From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: Hello could you help me on running kvm on my via nano u2250 processor stepping 3? Date: Sat, 08 Nov 2014 09:07:41 +0100 Message-ID: <545DCF4D.1070109@redhat.com> References: <1415377325.16601.166.camel@ul30vt.home> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Alex Williamson , Timothy McDaniel Return-path: Received: from mail-wg0-f53.google.com ([74.125.82.53]:47655 "EHLO mail-wg0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753172AbaKHIHq (ORCPT ); Sat, 8 Nov 2014 03:07:46 -0500 Received: by mail-wg0-f53.google.com with SMTP id b13so5455749wgh.26 for ; Sat, 08 Nov 2014 00:07:45 -0800 (PST) In-Reply-To: <1415377325.16601.166.camel@ul30vt.home> Sender: kvm-owner@vger.kernel.org List-ID: On 07/11/2014 17:22, Alex Williamson wrote: > On Fri, 2014-11-07 at 10:47 -0500, Timothy McDaniel wrote: >> here is my /proc/cpuinfo >> >> processor : 0 >> vendor_id : CentaurHauls >> cpu family : 6 >> model : 15 >> model name : VIA Nano processor U2250 (1.6GHz Capable) >> stepping : 3 >> cpu MHz : 800.000 >> cache size : 1024 KB >> fpu : yes >> fpu_exception : yes >> cpuid level : 10 >> wp : yes >> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge >> mca cmov pat clflush acpi mmx fxsr sse sse2 ss tm pbe syscall nx lm >> constant_tsc up rep_good nopl pni monitor vmx est tm2 ssse3 cx16 xtpr >> rng rng_en ace ace_en ace2 phe phe_en lahf_lm >> bogomips : 3191.62 >> clflush size : 64 >> cache_alignment : 128 >> address sizes : 36 bits physical, 48 bits virtual >> power management: >> >> also here is my uname -mrs >> Linux 3.2.0-4-amd64 x86_64 >> >> here is uname -a >> Linux sd-24793 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2+deb7u1 x86_64 GNU/Linux >> >> please tell me if you need anymore info on helping me get kvm to work. > > Last I was aware, Via's implementation of vmx was broken. I'd guess > that's still the case. Thanks, Yes, there are many reports of this: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=570244 http://www.mail-archive.com/kvm@vger.kernel.org/msg11662.html https://bugs.launchpad.net/qemu/+bug/712416 Can you try running vmxcap (scripts/kvm/vmxcap in git://qemu.org/qemu.git)? Paolo