From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54017) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X4SO7-00017O-22 for qemu-devel@nongnu.org; Tue, 08 Jul 2014 06:12:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X4SNu-0005AN-DG for qemu-devel@nongnu.org; Tue, 08 Jul 2014 06:12:38 -0400 Received: from e06smtp13.uk.ibm.com ([195.75.94.109]:34638) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X4SNu-00059d-2p for qemu-devel@nongnu.org; Tue, 08 Jul 2014 06:12:26 -0400 Received: from /spool/local by e06smtp13.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 8 Jul 2014 11:12:23 +0100 Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by d06dlp03.portsmouth.uk.ibm.com (Postfix) with ESMTP id 4B04F1B08040 for ; Tue, 8 Jul 2014 11:12:58 +0100 (BST) Received: from d06av07.portsmouth.uk.ibm.com (d06av07.portsmouth.uk.ibm.com [9.149.37.248]) by b06cxnps3074.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s68ACK9f24838286 for ; Tue, 8 Jul 2014 10:12:20 GMT Received: from d06av07.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av07.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s68ACK7Y015274 for ; Tue, 8 Jul 2014 06:12:20 -0400 Message-ID: <53BBC403.1080500@de.ibm.com> Date: Tue, 08 Jul 2014 12:12:19 +0200 From: Christian Borntraeger MIME-Version: 1.0 References: <53BA8B49.9050709@de.ibm.com> <53BB9B6F.4080201@de.ibm.com> <53BBB545.4080601@de.ibm.com> In-Reply-To: <53BBB545.4080601@de.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] another locking issue in current dataplane code? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Ming Lei Cc: Cornelia Huck , Kevin Wolf , Dominik Dingel , "qemu-devel@nongnu.org" , Stefan Hajnoczi On 08/07/14 11:09, Christian Borntraeger wrote: > On 08/07/14 09:43, Ming Lei wrote: >> On Tue, Jul 8, 2014 at 3:19 PM, Christian Borntraeger >> wrote: >>> Ping. >>> >>> has anyone seen a similar hang on x86? > > The problem seems to be, that for managedsave, we do a VM stop before we call the migration_state_notifier. to be verified. Yes. virsh suspend also hangs. Any ideas?