemu 1.3, it was working fine with qemu 1.2) >> >> The problem seem that whesettings a migrate_set_downtime to 1sec, >> >> the transfert of the vm seem to send all the memory of the vm in 1 step, and not by increment. >> So the downtime is really huge , 90000ms for 1GB memory. > > Can you try commit bde54c08b4854aceee3dee25121a2b835cb81166? i cherry picked that one on top of 1.3 sadly it does not help. VM halts, monitor socket is no longer available kvm process is running with 100% CPU on source side. Greets, Stefan