From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JfXSF-0000ob-VA for qemu-devel@nongnu.org; Sat, 29 Mar 2008 05:34:27 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JfXSE-0000mN-3K for qemu-devel@nongnu.org; Sat, 29 Mar 2008 05:34:27 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JfXSD-0000lv-Jn for qemu-devel@nongnu.org; Sat, 29 Mar 2008 05:34:25 -0400 Received: from nwd2mail10.analog.com ([137.71.25.55]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1JfXSD-00055K-6z for qemu-devel@nongnu.org; Sat, 29 Mar 2008 05:34:25 -0400 Received: from nwd2exm4.ad.analog.com (nwd2exm4.ad.analog.com [10.64.53.123]) by nwd2mhb1.analog.com (8.9.3 (PHNE_28810+JAGae91741)/8.9.3) with ESMTP id FAA05804 for ; Sat, 29 Mar 2008 05:34:17 -0400 (EDT) Message-ID: <47EE0D16.4040107@analog.com> Date: Sat, 29 Mar 2008 17:34:14 +0800 From: Jie Zhang MIME-Version: 1.0 Subject: Re: [Qemu-devel] A bug of running existing windows xp from x86 64 linux host References: <47ED253E.6070701@analog.com> In-Reply-To: <47ED253E.6070701@analog.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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 Jie Zhang wrote: > I'm trying to run an existing windows xp (32 bit) partition in qemu on a > x86 64 bit linux host. I always got > > A disk read error occurred > Press Ctrl+Alt+Del to restart > > when qemu starts. > > There is no problem to run an existing windows xp in qemu on a x86 32 > bit linux host. There is no problem to install and run windows xp in > qemu from a disk image file on x86 64 bit linux host. > > Interestingly, I tried KVM and Virtualbox. I got the same error message > for both of them. Since both KVM and Virtualbox use some modules from > qemu, I guess the root cause is in qemu. So I first report this bug here. > More information. The above machine is Lenovo ThinkPad T61 with Intel Core 2 Duo T7300 and 100G hard disk. I just tried to run an existing windows xp partition in qemu on my pc, which is Dell Inspiron 531 and has an AMD Athlon64 X2 3800+ and 80G hard disk. Qemu can boot the xp. Jie