From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47455) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bB4YG-0001bM-Qh for qemu-devel@nongnu.org; Thu, 09 Jun 2016 14:19:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bB4YB-0000qV-Mt for qemu-devel@nongnu.org; Thu, 09 Jun 2016 14:19:31 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:22673 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bB4YB-0000qD-Gm for qemu-devel@nongnu.org; Thu, 09 Jun 2016 14:19:27 -0400 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u59IEDcG096006 for ; Thu, 9 Jun 2016 14:19:26 -0400 Received: from e38.co.us.ibm.com (e38.co.us.ibm.com [32.97.110.159]) by mx0b-001b2d01.pphosted.com with ESMTP id 23e9m4tuf9-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 09 Jun 2016 14:19:26 -0400 Received: from localhost by e38.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 9 Jun 2016 12:19:26 -0600 Reply-To: jjherne@linux.vnet.ibm.com References: <574351CE.8000605@linux.vnet.ibm.com> From: "Jason J. Herne" Date: Thu, 9 Jun 2016 14:19:18 -0400 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Message-Id: <5759B326.1040006@linux.vnet.ibm.com> Subject: Re: [Qemu-devel] coroutines: block: Co-routine re-entered recursively when migrating disk with iothreads List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Hajnoczi Cc: Fam Zheng , qemu block , Juan Quintela , Jeff Cody , qemu-devel , Stefan Hajnoczi On 06/09/2016 12:31 PM, Stefan Hajnoczi wrote: > On Mon, May 23, 2016 at 7:54 PM, Jason J. Herne > wrote: >> Libvirt migration command: >> virsh migrate --live --persistent --copy-storage-all --migrate-disks vdb >> kvm1 qemu+ssh://dev1/system > > I guess that this is the same scenario as a manual drive_mirror + > migrate test I have been doing. I also get the "Co-routine re-entered > recursively" error message. > > I've CCed you on an (unfinished) patch that solves the abort. Please > test it and let me know! > Stefan, Yes!! This patch fixes the problem in our environment :) Thank you for digging into it and finding a solution. We'll patiently await a completed patch. -- -- Jason J. Herne (jjherne@linux.vnet.ibm.com)