From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:48910) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TL6SQ-0005m1-74 for qemu-devel@nongnu.org; Mon, 08 Oct 2012 02:04:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TL6SP-0004rV-AO for qemu-devel@nongnu.org; Mon, 08 Oct 2012 02:04:50 -0400 Received: from mail-bk0-f45.google.com ([209.85.214.45]:46075) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TL6SP-0004rH-3j for qemu-devel@nongnu.org; Mon, 08 Oct 2012 02:04:49 -0400 Received: by mail-bk0-f45.google.com with SMTP id jf3so1526262bkc.4 for ; Sun, 07 Oct 2012 23:04:47 -0700 (PDT) Date: Mon, 8 Oct 2012 08:04:44 +0200 From: Stefan Hajnoczi Message-ID: <20121008060444.GB12140@stefanha-thinkpad.redhat.com> References: <20121005223015.15346.74592.malonedeb@chaenomeles.canonical.com> <20121005223015.15346.74592.malonedeb@chaenomeles.canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20121005223015.15346.74592.malonedeb@chaenomeles.canonical.com> Subject: Re: [Qemu-devel] [Bug 1062589] [NEW] Xp guest disk is corrupted when the data size exceeds 4 GB List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Bug 1062589 <1062589@bugs.launchpad.net> Cc: Kevin Wolf , qemu-devel@nongnu.org On Fri, Oct 05, 2012 at 10:30:15PM -0000, pil926 wrote: > Host : > - 2.6.30.10 i686 pentium3 i386 GNU/Linux ... > Everything is running pretty good until data size on disk C exceeds 4 > GB. I Tried many options before figuring out that the problem occurs > when data size exceeds 4 GB. I tried with QEMU 1.2.50, same problem. Can you perform the same test on a x86_64 host? The i686 host and 4 GB threshold suggests this is a 32-bit/64-bit portability bug. Did a previous QEMU version work for you? git-bisect(1) can be used to find which commit introduced the regression. Stefan