From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MOwMD-0008TH-PH for qemu-devel@nongnu.org; Thu, 09 Jul 2009 12:20:25 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MOwM9-0008R1-48 for qemu-devel@nongnu.org; Thu, 09 Jul 2009 12:20:25 -0400 Received: from [199.232.76.173] (port=34523 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MOwM8-0008Qt-QB for qemu-devel@nongnu.org; Thu, 09 Jul 2009 12:20:20 -0400 Received: from mx2.redhat.com ([66.187.237.31]:48979) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MOwM8-00071q-4I for qemu-devel@nongnu.org; Thu, 09 Jul 2009 12:20:20 -0400 Message-ID: <4A5618C0.3040902@redhat.com> Date: Thu, 09 Jul 2009 18:20:16 +0200 From: Paolo Bonzini MIME-Version: 1.0 Subject: Re: [Qemu-devel] [PATCH 0/3] add "core dump"-like capability References: <1247140059-5034-1-git-send-email-pbonzini@redhat.com> <4A55F3DD.3080802@codemonkey.ws> <4A55F49F.1070601@redhat.com> <4A5602D1.7060908@redhat.com> In-Reply-To: <4A5602D1.7060908@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gerd Hoffmann Cc: qemu-devel@nongnu.org >>> But really, live migration gives you all the state you need. Why not >>> just introduce a third-party program that you could live migrate to via >>> exec? >> >> dd can be such a program, but how would you restart the VM at the end of >> migration? > > 'cont' monitor command? That's okay for libvirt, but it wouldn't work for other users if the monitor does not support synchronous commands. (Assuming polling is not a solution). Paolo