From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757016AbXFJMXG (ORCPT ); Sun, 10 Jun 2007 08:23:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753830AbXFJMW4 (ORCPT ); Sun, 10 Jun 2007 08:22:56 -0400 Received: from il.qumranet.com ([82.166.9.18]:40235 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752141AbXFJMWz (ORCPT ); Sun, 10 Jun 2007 08:22:55 -0400 Message-ID: <466BED18.5040708@qumranet.com> Date: Sun, 10 Jun 2007 15:22:48 +0300 From: Avi Kivity User-Agent: Thunderbird 2.0.0.0 (X11/20070419) MIME-Version: 1.0 To: Luca CC: kvm-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: Re: [kvm-devel] [BUG] Oops with KVM-27 References: <20070603213432.GA3075@dreamland.darkstar.lan> <4663DCE9.3000107@qumranet.com> <20070604202248.GA18668@dreamland.darkstar.lan> <46647B3E.2090205@qumranet.com> <20070604212207.GA22365@dreamland.darkstar.lan> <46651069.5040003@qumranet.com> <68676e00706071216i4bd051c5hb1c114f3c13ab97f@mail.gmail.com> In-Reply-To: <68676e00706071216i4bd051c5hb1c114f3c13ab97f@mail.gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Luca wrote: > On 6/5/07, Avi Kivity wrote: >> Luca Tettamanti wrote: >> > 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. >> > >> > >> >> Is this a regression relative to a previous kvm version? > > Hello, > sorry for the delay, I was having troubles compiling older KVMs with a > recent kernel... > The last version that works is kvm-21; starting from kvm-22 the VM > hangs during network initialization (now always, but pretty often). > This only occurs when the guest is Fedora7 setup ISO. The regular boot > (i.e. from the hd) seems unaffected. I've managed to reproduce this on kvm-21 (it takes many boots for this to happen, but it does eventually). -- error compiling committee.c: too many arguments to function