From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52459) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X83QO-0007tY-JV for qemu-devel@nongnu.org; Fri, 18 Jul 2014 04:22:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X83QE-0008ST-4Q for qemu-devel@nongnu.org; Fri, 18 Jul 2014 04:21:52 -0400 Received: from mx.beyond.pl ([92.43.117.49]:48393) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X83QD-0008S6-Th for qemu-devel@nongnu.org; Fri, 18 Jul 2014 04:21:42 -0400 Message-ID: <53C8D90B.7080804@beyond.pl> Date: Fri, 18 Jul 2014 10:21:31 +0200 From: =?UTF-8?B?TWFyY2luIEdpYnXFgmE=?= MIME-Version: 1.0 References: <20140715210948.GA20036@amt.cnet> <53C5A4C9.80609@redhat.com> <20140716011634.GA30717@amt.cnet> <20140716115229.GA7741@amt.cnet> <53C6EE7C.60702@beyond.pl> <53C79C41.4000800@beyond.pl> <53C7B989.9000203@beyond.pl> <53C7CEE5.4080006@beyond.pl> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] latest rc: virtio-blk hangs forever after migration List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Andrey Korolyov Cc: Amit Shah , Paolo Bonzini , Marcelo Tosatti , Fam Zheng , "qemu-devel@nongnu.org" >> could you try attached patch? It's an incredibly ugly workaround that calls >> cpu_synchronize_all_states() in a way that bypasses lazy execution logic. >> >> But it works for me. If that works for you as well, its somehow related to >> lazy execution of cpu_synchronize_all_states. >> >> -- >> mg > > Yes, it working well with writeback cache too. Does it fix problem with libvirt migration timing out for you as well? -- mg