From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Stezenbach Subject: Re: linux-3.2.1 + KVM: TSC unstable on Core i5-2400S / H67 Date: Wed, 25 Jan 2012 14:25:03 +0100 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 Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org To: Marcelo Tosatti Return-path: 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 Content-Disposition: inline In-Reply-To: <20120125122702.GA30888@amt.cnet> Sender: kvm-owner@vger.kernel.org List-ID: 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