From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760853AbXFDVWu (ORCPT ); Mon, 4 Jun 2007 17:22:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758989AbXFDVWf (ORCPT ); Mon, 4 Jun 2007 17:22:35 -0400 Received: from hu-out-0506.google.com ([72.14.214.224]:54728 "EHLO hu-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757540AbXFDVWe (ORCPT ); Mon, 4 Jun 2007 17:22:34 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:date:from:to:cc:subject:message-id:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=hgxY9SDLV+t3+J6VuTEDdBq8MaxDMmCsO3FQHJoUuFc8lgUVsBq3aQmMhQo4fJX5Bd+9bHCr/n6xdCBzB99PFDMd4kkwxqqLisuEMdeZubtvkX/Wlt8QhKRVdpMrDhP3PSbVGAPD0GUBWtCw934iTGn3loUc94XpEdKyjBjS8Kw= Date: Mon, 4 Jun 2007 23:22:07 +0200 From: Luca Tettamanti To: Avi Kivity Cc: kvm-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: Re: [kvm-devel] [BUG] Oops with KVM-27 Message-ID: <20070604212207.GA22365@dreamland.darkstar.lan> References: <20070603213432.GA3075@dreamland.darkstar.lan> <4663DCE9.3000107@qumranet.com> <20070604202248.GA18668@dreamland.darkstar.lan> <46647B3E.2090205@qumranet.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46647B3E.2090205@qumranet.com> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Il Mon, Jun 04, 2007 at 11:51:10PM +0300, Avi Kivity ha scritto: > > While doing repeated tests with the installer I ran into another > > (unrelated) problem. Sometimes the guest kernel hangs at boot at: > > > > NET: Registered protocol family 2 > > > > with any kind of networking options (except for -net none, which works). > > With -no-kvm it boots with any networking option. > > > > > > Can you try to pin the guest on a single core with taskset: > > taskset 1 qemu ... Doesn't help. What works is 'nolapic', i.e. disabling the local APIC on the guest kernel. I've also tried disabling TSC (notsc) and forcing PIT as the clocksource (clocksouce=pit clock=pit); neither of them helped. Luca -- Il dottore mi ha detto di smettere di fare cene intime per quattro. A meno che non ci siamo altre tre persone.