From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763564AbXFEH1q (ORCPT ); Tue, 5 Jun 2007 03:27:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761904AbXFEH1k (ORCPT ); Tue, 5 Jun 2007 03:27:40 -0400 Received: from il.qumranet.com ([82.166.9.18]:49453 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761755AbXFEH1j (ORCPT ); Tue, 5 Jun 2007 03:27:39 -0400 Message-ID: <46651069.5040003@qumranet.com> Date: Tue, 05 Jun 2007 10:27:37 +0300 From: Avi Kivity User-Agent: Thunderbird 2.0.0.0 (X11/20070419) MIME-Version: 1.0 To: Luca Tettamanti 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> In-Reply-To: <20070604212207.GA22365@dreamland.darkstar.lan> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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? -- error compiling committee.c: too many arguments to function