From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33590) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WnkjM-00056A-AI for qemu-devel@nongnu.org; Fri, 23 May 2014 04:21:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WnkjE-0000n3-R1 for qemu-devel@nongnu.org; Fri, 23 May 2014 04:21:32 -0400 Received: from mx.beyond.pl ([92.43.117.49]:46883) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WnkjE-0000mu-Ky for qemu-devel@nongnu.org; Fri, 23 May 2014 04:21:24 -0400 Message-ID: <537F04FF.7010700@beyond.pl> Date: Fri, 23 May 2014 10:21:19 +0200 From: =?UTF-8?B?TWFyY2luIEdpYnXFgmE=?= MIME-Version: 1.0 References: <537E62CE.2050302@beyond.pl> <537E66A5.9010609@beyond.pl> <537F047C.9010800@redhat.com> In-Reply-To: <537F047C.9010800@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] qemu 2.0, deadlock in block-commit List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini , qemu-devel@nongnu.org On 23.05.2014 10:19, Paolo Bonzini wrote: > Il 22/05/2014 23:05, Marcin Gibu=C5=82a ha scritto: >> Some more info. >> VM was doing lot of write IO during this test. > > QEMU is waiting for librados to complete I/O. Can you reproduce it wit= h > a different driver? I'll try. However RBD is used only as read-only ISO -=20 rbd:iso-images/rescue.iso:auth_supported=3Dnone,if=3Dnone,id=3Ddrive-ide0= -0-0,readonly=3Don,format=3Draw)=20 - what IO would it have to complete? --=20 mg