From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39648) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8Obe-0004Rj-4i for qemu-devel@nongnu.org; Fri, 26 Jun 2015 04:03:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z8ObZ-0007RI-5R for qemu-devel@nongnu.org; Fri, 26 Jun 2015 04:03:26 -0400 Received: from szxga01-in.huawei.com ([58.251.152.64]:44548) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8ObY-0007OS-Em for qemu-devel@nongnu.org; Fri, 26 Jun 2015 04:03:21 -0400 Message-ID: <558D072F.7030806@huawei.com> Date: Fri, 26 Jun 2015 16:02:55 +0800 From: Gonglei MIME-Version: 1.0 References: <1435303314-10021-1-git-send-email-lizhijian@cn.fujitsu.com> In-Reply-To: <1435303314-10021-1-git-send-email-lizhijian@cn.fujitsu.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 0/2] avoid a hotplug operation leading migration's source side abort List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Li Zhijian , qemu-devel@nongnu.org, pbonzini@redhat.com, quintela@redhat.com, amit.shah@redhat.com On 2015/6/26 15:21, Li Zhijian wrote: > qemu migration's source side will exit unexpectedly when we hotplug a deivce > during a migration is processing. Can we simply disable hot-plugging functions during migration process? Regards, -Gonglei > we can reproduced it easily by following step > 1. do something with dirty memory requently(like memtester) in guest > 2. startup a background migraion with '-d' option > 3. hotplug a device(device_add e1000,id=mye1000) > 4. stop step.1, let guest idle so that migration can complete fastly