From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: 2.6.35-rc1 regression with pvclock and smp guests Date: Wed, 29 Sep 2010 10:28:19 +0200 Message-ID: <4CA2F8A3.80400@redhat.com> References: <4C4D4B8B.80006@amd.com> <4C4DDB00.50203@xutrox.com> <4C4F48D0.8090609@xutrox.com> <4C500872.1020809@redhat.com> <4C536F80.5090205@xutrox.com> <4C538CCE.1010104@redhat.com> <4C540EC9.1010008@xutrox.com> <4C54512B.6000307@xutrox.com> <4C54B7DE.4060901@redhat.com> <20100802144300.GD14448@mothafucka.localdomain> <4C5729F6.2050605@redhat.com> <4C573A20.6030001@xutrox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Zachary Amsden , Glauber Costa , kvm@vger.kernel.org, Andre Przywara To: Arjan Koers <0h61vkll2ly8@xutrox.com> Return-path: Received: from mx1.redhat.com ([209.132.183.28]:42256 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754804Ab0I2I21 (ORCPT ); Wed, 29 Sep 2010 04:28:27 -0400 In-Reply-To: <4C573A20.6030001@xutrox.com> Sender: kvm-owner@vger.kernel.org List-ID: On 08/03/2010 12:35 AM, Arjan Koers wrote: > I don't think that pvclock_clocksource_read is receiving > completely random uninitialized data. The values in shadow > are wrong, but could be interpreted as valid data > (shadow.tsc_to_nsec_mul = b6dc43b6, shadow.tsc_shift = ffffffff, > shadow.flags = 0 and shadow.version is always even). > > > I've attached the printk patches for 2.6.34.1 and 2.6.35, in case > anyone needs them... Thanks, applied. Please post patches in a new thread so I get the chance to see them. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.