From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [kvm-devel] Guest kernel hangs in smp kvm for older kernels prior to tsc sync cleanup Date: Wed, 19 Dec 2007 16:09:38 +0100 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 Cc: kvm-devel , linux-kernel To: Avi Kivity Return-path: Content-Disposition: inline In-Reply-To: <47693054.20501@qumranet.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org 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