Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752809Ab2J3Xko (ORCPT ); Tue, 30 Oct 2012 19:40:44 -0400 Received: from ogre.sisk.pl ([193.178.161.156]:47141 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751928Ab2J3Xkn convert rfc822-to-8bit (ORCPT ); Tue, 30 Oct 2012 19:40:43 -0400 From: "Rafael J. Wysocki" To: maciej.rutecki@gmail.com Cc: wujianguo@huawei.com, Linux Kernel Mailing List , jiang.liu@huawei.com, akpm@linux-foundation.org, Petr Tesarik Subject: Re: [REGRESSION] 3.7-rc2 kernel BUG at kernel/power/snapshot.c:517! Date: Wed, 31 Oct 2012 00:44:47 +0100 Message-ID: <2355953.ClcD7YxnmU@vostro.rjw.lan> User-Agent: KMail/4.8.5 (Linux/3.7.0-rc3; KDE/4.8.5; x86_64; ; ) In-Reply-To: <201210302135.48585.maciej.rutecki@gmail.com> References: <201210211712.28571.maciej.rutecki@gmail.com> <1552872.pfLgNj3qcY@vostro.rjw.lan> <201210302135.48585.maciej.rutecki@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2451 Lines: 70 On Tuesday, October 30, 2012 09:35:48 PM Maciej Rutecki wrote: > On niedziela, 28 października 2012 o 22:45:26 Rafael J. Wysocki wrote: > > On Sunday, October 28, 2012 10:12:49 PM Maciej Rutecki wrote: > > > On niedziela, 21 października 2012 o 17:12:28 Maciej Rutecki wrote: > > > > Error: kernel BUG at kernel/power/snapshot.c:517! > > > > > > > > Last known good: 3.6.1 > > > > Bad: 3.7-rc2 > > > > > > > > Steps to reproduce: > > > > 1. Boot system with 3.7-rc2 kernel > > > > 2. Try suspend to disk (s2ram works OK) > > > > > > > > System dies on message: > > > > http://mrutecki.pl/download/kernel/3.7-rc2/swinka/DSCN0280.jpg > > > > > > > > lspci: > > > > http://mrutecki.pl/download/kernel/3.7-rc2/swinka/lspci.txt > > > > > > > > dmesg: > > > > http://mrutecki.pl/download/kernel/3.7-rc2/swinka/dmesg-3.7-rc2.txt > > > > > > Still present in -rc3 > > > > This appears to be a memory allocation error and I have no idea what > > the reason of it is. > > > > Any chance to bisect? > > 7f1290f2f2a4d2c3f1b7ce8e87256e052ca23125 is the first bad commit > commit 7f1290f2f2a4d2c3f1b7ce8e87256e052ca23125 > Author: Jianguo Wu > Date: Mon Oct 8 16:33:06 2012 -0700 > > mm: fix-up zone present pages > Signed-off-by: Jianguo Wu > Signed-off-by: Jiang Liu > Reported-by: Petr Tesarik > Tested-by: Petr Tesarik > Cc: "Luck, Tony" > Cc: Mel Gorman > Cc: Yinghai Lu > Cc: Minchan Kim > Cc: Johannes Weiner > Cc: David Rientjes > Signed-off-by: Andrew Morton > Signed-off-by: Linus Torvalds > > > Description says: > "This patch intends to fix-up zone->present_pages when memory are freed to > buddy system on x86_64 and IA64 platforms." > > but I use 32 bit kernel > > Revert this commit solves problem. This is good to know, thanks for bisecting it! Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- 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/