From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Tokarev Subject: Re: 2.6.35-rc1 regression with pvclock and smp guests Date: Wed, 29 Sep 2010 13:17:24 +0400 Message-ID: <4CA30424.9030007@msgid.tls.msk.ru> 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> <4CA2F8A3.80400@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Arjan Koers <0h61vkll2ly8@xutrox.com>, Zachary Amsden , Glauber Costa , kvm@vger.kernel.org, Andre Przywara To: Avi Kivity Return-path: Received: from isrv.corpit.ru ([86.62.121.231]:39178 "EHLO isrv.corpit.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755008Ab0I2JR1 (ORCPT ); Wed, 29 Sep 2010 05:17:27 -0400 In-Reply-To: <4CA2F8A3.80400@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: 29.09.2010 12:28, Avi Kivity wrote: > 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... [Move a printk that's using the clock before it's ready] > Thanks, applied. Please post patches in a new thread so I get the > chance to see them. Avi, this is definitely a -stable material, for 2.6.32 (longterm stable) and 2.6.35. /mjt