From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753001Ab2AYNZK (ORCPT ); Wed, 25 Jan 2012 08:25:10 -0500 Received: from bar.sig21.net ([80.81.252.164]:35987 "EHLO bar.sig21.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751864Ab2AYNZI (ORCPT ); Wed, 25 Jan 2012 08:25:08 -0500 Date: Wed, 25 Jan 2012 14:25:03 +0100 From: Johannes Stezenbach To: Marcelo Tosatti Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: linux-3.2.1 + KVM: TSC unstable on Core i5-2400S / H67 Message-ID: <20120125132503.GA3399@sig21.net> References: <20120124113608.GA16876@sig21.net> <20120125122702.GA30888@amt.cnet> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120125122702.GA30888@amt.cnet> User-Agent: Mutt/1.5.21 (2010-09-15) X-Spam-21-Score: -2.9 (--) X-Spam-21-Report: No, score=-2.9 required=8.0 tests=ALL_TRUSTED=-1,BAYES_00=-1.9 autolearn=ham Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 25, 2012 at 10:27:03AM -0200, Marcelo Tosatti wrote: > On Tue, Jan 24, 2012 at 12:36:08PM +0100, Johannes Stezenbach wrote: > > > > [23379.612251] usb 2-1.2: new high-speed USB device number 6 using ehci_hcd > > [ 0.006666] Marking TSC unstable due to KVM discovered backwards TSC > > [23421.511167] Switching to clocksource hpet ... > Can you please apply the following patch, and report back when it > reproduces again. I applied the patch and rebooted, I'll let you know as soon as the issue reappears. Thanks Johannes