Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758131AbXLSPKF (ORCPT ); Wed, 19 Dec 2007 10:10:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755563AbXLSPJz (ORCPT ); Wed, 19 Dec 2007 10:09:55 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:38950 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755130AbXLSPJz (ORCPT ); Wed, 19 Dec 2007 10:09:55 -0500 Date: Wed, 19 Dec 2007 16:09:38 +0100 From: Ingo Molnar To: Avi Kivity Cc: kvm-devel , linux-kernel Subject: Re: [kvm-devel] Guest kernel hangs in smp kvm for older kernels prior to tsc sync cleanup Message-ID: <20071219150938.GA15267@elte.hu> References: <47680173.6060606@qumranet.com> <20071218221930.GA26109@elte.hu> <4768BB43.1000609@qumranet.com> <4768FE27.7020305@qumranet.com> <47690304.1090903@qumranet.com> <20071219140624.GF21282@elte.hu> <47693054.20501@qumranet.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47693054.20501@qumranet.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 426 Lines: 13 try this test perhaps in an SMP guest: http://people.redhat.com/mingo/time-warp-test/time-warp-test.c you can ignore TSC warps - but no GTOD or CLOCK warps should occur. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/