From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: w2k8 - reboots unexpected Date: Thu, 18 Jun 2009 14:37:47 +0300 Message-ID: <20090618113747.GD20289@redhat.com> References: <20090618112645.M28961@webflash.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: Andreas Jud Return-path: Received: from mx2.redhat.com ([66.187.237.31]:34575 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752715AbZFRLhr (ORCPT ); Thu, 18 Jun 2009 07:37:47 -0400 Content-Disposition: inline In-Reply-To: <20090618112645.M28961@webflash.ch> Sender: kvm-owner@vger.kernel.org List-ID: On Thu, Jun 18, 2009 at 01:27:25PM +0200, Andreas Jud wrote: > Hi > > We are running kvm-84 on debian x64 Linux. > > We have serveral guest running on this host. > > One guest witch is running windows 2008 server and used as a terminal > server, reboots sometimes unexpected. > > All what I found so far is the following error in the kernel-logfile: > Jun 18 10:33:17 sov07l kernel: [1470365.925930] kvm_handle_exit: Breaking > out of NMI-blocked state on VCPU 1 after 1 s timeout > Jun 18 10:33:17 sov07l kernel: [1470365.929077] kvm_handle_exit: Breaking > out of NMI-blocked state on VCPU 2 after 1 s timeout > Jun 18 10:33:17 sov07l kernel: [1470365.929077] kvm_handle_exit: Breaking > out of NMI-blocked state on VCPU 3 after 1 s timeout > > Does anybody have an idea what this mean? And what we could do, to make the > system stable? resolve this error? > You host cpu does not support NMI injection in VMX (your Intel processor is too old). I can't tell for sure if this is what causes w2k8 to reboot itself, but this is possible. Does w2k8 has some kind of NMI watchdog? -- Gleb.