From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56690) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yawmn-00070U-0v for qemu-devel@nongnu.org; Wed, 25 Mar 2015 21:40:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Yawmj-0007r5-Fb for qemu-devel@nongnu.org; Wed, 25 Mar 2015 21:40:40 -0400 Received: from [59.151.112.132] (port=36614 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yawmj-0007qY-4r for qemu-devel@nongnu.org; Wed, 25 Mar 2015 21:40:37 -0400 Message-ID: <55136450.7070404@cn.fujitsu.com> Date: Thu, 26 Mar 2015 09:43:44 +0800 From: Wen Congyang MIME-Version: 1.0 References: <55128084.2040304@huawei.com> <87a8z12yot.fsf@neno.neno> <55128C1D.5080002@cn.fujitsu.com> <5512B423.7080801@redhat.com> In-Reply-To: <5512B423.7080801@redhat.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [Migration Bug? ] Occasionally, the content of VM's memory is inconsistent between Source and Destination of migration List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini , quintela@redhat.com, zhanghailiang Cc: hangaohuai@huawei.com, Li Zhijian , qemu-devel@nongnu.org, peter.huangpeng@huawei.com, "Gonglei (Arei)" , Amit Shah , "Dr. David Alan Gilbert (git)" , david@gibson.dropbear.id.au On 03/25/2015 09:12 PM, Paolo Bonzini wrote: > > > On 25/03/2015 11:21, Wen Congyang wrote: >>> What kind of load were you having when reproducing this issue? >>> Just to confirm, you have been able to reproduce this without COLO >>> patches, right? >> >> I can reproduce it without COLO patches. > > Thanks. Please try doing mprotect (using qemu_ram_foreach_block to > mprotect all the areas) after ram_save_complete. Nothing happens, so no memory is touched after ram_save_complte() Thanks Wen Congyang > > Paolo > . >