From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: 64bit Windows guests on Intel Xeon E5520 Date: Thu, 11 Feb 2010 08:53:51 +0200 Message-ID: <20100211065351.GH2995@redhat.com> References: <3c9db2861002101551h741bb3dft3f0ac83984f79ad9@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: Matteo Ghezzi Return-path: Received: from mx1.redhat.com ([209.132.183.28]:38901 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751716Ab0BKGx4 (ORCPT ); Thu, 11 Feb 2010 01:53:56 -0500 Content-Disposition: inline In-Reply-To: <3c9db2861002101551h741bb3dft3f0ac83984f79ad9@mail.gmail.com> Sender: kvm-owner@vger.kernel.org List-ID: On Thu, Feb 11, 2010 at 12:51:33AM +0100, Matteo Ghezzi wrote: > Hi, > i got a new Xeon E5520 (4 cores, 8 threads), and I'm testing some > Windows guests. > My configuration is as follows: > - Arch Linux > - Kernel 2.6.32.7 > - Qemu-Kvm 0.12.2 > > 1st test: identify the correct line for smp in my case, I tried with: > -smp 8,cores=4,threads=8 in this way only Windows 2003 Server works > fine (showing 8 cpus), blue screen for Windows Server 2008 and Windows > 7 (both 32bit and 64 bit versions) > If BSOD says that your BIOS is not ACPI compliant or something similar them this is know BIOS problem. Should be fixed shortly. > 2nd test: i lowered smp to 4 and installed both windows 7 and windows > server 2008. > Installation goes fine, but at first boot I get: > kvm: unhandled exit 80000021 > kvm_run returned -22 > This only with 64bit guests, 32bit guests boot fine > I've tried to delete the smp call from the commandline, but with 1 cpu > I got the same problem on 64bit guests > > I have another E5520 coming for my dual motherboard... what smp line > do you suggest for a system with 2 cpu, 8 physical cores and 16 > threads? > > Thanks for your attention. > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Gleb.