From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Tokarev Subject: Re: Debian 5.0 host, qemu-kvm 0.12.4, unable to use -smp > 1 Date: Wed, 11 Aug 2010 22:39:51 +0400 Message-ID: <4C62EE77.7010900@msgid.tls.msk.ru> References: <20100811163226.GA12613@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Gleb Natapov , KVM mailing list To: Freddie Cash Return-path: Received: from isrv.corpit.ru ([86.62.121.231]:44491 "EHLO isrv.corpit.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753589Ab0HKSj5 (ORCPT ); Wed, 11 Aug 2010 14:39:57 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: 11.08.2010 21:18, Freddie Cash wrote: > On Wed, Aug 11, 2010 at 9:32 AM, Gleb Natapov wrote: >> On Wed, Aug 11, 2010 at 07:29:22AM -0700, Freddie Cash wrote: >>> We just upgraded our KVM host system from KVM-72 to qemu-kvm 0.12.4 >>> (debian lenny backports). We are now unable to start any VMs that use >>> -smp option with values> 1 (-smp 1 works, -smp 2 doesn't). >>> Everything else is the same (nothing in the guests was changed, >>> nothing else on the host was changed). >>> >> KVM-72 is too old for recent qemu-kvm userspace. Unfortunately our >> backwards compatibility does not go so far. > > KVM modules and what-not were upgraded at the same time, obviously > (kvm, kvm-source, qemu-kvm packages). :) Taken from lenny-backports > repo. Please remove kvm-source, reinstall kernel, and retry. If kvm-source (which is the kernel module, of version -72) actually compiles, it is quite surprizing - the module is written for a very old (by now) kernel. Thanks! /mjt