| |
| Delivered-To: jwboyer@gmail.com |
| Received: by 10.216.166.66 with SMTP id f44cs7120wel; |
| Fri, 20 Jan 2012 03:02:14 -0800 (PST) |
| Received: by 10.68.72.8 with SMTP id z8mr60494730pbu.111.1327057318390; |
| Fri, 20 Jan 2012 03:01:58 -0800 (PST) |
| Return-Path: <linux-kernel-owner@vger.kernel.org> |
| Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) |
| by mx.google.com with ESMTP id q8si4181579pbn.101.2012.01.20.03.01.56; |
| Fri, 20 Jan 2012 03:01:58 -0800 (PST) |
| Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; |
| Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mail=linux-kernel-owner@vger.kernel.org |
| Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand |
| id S1751460Ab2ATLBU (ORCPT <rfc822;ramashish.lists@gmail.com> |
| + 99 others); Fri, 20 Jan 2012 06:01:20 -0500 |
| Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:34737 "EHLO |
| cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) |
| by vger.kernel.org with ESMTP id S1750877Ab2ATLBT (ORCPT |
| <rfc822;linux-kernel@vger.kernel.org>); |
| Fri, 20 Jan 2012 06:01:19 -0500 |
| Received: from arm.com (e102109-lin.cambridge.arm.com [10.1.69.68]) |
| by cam-admin0.cambridge.arm.com (8.12.6/8.12.6) with ESMTP id q0KB1CWq000059; |
| Fri, 20 Jan 2012 11:01:12 GMT |
| Date: Fri, 20 Jan 2012 11:01:11 +0000 |
| From: Catalin Marinas <catalin.marinas@arm.com> |
| To: Dirk Gouders <gouders@et.bocholt.fh-gelsenkirchen.de> |
| Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org> |
| Subject: Re: [Problem] kernel hangs at boot (bisected 892d208bcf) |
| Message-ID: <20120120110111.GB30612@arm.com> |
| References: <gi39bcyff8.fsf@mx10.gouders.net> |
| <20120119110121.GC9268@arm.com> |
| <gi1uqvsx8n.fsf@karga.hank.lab> |
| <20120119140058.GA19036@arm.com> |
| <gik44nrc52.fsf@karga.hank.lab> |
| <20120119153732.GB20558@arm.com> |
| <gi1uqvwpt2.fsf@mx10.gouders.net> |
| <gimx9jv50u.fsf@mx10.gouders.net> |
| <giipk7v2hv.fsf@mx10.gouders.net> |
| MIME-Version: 1.0 |
| Content-Type: text/plain; charset=us-ascii |
| Content-Disposition: inline |
| In-Reply-To: <giipk7v2hv.fsf@mx10.gouders.net> |
| Thread-Topic: [Problem] kernel hangs at boot (bisected 892d208bcf) |
| Accept-Language: en-GB, en-US |
| Content-Language: en-US |
| User-Agent: Mutt/1.5.20 (2009-06-14) |
| Sender: linux-kernel-owner@vger.kernel.org |
| Precedence: bulk |
| List-ID: <linux-kernel.vger.kernel.org> |
| X-Mailing-List: linux-kernel@vger.kernel.org |
| |
| On Thu, Jan 19, 2012 at 08:52:44PM +0000, Dirk Gouders wrote: |
| > Dirk Gouders <gouders@et.bocholt.fh-gelsenkirchen.de> writes: |
| > I want to note that in my config CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF is |
| > set which causes kmemleak_disable() to be called in kmemleak_init(). |
| |
| Thanks for the investigation. Could you please try the patch below? |
| Thanks. |
| |
| |
| From 09e7bd41ff3fd07e4c5eea7bbb0a045921eb5944 Mon Sep 17 00:00:00 2001 |
| From: Catalin Marinas <catalin.marinas@arm.com> |
| Date: Fri, 20 Jan 2012 10:42:40 +0000 |
| Subject: [PATCH] kmemleak: Disable early logging when kmemleak is off by |
| default |
| |
| Commit b6693005 (kmemleak: When the early log buffer is exceeded, report |
| the actual number) deferred the disabling of the early logging to |
| kmemleak_init(). However, when CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y, the |
| early logging was no longer disabled causing __init kmemleak functions |
| to be called even after the kernel freed the init memory. This patch |
| disables the early logging during kmemleak_init() if kmemleak is left |
| disabled. |
| |
| Reported-by: Dirk Gouders <gouders@et.bocholt.fh-gelsenkirchen.de> |
| Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
| |
| mm/kmemleak.c | 1 + |
| 1 files changed, 1 insertions(+), 0 deletions(-) |
| |
| diff --git a/mm/kmemleak.c b/mm/kmemleak.c |
| index f9f7310..45eb621 100644 |
| |
| |
| @@ -1757,6 +1757,7 @@ void __init kmemleak_init(void) |
| |
| #ifdef CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF |
| if (!kmemleak_skip_disable) { |
| + atomic_set(&kmemleak_early_log, 0); |
| kmemleak_disable(); |
| return; |
| } |
| |
| -- |
| Catalin |
| -- |
| To unsubscribe from this list: send the line "unsubscribe linux-kernel" in |
| the body of a message to majordomo@vger.kernel.org |
| More majordomo info at http://vger.kernel.org/majordomo-info.html |
| Please read the FAQ at http://www.tux.org/lkml/ |