From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57439) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YdG5P-0000Ce-Eo for qemu-devel@nongnu.org; Wed, 01 Apr 2015 06:41:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YdG5M-0006qo-N2 for qemu-devel@nongnu.org; Wed, 01 Apr 2015 06:41:27 -0400 Received: from indium.canonical.com ([91.189.90.7]:35712) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YdG5M-0006qa-HO for qemu-devel@nongnu.org; Wed, 01 Apr 2015 06:41:24 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.76 #1 (Debian)) id 1YdG5L-00027u-DX for ; Wed, 01 Apr 2015 10:41:23 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 61EDD2E80C3 for ; Wed, 1 Apr 2015 10:41:23 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Wed, 01 Apr 2015 10:32:28 -0000 From: Henrik Andersson <1354167@bugs.launchpad.net> Sender: bounces@canonical.com References: <20140807211622.24181.42179.malonedeb@wampee.canonical.com> Message-Id: <20150401103228.25257.88634.malone@gac.canonical.com> Errors-To: bounces@canonical.com Subject: [Qemu-devel] [Bug 1354167] Re: On VM restart: Could not open 'poppy.qcow2': Could not read snapshots: File too large Reply-To: Bug 1354167 <1354167@bugs.launchpad.net> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org I stumble upon the same problem. Made the same mistake taking a snapshot using qemu-img on a running virtual machine. It was easily fixed using qemu-img v1.7.2 binaries as mentioned earlier: ./qemu-img convert bad.qcow2 fixed.qcow2 -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1354167 Title: On VM restart: Could not open 'poppy.qcow2': Could not read snapshots: File too large Status in QEMU: New Bug description: I'm unable to restart a VM. virt-manager is giving me: Error starting domain: internal error: process exited while connecting to monitor: qemu-system-x86_64: -drive file=3D/var/lib/libvirt/images/poppy.qcow2,if=3Dnone,id=3Ddrive-virtio- disk0,format=3Dqcow2: could not open disk image /var/lib/libvirt/images/poppy.qcow2: Could not read snapshots: File too large = From the command line trying to check the image also gives me: qemu-img check poppy.qcow2 qemu-img: Could not open 'poppy.qcow2': Could not read snapshots: File to= o large = This bug appears with both the default install of qemu for ubuntu 14.04: qemu-img version 2.0.0, Copyright (c) 2004-2008 Fabrice Bellard And the latest version. qemu-img version 2.1.50, Copyright (c) 2004-2008 Fabrice Bellard = Host: = Dual E5-2650 v2 @ 2.60GHz 32GB Memory 4TB Disk space (2.1TB Free) = Host OS: Ubuntu 14.04.1 LTS 64bit Guest: Ubuntu 14.04 64bit Storage Size: 500gb To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1354167/+subscriptions