From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932229Ab0FCQn1 (ORCPT ); Thu, 3 Jun 2010 12:43:27 -0400 Received: from kroah.org ([198.145.64.141]:38564 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754569Ab0FCQn0 (ORCPT ); Thu, 3 Jun 2010 12:43:26 -0400 Date: Thu, 3 Jun 2010 09:40:39 -0700 From: Greg KH To: =?utf-8?B?Uy7Dh2HEn2xhcg==?= Onur Cc: Suresh Siddha , "stable@kernel.org" , "hpa@zytor.com" , "linux-kernel@vger.kernel.org" , "Song, Youquan" Subject: Re: [stable] Boot failure with 2.6.27.46 on Xeon E5620 (Westmere EP) Message-ID: <20100603164039.GA7177@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> <1274833451.2892.574.camel@sbs-t61.sc.intel.com> <2293F1A2-B4DE-4C15-9BAC-CC2E546943D0@CS.Princeton.EDU> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <2293F1A2-B4DE-4C15-9BAC-CC2E546943D0@CS.Princeton.EDU> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 02, 2010 at 07:54:29PM -0400, "S.Çağlar Onur" wrote: > Hi Suresh, > > On May 25, 2010, at 8:24 PM, Suresh Siddha wrote: > > > 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. > > Neither 2.6.27 nor 2.6.27.45 not able to boot those servers, according > to the on-site admins the boot stuck at following stage[1]. Good, it's not a regression :) Care to upgrade to a newer kernel version and see if that works? thanks, greg k-h