From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Eromenko Subject: Re: KVM-86 not exposing 64 bits CPU anymore, NICE Date: Thu, 4 Jun 2009 04:00:28 -0400 (EDT) Message-ID: <1670088671.4370681244102428668.JavaMail.root@zmail04.collab.prod.int.phx2.redhat.com> References: <4A2775C6.9030503@gilouweb.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit To: kvm@vger.kernel.org Return-path: Received: from mx1.redhat.com ([66.187.233.31]:54346 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755659AbZFDIA1 (ORCPT ); Thu, 4 Jun 2009 04:00:27 -0400 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n5480Thg007089 for ; Thu, 4 Jun 2009 04:00:29 -0400 Received: from mail04.corp.redhat.com (zmail04.collab.prod.int.phx2.redhat.com [10.5.5.44]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id n5480SAM011076 for ; Thu, 4 Jun 2009 04:00:29 -0400 In-Reply-To: <4A2775C6.9030503@gilouweb.com> Sender: kvm-owner@vger.kernel.org List-ID: ----- "Gilles PIETRI" wrote: > Hi, > > I'm quite pissed off. I just upgraded to kvm-86 on a host that has > worked nicely on kvm-78 for quite some time. But since I was fearing > the > qcow2 corruption issues, I wanted to upgrade kvm-86. After testing the > > performance, I decided to switch. How stupid that was. That was really > > putting too much trust in KVM. > > Now I can't have 64 bits CPUs on my guests. > My host is running a 2.6.27.7 kernel, and is x86_64 enabled. > Until the upgrade, guests were running x86_64 fine. > Now, it says long mode can't be used or something like that, and I can > > only have 32 bits guests. > > Looks really like the bug explained here: > http://www.mail-archive.com/kvm@vger.kernel.org/msg09431.html > > If I use -no-kvm, it works, but obviously, I want to be able to have > kvm > support enabled. > > Now, I really am happy about this upgrade, and I'm gonna have to roll > it > back. I really would appreciate some help on this.. > > Gilles Hi Gilles, What are you saying is very strange, because KVM-Autotest has passed all tests for KVM-86 release, and I can say that 64-bit guests work here. (both Intel & AMD, on RHEL 5.3/x64) -Alexey