From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752423AbcBOQix (ORCPT ); Mon, 15 Feb 2016 11:38:53 -0500 Received: from e06smtp05.uk.ibm.com ([195.75.94.101]:60200 "EHLO e06smtp05.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750942AbcBOQiw (ORCPT ); Mon, 15 Feb 2016 11:38:52 -0500 X-IBM-Helo: d06dlp02.portsmouth.uk.ibm.com X-IBM-MailFrom: sebott@linux.vnet.ibm.com X-IBM-RcptTo: linux-kernel@vger.kernel.org;linux-s390@vger.kernel.org Date: Mon, 15 Feb 2016 17:38:43 +0100 (CET) From: Sebastian Ott X-X-Sender: sebott@schleppi To: "Kirill A. Shutemov" cc: Gerald Schaefer , Andrea Arcangeli , Christian Borntraeger , "Kirill A. Shutemov" , linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Aneesh Kumar K.V" , Andrew Morton , Linus Torvalds , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , linuxppc-dev@lists.ozlabs.org, Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, Martin Schwidefsky , Heiko Carstens , linux-s390@vger.kernel.org Subject: Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM) In-Reply-To: <20160215113159.GA28832@node.shutemov.name> Message-ID: References: <20160211192223.4b517057@thinkpad> <20160211190942.GA10244@node.shutemov.name> <20160211205702.24f0d17a@thinkpad> <20160212154116.GA15142@node.shutemov.name> <56BE00E7.1010303@de.ibm.com> <20160212181640.4eabb85f@thinkpad> <20160212231510.GB15142@node.shutemov.name> <20160215113159.GA28832@node.shutemov.name> User-Agent: Alpine 2.20 (LFD 67 2015-01-07) Organization: =?ISO-8859-15?Q?=22IBM_Deutschland_Research_&_Development_GmbH_=2F_Vorsitzende_des_Aufsichtsrats=3A_Martina_Koederitz_Gesch=E4ftsf=FChrung=3A_Dirk_Wittkopp_Sitz_der_Gesellschaft=3A_B=F6blingen_=2F_Registergericht?= =?ISO-8859-15?Q?=3A_Amtsgericht_Stuttgart=2C_HRB_243294=22?= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16021516-0021-0000-0000-000005CE32F9 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 15 Feb 2016, Kirill A. Shutemov wrote: > > [ 59.851421] list_del corruption. next->prev should be 000000006e1eb000, but was 0000000000000400 > > This kinda interesting: 0x400 is TAIL_MAPPING.. Hm.. > > Could you check if you see the problem on commit 1c290f642101 and its > immediate parent? Both 1c290f642101 and 1c290f642101^ survived 20 compile runs each. Sebastian From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f43.google.com (mail-wm0-f43.google.com [74.125.82.43]) by kanga.kvack.org (Postfix) with ESMTP id 3BB346B0005 for ; Mon, 15 Feb 2016 11:38:50 -0500 (EST) Received: by mail-wm0-f43.google.com with SMTP id b205so74888762wmb.1 for ; Mon, 15 Feb 2016 08:38:50 -0800 (PST) Received: from e06smtp16.uk.ibm.com (e06smtp16.uk.ibm.com. [195.75.94.112]) by mx.google.com with ESMTPS id c2si26426517wma.96.2016.02.15.08.38.48 for (version=TLS1_2 cipher=AES128-SHA bits=128/128); Mon, 15 Feb 2016 08:38:49 -0800 (PST) Received: from localhost by e06smtp16.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 15 Feb 2016 16:38:48 -0000 Received: from b06cxnps4074.portsmouth.uk.ibm.com (d06relay11.portsmouth.uk.ibm.com [9.149.109.196]) by d06dlp01.portsmouth.uk.ibm.com (Postfix) with ESMTP id 32CA017D805D for ; Mon, 15 Feb 2016 16:39:03 +0000 (GMT) Received: from d06av06.portsmouth.uk.ibm.com (d06av06.portsmouth.uk.ibm.com [9.149.37.217]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u1FGcjFo393570 for ; Mon, 15 Feb 2016 16:38:45 GMT Received: from d06av06.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av06.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u1FGciBr023043 for ; Mon, 15 Feb 2016 11:38:45 -0500 Date: Mon, 15 Feb 2016 17:38:43 +0100 (CET) From: Sebastian Ott Subject: Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM) In-Reply-To: <20160215113159.GA28832@node.shutemov.name> Message-ID: References: <20160211192223.4b517057@thinkpad> <20160211190942.GA10244@node.shutemov.name> <20160211205702.24f0d17a@thinkpad> <20160212154116.GA15142@node.shutemov.name> <56BE00E7.1010303@de.ibm.com> <20160212181640.4eabb85f@thinkpad> <20160212231510.GB15142@node.shutemov.name> <20160215113159.GA28832@node.shutemov.name> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: "Kirill A. Shutemov" Cc: Gerald Schaefer , Andrea Arcangeli , Christian Borntraeger , "Kirill A. Shutemov" , linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Aneesh Kumar K.V" , Andrew Morton , Linus Torvalds , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , linuxppc-dev@lists.ozlabs.org, Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, Martin Schwidefsky , Heiko Carstens , linux-s390@vger.kernel.org On Mon, 15 Feb 2016, Kirill A. Shutemov wrote: > > [ 59.851421] list_del corruption. next->prev should be 000000006e1eb000, but was 0000000000000400 > > This kinda interesting: 0x400 is TAIL_MAPPING.. Hm.. > > Could you check if you see the problem on commit 1c290f642101 and its > immediate parent? Both 1c290f642101 and 1c290f642101^ survived 20 compile runs each. Sebastian -- 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 From: sebott@linux.vnet.ibm.com (Sebastian Ott) Date: Mon, 15 Feb 2016 17:38:43 +0100 (CET) Subject: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM) In-Reply-To: <20160215113159.GA28832@node.shutemov.name> References: <20160211192223.4b517057@thinkpad> <20160211190942.GA10244@node.shutemov.name> <20160211205702.24f0d17a@thinkpad> <20160212154116.GA15142@node.shutemov.name> <56BE00E7.1010303@de.ibm.com> <20160212181640.4eabb85f@thinkpad> <20160212231510.GB15142@node.shutemov.name> <20160215113159.GA28832@node.shutemov.name> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, 15 Feb 2016, Kirill A. Shutemov wrote: > > [ 59.851421] list_del corruption. next->prev should be 000000006e1eb000, but was 0000000000000400 > > This kinda interesting: 0x400 is TAIL_MAPPING.. Hm.. > > Could you check if you see the problem on commit 1c290f642101 and its > immediate parent? Both 1c290f642101 and 1c290f642101^ survived 20 compile runs each. Sebastian