From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759761Ab2CGTO3 (ORCPT ); Wed, 7 Mar 2012 14:14:29 -0500 Received: from mx1.redhat.com ([209.132.183.28]:57572 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759718Ab2CGTO0 (ORCPT ); Wed, 7 Mar 2012 14:14:26 -0500 From: Jeff Moyer To: "Srivatsa S. Bhat" Cc: Sasha Levin , Nick Bowler , linux-kernel@vger.kernel.org Subject: Re: the maxcpus= boot parameter broke somewhere along the line References: <20120306164835.GA26094@elliptictech.com> <4F578198.8060708@linux.vnet.ibm.com> X-PGP-KeyID: 1F78E1B4 X-PGP-CertKey: F6FE 280D 8293 F72C 65FD 5A58 1FF8 A7CA 1F78 E1B4 X-PCLoadLetter: What the f**k does that mean? Date: Wed, 07 Mar 2012 14:14:21 -0500 In-Reply-To: <4F578198.8060708@linux.vnet.ibm.com> (Srivatsa S. Bhat's message of "Wed, 07 Mar 2012 21:11:12 +0530") Message-ID: User-Agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org "Srivatsa S. Bhat" writes: > On 03/06/2012 11:38 PM, Jeff Moyer wrote: > >> Sasha Levin writes: >> >>> I can't reproduce it locally with a 3.3-rc5 kernel. >> >> First, thanks for looking into it. I just did a git pull, up to -rc6, >> and the problem still persists on my machine. >> > > > I tried 3.3-rc4 as well as 3.3-rc6+ (last commit dac12d1). I did not > see the problem in either case. I bisected the issue, and it landed here: 8a25a2fd126c621f44f3aeaef80d51f00fc11639 is the first bad commit commit 8a25a2fd126c621f44f3aeaef80d51f00fc11639 Author: Kay Sievers Date: Wed Dec 21 14:29:42 2011 -0800 cpu: convert 'cpu' and 'machinecheck' sysdev_class to a regular subsystem Unfortunately, that's a HUGE commit. -Jeff