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 13:19:15 +0400 Message-ID: <4CA30493.6090503@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> <4CA30424.9030007@msgid.tls.msk.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE 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]:39187 "EHLO isrv.corpit.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755490Ab0I2JTR (ORCPT ); Wed, 29 Sep 2010 05:19:17 -0400 In-Reply-To: <4CA30424.9030007@msgid.tls.msk.ru> Sender: kvm-owner@vger.kernel.org List-ID: 29.09.2010 13:17, Michael Tokarev =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > 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 =3D b6dc43b6, shadow.tsc_shift =3D ffffffff= , >>> shadow.flags =3D 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... [] > Avi, this is definitely a -stable material, for 2.6.32 (longterm > stable) and 2.6.35. Er. Please excuse me for the misinformation. It is _not_ for 2.6.32 ofcourse. /mjt