From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LuP62-0001Om-5Y for qemu-devel@nongnu.org; Thu, 16 Apr 2009 06:45:30 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LuP5w-0001LK-P7 for qemu-devel@nongnu.org; Thu, 16 Apr 2009 06:45:29 -0400 Received: from [199.232.76.173] (port=33183 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LuP5w-0001LD-Mp for qemu-devel@nongnu.org; Thu, 16 Apr 2009 06:45:24 -0400 Received: from gecko.sbs.de ([194.138.37.40]:17006) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LuP5v-0001xt-JU for qemu-devel@nongnu.org; Thu, 16 Apr 2009 06:45:24 -0400 Received: from mail2.sbs.de (localhost [127.0.0.1]) by gecko.sbs.de (8.12.11.20060308/8.12.11) with ESMTP id n3GAjLE7005875 for ; Thu, 16 Apr 2009 12:45:21 +0200 Received: from [139.25.109.167] (mchn012c.mchp.siemens.de [139.25.109.167] (may be forged)) by mail2.sbs.de (8.12.11.20060308/8.12.11) with ESMTP id n3GAjKJM027405 for ; Thu, 16 Apr 2009 12:45:21 +0200 Message-ID: <49E70C40.80102@siemens.com> Date: Thu, 16 Apr 2009 12:45:20 +0200 From: Jan Kiszka MIME-Version: 1.0 References: <49E7095C.6090800@mail.berlios.de> In-Reply-To: <49E7095C.6090800@mail.berlios.de> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: Problem with x86-64 host / guest and -enable-kvm Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Stefan Weil wrote: > Hello, > > I tried to run QEMU trunk > > qemu-system-x86_64 -snapshot /dev/sda -enable-kvm > > on a x86-64 (amd64) system with Debian Linux 2.6.29-1, > but the guest Linux only sees a i686 cpu and refuses > to boot. > > Without -enable-kvm, a 64 bit linux guest with 64 bit > linux host works. Debian kvm 79+dfsg-3 works, too. > > Is -enable-kvm with 64 bit guests unsupported, > or is this a bug? It's a bug, see http://permalink.gmane.org/gmane.comp.emulators.qemu/41371. Jan -- Siemens AG, Corporate Technology, CT SE 2 Corporate Competence Center Embedded Linux