From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:60033) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rm5iU-0007sp-Ka for qemu-devel@nongnu.org; Sat, 14 Jan 2012 10:40:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Rm5iT-0003bR-2F for qemu-devel@nongnu.org; Sat, 14 Jan 2012 10:40:26 -0500 Received: from mail-vw0-f45.google.com ([209.85.212.45]:54035) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rm5iS-0003bJ-Us for qemu-devel@nongnu.org; Sat, 14 Jan 2012 10:40:25 -0500 Received: by vbbfd1 with SMTP id fd1so1985109vbb.4 for ; Sat, 14 Jan 2012 07:40:24 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: <20111209131037.2413.97284.malonedeb@gac.canonical.com> <20111220152512.2778.37337.malone@chaenomeles.canonical.com> <4F0ACEC0.6010405@redhat.com> Date: Sat, 14 Jan 2012 23:40:24 +0800 Message-ID: From: Zhi Yong Wu Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [Bug 902148] Re: qemu-img V1.0 hangs on creating Image (0.15.1 runs) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Hajnoczi Cc: Kevin Wolf , Bug 902148 <902148@bugs.launchpad.net>, qemu-devel@nongnu.org, Stefan Hajnoczi On Mon, Jan 9, 2012 at 9:00 PM, Stefan Hajnoczi wrote: > On Mon, Jan 9, 2012 at 11:25 AM, Kevin Wolf wrote: >> Am 20.12.2011 17:49, schrieb Stefan Hajnoczi: >>> On Tue, Dec 20, 2011 at 3:25 PM, Michael Niehren >>> <902148@bugs.launchpad.net> wrote: >>>> here we are. Attached the tgz. I am using no spezial distribution, it'= s a self compiled LFS with >>>> gcc V4.5.1 >>>> >>>> Is there a different compiler-call if i use --enable-debug, which then >>>> works ? >>> >>> Richard Sandiford looked at your gcc -fdump-tree-all-details output >>> and suggests that this bug has been fixed in gcc 4.5.3: >>> >>> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D45967 >>> >>> Using the most recent gcc should fix the issue you are seeing. >> >> Can we add some workaround? Not sure what will work, maybe a simple >> compiler barrier? > > Sure though it seems like a very rare case - OP was running Linux From > Scratch and hence got the broken gcc. =A0But if someone does a small > workaround and tests it then that would be nice. How to do this workaround in qemu since it is one gcc bug? > > Stefan > --=20 Regards, Zhi Yong Wu