From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:36515) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TMagN-0007F2-8T for qemu-devel@nongnu.org; Fri, 12 Oct 2012 04:33:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TMagJ-00006T-EX for qemu-devel@nongnu.org; Fri, 12 Oct 2012 04:33:23 -0400 Received: from mail-bk0-f45.google.com ([209.85.214.45]:40446) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TMagJ-00006P-7c for qemu-devel@nongnu.org; Fri, 12 Oct 2012 04:33:19 -0400 Received: by mail-bk0-f45.google.com with SMTP id jf3so1208824bkc.4 for ; Fri, 12 Oct 2012 01:33:18 -0700 (PDT) Date: Fri, 12 Oct 2012 10:33:15 +0200 From: Stefan Hajnoczi Message-ID: <20121012083315.GB14822@stefanha-thinkpad.redhat.com> References: <1349962403.4696.51.camel@storm> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1349962403.4696.51.camel@storm> Subject: Re: [Qemu-devel] Silent filesystem/qcow2 corruptions with qemu-kvm-1.0 and 1.1.1 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Tiziano =?iso-8859-1?Q?M=FCller?= Cc: qemu-devel On Thu, Oct 11, 2012 at 03:33:23PM +0200, Tiziano Müller wrote: > Checking the image using `qemu-img check` then gives something like > this: > > ERROR OFLAG_COPIED: offset=3bc30000 refcount=1 > ERROR offset=c7e331: Cluster is not properly aligned; L2 entry > corrupted. Is any other program accessing the qcow2 image on the host while the VM is running? For example, are you running qemu-img on the image while the VM is running? Stefan