From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753153AbZFWBN6 (ORCPT ); Mon, 22 Jun 2009 21:13:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751416AbZFWBNt (ORCPT ); Mon, 22 Jun 2009 21:13:49 -0400 Received: from bedivere.hansenpartnership.com ([66.63.167.143]:51522 "EHLO bedivere.hansenpartnership.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751055AbZFWBNt (ORCPT ); Mon, 22 Jun 2009 21:13:49 -0400 Subject: Re: Regression: ppc powerstation boot hang caused by slab initialisation code From: James Bottomley To: Benjamin Herrenschmidt Cc: Pekka Enberg , linux-kernel , "Rafael J. Wysocki" In-Reply-To: <1245717131.4017.19.camel@pasglop> References: <1245708635.17035.6.camel@mulgrave.site> <1245709633.20062.13.camel@pasglop> <1245710457.17035.9.camel@mulgrave.site> <1245711062.4017.1.camel@pasglop> <1245712892.17035.39.camel@mulgrave.site> <1245717131.4017.19.camel@pasglop> Content-Type: text/plain Date: Mon, 22 Jun 2009 20:10:40 -0500 Message-Id: <1245719440.17035.41.camel@mulgrave.site> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2009-06-23 at 10:32 +1000, Benjamin Herrenschmidt wrote: > On Mon, 2009-06-22 at 18:21 -0500, James Bottomley wrote: > > On Tue, 2009-06-23 at 08:51 +1000, Benjamin Herrenschmidt wrote: > > > Ah, I notice you use SLAB, that's the second report of hangs with it due to > > > the changes. You can try SLUB while I'm looking, might help. > > > > Yes, switching to slub fixes it ... although given that the identified > > problem commit is a slab one, that's understandable ... > > Patch on its way (separate thread). Got it .. just compiling now; changing the allocator seems to require a rebuild of about every file. > BTW. Any reason why you don't have > IRQSTACKs ? We really need to make that not an option.... That would probably be because I got it from the original debian OS, I think. I tend to use OS provided .configs as the basis for my changes. James