Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp2371151imm; Mon, 16 Jul 2018 07:01:24 -0700 (PDT) X-Google-Smtp-Source: AAOMgpfZfh8Dg8uUnbyRzqxLp3NQN+obVMYqksGp4YrO+RVyGY3S+/HshgAVY7QlfYyV4rrFfpJg X-Received: by 2002:a62:fc5:: with SMTP id 66-v6mr18234599pfp.237.1531749684312; Mon, 16 Jul 2018 07:01:24 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531749684; cv=none; d=google.com; s=arc-20160816; b=MhgNtKUUSiOBNr5ktpY4g1HZI/VSGRPdaLBEdP663O+dTtpRFFOnpz1IBruszM8zCs JR+OVmBwo8gsG4NcZREL1M6wEY7WSaw3ng1Mxrm31xqVN3ijOimXbz/4s/pRag9qS2Mg zAvQaKu/G6tUMAOPKlHyfp/CfBxUsWYD2ziHhE1qd3L5sbGFd3CHYQ32ktY7OF2spba8 RftIe4O+EddxNVoeFVDq9DDfjbLosKCk7oM5rrAYGoV5rdgZU+DSF/5tE46cgV8JhAjE R04/odYeilSCTKLigduRdqTWQoR1lc32UZ2QO4Mtn1HtGU62uwoG2MLk6wRoANLQj/0T 5I3g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-id:spamdiagnosticmetadata:spamdiagnosticoutput :wdcipoutbound:content-language:accept-language:in-reply-to :references:message-id:date:thread-index:thread-topic:subject:cc:to :from:dkim-signature:dkim-signature:arc-authentication-results; bh=sJdI7ZNPlcA5kcy7Cr4phmQbRtZSJbMH6yXbpF7AtRw=; b=G+ajn7QXZHwgFDy06ibtQyMQpuBNrTbp30OxPNbjwQZ6r0tJlbeOrQm/xf6D5iTWLE ru4k7BjsrXIZDfa2sGa9Ik047a/eiOtomYvHGcKNWcS9kW6y+lI29y06H06UTlsNnmfd xVB3ZASGjB3w6idcXEpVkWemBC64i9SqzhqwLS32WBEZ48dRIjLl1o29jWigqEtWqLLz 9vymnngbbUiU1ng9K459oX/gMKrSktetE6zYIlIivx9IAOmhjcQRazSKuVzrP4E4e0WK thOim75Cf+edJsYECiUDiJpLLYVU6pXd1X62nh0jyqZgNx8TW+QHHm2OQbF8153+8wAU aAgw== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@wdc.com header.s=dkim.wdc.com header.b=RKHobW1T; dkim=pass header.i=@sharedspace.onmicrosoft.com header.s=selector1-wdc-com header.b=Nxl+lT9g; 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.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n1-v6si16421712plp.166.2018.07.16.07.01.09; Mon, 16 Jul 2018 07:01:24 -0700 (PDT) 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; dkim=fail header.i=@wdc.com header.s=dkim.wdc.com header.b=RKHobW1T; dkim=pass header.i=@sharedspace.onmicrosoft.com header.s=selector1-wdc-com header.b=Nxl+lT9g; 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.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729791AbeGPO2L (ORCPT + 99 others); Mon, 16 Jul 2018 10:28:11 -0400 Received: from esa1.hgst.iphmx.com ([68.232.141.245]:42430 "EHLO esa1.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727385AbeGPO2L (ORCPT ); Mon, 16 Jul 2018 10:28:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1531749636; x=1563285636; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=sJdI7ZNPlcA5kcy7Cr4phmQbRtZSJbMH6yXbpF7AtRw=; b=RKHobW1Tgu8jt3M/HKHMe3tXTP8qfyAL19d1CWdqJtTuRGYzj8xJ8Pt9 1hkrdq9lgslVG97XGb0e5eIY546hIBuHGt433LZXihns+3vzgfsHbfnft S35zkWR4ErH7gM+6tnloz/EmbK5x6E+BW1Etya9B+o1oh/J+TBMz409BG zL9OBJB+oYl2NonFCy//PxTXyNxc2z3faPrl5mWEq08tUHiFkT0Nt7EYr 5voZKvoB/Iu3YRJBDneJyITWtSfuxxANTB1iAEa+9rkr2/3xxCuTEDYXD tIwPizNsduRHjZ/beCViHazydq03V7M7/XDt/yhfB7V8B0jMJTaZZLs1t A==; X-IronPort-AV: E=Sophos;i="5.51,361,1526313600"; d="scan'208";a="187643272" Received: from mail-bn3nam04lp0118.outbound.protection.outlook.com (HELO NAM04-BN3-obe.outbound.protection.outlook.com) ([216.32.180.118]) by ob1.hgst.iphmx.com with ESMTP; 16 Jul 2018 22:00:30 +0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sharedspace.onmicrosoft.com; s=selector1-wdc-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=sJdI7ZNPlcA5kcy7Cr4phmQbRtZSJbMH6yXbpF7AtRw=; b=Nxl+lT9g0alo3g1Kjz/HdtS0vmpJ+HpyYxK79RlQ8WKj2HguhtojLGehiEHIyJy6AN4BQ1onrIdXeKbgmQKdMrTEMVfu4mv3XKRFk0gSREAoxxWoGtFiFkY1UvV3J3TlWushAXZAbffFQ1JbG9rqnE2GnTLi8Gx5RWs9pqjzfBA= Received: from MWHPR04MB1198.namprd04.prod.outlook.com (10.173.48.151) by MWHPR04MB0350.namprd04.prod.outlook.com (10.169.202.148) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.952.17; Mon, 16 Jul 2018 14:00:27 +0000 Received: from MWHPR04MB1198.namprd04.prod.outlook.com ([fe80::a134:ec95:a6c0:7c44]) by MWHPR04MB1198.namprd04.prod.outlook.com ([fe80::a134:ec95:a6c0:7c44%4]) with mapi id 15.20.0930.022; Mon, 16 Jul 2018 14:00:27 +0000 From: Bart Van Assche To: "linuxppc-dev@lists.ozlabs.org" , "abdhalee@linux.vnet.ibm.com" CC: "linux-kernel@vger.kernel.org" , "dougmill@linux.vnet.ibm.com" , "axboe@kernel.dk" , "linux-scsi@vger.kernel.org" , "sachinp@linux.vnet.ibm.com" , "jack@suse.com" , "mpe@ellerman.id.au" , "MPT-FusionLinux.pdl@broadcom.com" Subject: Re: [4.18.0-rc4][bisected a063057d][mpt3sas] WARNING: CPU: 87 PID: 18868 at block/blk-core.c:781 blk_cleanup_queue+0x20c/0x220 Thread-Topic: [4.18.0-rc4][bisected a063057d][mpt3sas] WARNING: CPU: 87 PID: 18868 at block/blk-core.c:781 blk_cleanup_queue+0x20c/0x220 Thread-Index: AQHUHOJzHDvzoLVAN0ew4J73cfwNVqSR4OwA Date: Mon, 16 Jul 2018 14:00:27 +0000 Message-ID: <453e3f042dfbb4c848cb434db888f9051c58686a.camel@wdc.com> References: <1531731189.15016.15.camel@abdul.in.ibm.com> In-Reply-To: <1531731189.15016.15.camel@abdul.in.ibm.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Bart.VanAssche@wdc.com; x-originating-ip: [174.62.111.89] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MWHPR04MB0350;7:1BhxAqEtxWIdEpsgLEW2mMUcXHy9q2dMs3ivL6DILIf0o7edQXkCuqQOUu6+9KW8GaGPn1bamqSsJXk/jEALZDMFE3YaWy/si+O0tEkW6wogmbJVqnvYb6hA1MOZ6purslnljflVe2abil312pwyuXE3JukN6fKpaOZxWH/PGKeSQiTX4Xko7qbvpAhswQT73p8oH63l8Ayvnef3/USrQ1kUMgbf76y/X+g1lhLdIIC9c89OuyVfKBggth9zkhT9;20:z257f+p77mTREVMYhX4VIeHtmwIbwcAl3MXB/A2ZobqSpXfpNy4W2Z4+znCz4kJukZCcCldzcBapR3tfGISteHPCwrVGHTW0i/InK/ZCRkxd0pj99C9AfmYiExJWOdggLHLN/HMbeS+lCPegGxVbR1CRmzfJO1Mc3LRGL6mFp6U= x-ms-exchange-antispam-srfa-diagnostics: SOS; x-ms-office365-filtering-correlation-id: 787a15ef-2515-4566-95c9-08d5eb247c46 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989117)(5600053)(711020)(4534165)(4627221)(201703031133081)(201702281549075)(8990107)(48565401081)(2017052603328)(7153060)(7193020);SRVR:MWHPR04MB0350; x-ms-traffictypediagnostic: MWHPR04MB0350: wdcipoutbound: EOP-TRUE x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(9452136761055)(278021516957215); x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(6040522)(2401047)(5005006)(8121501046)(3002001)(3231311)(944501410)(52105095)(10201501046)(93006095)(93001095)(6055026)(149027)(150027)(6041310)(20161123564045)(20161123558120)(20161123562045)(20161123560045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(6072148)(201708071742011)(7699016);SRVR:MWHPR04MB0350;BCL:0;PCL:0;RULEID:;SRVR:MWHPR04MB0350; x-forefront-prvs: 073515755F x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(136003)(366004)(376002)(346002)(39860400002)(396003)(189003)(199004)(476003)(97736004)(256004)(36756003)(68736007)(229853002)(446003)(105586002)(6306002)(6512007)(2906002)(25786009)(14444005)(14454004)(72206003)(478600001)(486006)(2616005)(106356001)(8936002)(99286004)(118296001)(81166006)(81156014)(11346002)(305945005)(8676002)(86362001)(7736002)(53936002)(6246003)(110136005)(5660300001)(316002)(3846002)(2501003)(6116002)(2900100001)(54906003)(5250100002)(4326008)(6486002)(186003)(26005)(102836004)(76176011)(66066001)(6436002)(6506007)(7416002);DIR:OUT;SFP:1102;SCL:1;SRVR:MWHPR04MB0350;H:MWHPR04MB1198.namprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; x-microsoft-antispam-message-info: ZugFeo0PmgcLUZYgi43Brfh33y2+29PX2OrKYqEjK1CwaqR1A3+bQRm9HR2WmBe5peLaoUxX077XFtZRZliS8aorgtNCU8hemdjbj3wJVGmWFZP9da27yGyPAIXbvscn5BJXPVW/fAYbknOQATQOSNU9bJALkJAOBl2elfh61Oub9D/TC/wXGjTJPO6XJfqsKLoSve7SQyJn4KNshE0ohTGyhFHULkhVvtsPfnEnav4JKUvDZmdUzf9io5oI/talnMmqoVJupHZnlwdhAvVtdEfIpm4eKg796lAAAqKfj/Yz4lN9MZ8JE40VamWbZxXGnWQWa/ZQeFzXJwtH/hoGmnCWV4fxmB5/vNxJi7Ue2wc= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-7" Content-ID: <3063EAC5A5FA7149A3E23C37E83455EE@namprd04.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: 787a15ef-2515-4566-95c9-08d5eb247c46 X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Jul 2018 14:00:27.7412 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR04MB0350 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2018-07-16 at 14:23 +-0530, Abdul Haleem wrote: +AD4- mpt3sas module unload triggered a warning at block/blk-core.c:781 on = a +AD4- powerpc bare-metal running mainline kernel +AD4-=20 +AD4- WARN+AF8-ON+AF8-ONCE() was introduced with commit a063057 : block: Fi= x a race +AD4- between request queue removal and the block cgroup controller Please check whether the following patch series fixes this regression: +AFs= -PATCH v3 0/2+AF0- Ensure that a request queue is dissociated from the cgroup cont= roller (https://www.mail-archive.com/linux-block+AEA-vger.kernel.org/msg21897.html= ). Thanks, Bart.