From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758051AbXFDUvc (ORCPT ); Mon, 4 Jun 2007 16:51:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755075AbXFDUvP (ORCPT ); Mon, 4 Jun 2007 16:51:15 -0400 Received: from il.qumranet.com ([82.166.9.18]:44703 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754649AbXFDUvO (ORCPT ); Mon, 4 Jun 2007 16:51:14 -0400 Message-ID: <46647B3E.2090205@qumranet.com> Date: Mon, 04 Jun 2007 23:51:10 +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> In-Reply-To: <20070604202248.GA18668@dreamland.darkstar.lan> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (firebolt.argo.co.il [0.0.0.0]); Mon, 04 Jun 2007 23:51:11 +0300 (IDT) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Luca Tettamanti wrote: > It turned out that it was somewhat reproducible with fedora installer. > With your patch it doesn't oops anymore. > > Ok, good. > 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 ... ? -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.