From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:33713) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ToG0U-00028Z-Da for qemu-devel@nongnu.org; Thu, 27 Dec 2012 11:08:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ToG0T-0000Mn-BZ for qemu-devel@nongnu.org; Thu, 27 Dec 2012 11:08:30 -0500 Received: from mail-wi0-f178.google.com ([209.85.212.178]:40126) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ToG0T-0000MX-51 for qemu-devel@nongnu.org; Thu, 27 Dec 2012 11:08:29 -0500 Received: by mail-wi0-f178.google.com with SMTP id hn3so5446052wib.17 for ; Thu, 27 Dec 2012 08:08:28 -0800 (PST) Sender: Paolo Bonzini Message-ID: <50DC7277.3090703@redhat.com> Date: Thu, 27 Dec 2012 17:08:23 +0100 From: Paolo Bonzini MIME-Version: 1.0 References: <50DC6CE8.8030905@redhat.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PULL 00/34] migration thread and queue List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alexandre DERUMIER Cc: qemu-devel@nongnu.org, anthony@codemonkey.ws, Juan Quintela Il 27/12/2012 16:51, Alexandre DERUMIER ha scritto: >>> 1) What happened before these patches? If something different, can you >>> bisect it? > Well, qemu 1.3 stable release, was working slowly (bigger downtime), but no crash. > I don't see any changes since 1.3 and theses patches. These patches are 34. :) Bisecting among them will already be of huge help. >>> 2) Do you get anything on the console (stdout)? See >>> kvm_handle_internal_error in kvm-all.c for what to expect. > I'll have a look at this. > Currently I start the target vm with --daemonize, does I need to remove this option to see stdout ? Yes, please do that so that you can also bisect the problem. BTW, what kernel version? Does it reproduce with migrate exec:cat>foo.save and then, when migration finishes, loading it with "-incoming 'exec:cat foo.save'"? Paolo