From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759000Ab0EZAZK (ORCPT ); Tue, 25 May 2010 20:25:10 -0400 Received: from mga09.intel.com ([134.134.136.24]:57968 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758506Ab0EZAZI (ORCPT ); Tue, 25 May 2010 20:25:08 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.53,300,1272870000"; d="scan'208";a="624824147" Subject: Re: [stable] Boot failure with 2.6.27.46 on Xeon E5620 (Westmere EP) From: Suresh Siddha Reply-To: Suresh Siddha To: Greg KH Cc: =?UTF-8?Q?S=2E=C3=87a=C4=9Flar?= Onur , "stable@kernel.org" , "hpa@zytor.com" , "linux-kernel@vger.kernel.org" , "Song, Youquan" In-Reply-To: <20100525205123.GA14993@kroah.com> References: <000954C6-B4AC-4FD8-BA3B-C3B199C7607F@CS.Princeton.EDU> <20100525155307.GA7453@kroah.com> <620C3556-2708-4704-90F3-37DDEF1A404E@CS.Princeton.EDU> <20100525205123.GA14993@kroah.com> Content-Type: text/plain; charset="UTF-8" Organization: Intel Corp Date: Tue, 25 May 2010 17:24:11 -0700 Message-Id: <1274833451.2892.574.camel@sbs-t61.sc.intel.com> Mime-Version: 1.0 X-Mailer: Evolution 2.26.3 (2.26.3-1.fc11) Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2010-05-25 at 13:51 -0700, Greg KH wrote: > On Tue, May 25, 2010 at 04:32:16PM -0400, "S.Çağlar Onur" wrote: > > Hi Greg, > > > > On May 25, 2010, at 11:53 AM, Greg KH wrote: > > > > > On Tue, May 25, 2010 at 11:10:28AM -0400, "S.Çağlar Onur" wrote: > > >> Hi, > > >> > > >> We are observing boot failures [1] & [2] on some of our servers (Dell > > >> r410) with 2.6.27-stable kernels. I found following commit in upstream > > >> tree via a quick search (but I haven't tried it yet) so I don't know > > >> whether I'm on the right track or not. > > >> > > >> Please let me know if anything else is needed... > > > > > > Has any .27 kernel worked on these machines? If so, can you narrow it > > > down to the patch that caused the problem? > > > > I don't think any .27 kernel worked on those machines before. But in > > any case I'll try (I don't have a physical access to those machines as > > they are located in China) an older .27 release to see. > > Ok, so it isn't a regression, which is what I want to know. > > New hardware like this, probably will only work on newer kernel > versions, so please use those instead :) I can't think of any known issues in 2.6.27 that can lead to this kind of boot failure on WSM-EP. Caglar, It will be nice if you can do git bisect between working and non-working kernels. thanks, suresh