From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760705Ab0KRVzI (ORCPT ); Thu, 18 Nov 2010 16:55:08 -0500 Received: from kroah.org ([198.145.64.141]:35325 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755787Ab0KRVzH (ORCPT ); Thu, 18 Nov 2010 16:55:07 -0500 Date: Thu, 18 Nov 2010 13:54:29 -0800 From: Greg KH To: =?utf-8?B?Uy7Dh2HEn2xhcg==?= Onur Cc: Youquan Song , 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: <20101118215429.GA29243@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> <20100526132357.GA26728@youquan-linux.bj.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: 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 Thu, Nov 18, 2010 at 04:24:40PM -0500, "S.Çağlar Onur" wrote: > Hi Youquan & Greg, > > > On May 26, 2010, at 9:23 AM, Youquan Song wrote: > > >>> 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. > >> > >> Sure, I'll try to boot those with plain 2.6.27 to see but please note that it's going to be little time consuming. For each one I have to create a custom boot image for them to download and test (a.k.a. don't expect to hear from me soon :)) > > > > Hi Caglar, > > > > What's the microcode version? Get by "dmesg | grep microcode" if you > > success boot other version of kernel. > > Can you try to disable C-state(C6) in BIOS before your boot 2.6.27? > > First of all I'm really sorry that it took really long time to reply this mail as I was waiting Dell to send a loaner machine to us. This morning I've got the hardware and following patch solved the boot problem that I was observing, Greg could you consider adding that to 2.6.27-stable tree? > > commit a0bf284bfedd6dc95bbee7ebf5ccf3b5f753a008 No problem, now queued up. thanks, greg k-h