From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Wed, 8 May 2013 12:39:07 -0700 Subject: [REGRESSION] SLAB allocator (on Zynq) In-Reply-To: <9d9b2266-e09e-4366-80ef-3df5db775f25@TX2EHSMHS033.ehs.local> References: <9d9b2266-e09e-4366-80ef-3df5db775f25@TX2EHSMHS033.ehs.local> Message-ID: <20130508193906.GC32546@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, * S?ren Brinkmann [130508 12:26]: > Hi, > > I compiled the latest kernel for Zynq and ran into issues when the SLAB > allocator is selected. Booting crashes early with a NULL pointer > dereference (boot log attached). > Switching to the SLUB allocator resolves the issue (boot log attached). There's a fix for this now in lkml thread "[GIT PULL] SLAB changes for v3.10": http://lkml.org/lkml/2013/5/8/374# Regards, Tony From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx162.postini.com [74.125.245.162]) by kanga.kvack.org (Postfix) with SMTP id 91DDF6B005A for ; Wed, 8 May 2013 15:39:16 -0400 (EDT) Date: Wed, 8 May 2013 12:39:07 -0700 From: Tony Lindgren Subject: Re: [REGRESSION] SLAB allocator (on Zynq) Message-ID: <20130508193906.GC32546@atomide.com> References: <9d9b2266-e09e-4366-80ef-3df5db775f25@TX2EHSMHS033.ehs.local> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <9d9b2266-e09e-4366-80ef-3df5db775f25@TX2EHSMHS033.ehs.local> Sender: owner-linux-mm@kvack.org List-ID: To: =?utf-8?B?U8O2cmVu?= Brinkmann Cc: Michal Simek , Christoph Lameter , Pekka Enberg , Matt Mackall , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org Hi, * SA?ren Brinkmann [130508 12:26]: > Hi, > > I compiled the latest kernel for Zynq and ran into issues when the SLAB > allocator is selected. Booting crashes early with a NULL pointer > dereference (boot log attached). > Switching to the SLUB allocator resolves the issue (boot log attached). There's a fix for this now in lkml thread "[GIT PULL] SLAB changes for v3.10": http://lkml.org/lkml/2013/5/8/374# Regards, Tony -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755158Ab3EHTjN (ORCPT ); Wed, 8 May 2013 15:39:13 -0400 Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:46554 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752219Ab3EHTjM (ORCPT ); Wed, 8 May 2013 15:39:12 -0400 X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 50.131.214.131 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX186y1DL2wfTmYr0K/Lwu37L Date: Wed, 8 May 2013 12:39:07 -0700 From: Tony Lindgren To: =?utf-8?B?U8O2cmVu?= Brinkmann Cc: Michal Simek , Christoph Lameter , Pekka Enberg , Matt Mackall , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org Subject: Re: [REGRESSION] SLAB allocator (on Zynq) Message-ID: <20130508193906.GC32546@atomide.com> References: <9d9b2266-e09e-4366-80ef-3df5db775f25@TX2EHSMHS033.ehs.local> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <9d9b2266-e09e-4366-80ef-3df5db775f25@TX2EHSMHS033.ehs.local> 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 Hi, * Sören Brinkmann [130508 12:26]: > Hi, > > I compiled the latest kernel for Zynq and ran into issues when the SLAB > allocator is selected. Booting crashes early with a NULL pointer > dereference (boot log attached). > Switching to the SLUB allocator resolves the issue (boot log attached). There's a fix for this now in lkml thread "[GIT PULL] SLAB changes for v3.10": http://lkml.org/lkml/2013/5/8/374# Regards, Tony