From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75060C43387 for ; Mon, 17 Dec 2018 14:51:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C918206A2 for ; Mon, 17 Dec 2018 14:51:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=hammerspace.com header.i=@hammerspace.com header.b="dqmtMSXd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733220AbeLQOvx (ORCPT ); Mon, 17 Dec 2018 09:51:53 -0500 Received: from mail-eopbgr760120.outbound.protection.outlook.com ([40.107.76.120]:59931 "EHLO NAM02-CY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727605AbeLQOvw (ORCPT ); Mon, 17 Dec 2018 09:51:52 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hammerspace.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=lX8eZvEgGszksL+g8S+qm6gTb14bmsY4VOKPbuEs3xk=; b=dqmtMSXdoQMCYhxPSOtLoBr7bhyyrULaD1AHheeQt4QuGjI1I1exmEfoQyvJim/RW0bTkdS7VM6KUCtwD7rOK24NQdXq5vfActMd/39dA3Dli1uIeNd0P9cl/ckjVZkPRpQ6NcfaNvnWuNVDEpUyAMUXP7ruAHJzUTTA6nb6V70= Received: from SN6PR13MB2494.namprd13.prod.outlook.com (52.135.95.148) by SN6PR13MB2239.namprd13.prod.outlook.com (52.135.93.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1446.14; Mon, 17 Dec 2018 14:51:47 +0000 Received: from SN6PR13MB2494.namprd13.prod.outlook.com ([fe80::25d2:c29b:5dfa:e85f]) by SN6PR13MB2494.namprd13.prod.outlook.com ([fe80::25d2:c29b:5dfa:e85f%4]) with mapi id 15.20.1446.015; Mon, 17 Dec 2018 14:51:47 +0000 From: Trond Myklebust To: "geert@linux-m68k.org" CC: "linux-kernel@vger.kernel.org" , "linux-nfs@vger.kernel.org" , "linux-mips@vger.kernel.org" , "anemo@mba.ocn.ne.jp" Subject: Re: NFS/TCP crashes on MIPS/RBTX4927 in v4.20-rcX (bisected) Thread-Topic: NFS/TCP crashes on MIPS/RBTX4927 in v4.20-rcX (bisected) Thread-Index: AQHUi9i5PIVFqTXGUkaECw8346+eJ6VwIHQAgAAITgCAAAEhAIAAEWKAgBLPo4CAAA11gA== Date: Mon, 17 Dec 2018 14:51:47 +0000 Message-ID: References: <20181205.221146.969453990167463340.anemo@mba.ocn.ne.jp> <92ce4b8c2b2d53e27ed5bc0e5af3fee4bc17b4dc.camel@hammerspace.com> In-Reply-To: Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=trondmy@hammerspace.com; x-originating-ip: [68.40.189.247] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;SN6PR13MB2239;6:vRuNN45HQmWgbBa0uqlzwk718GgvZgkCPh8+n1HnSK/+Ra6RCdPuLxmazwQHoTV/cii7sATLkFBx+vtSbYLoca64ACMxJqxwx8ezdGiqxiaHL3KFJPiVCcsqhuvM5pZEKJpQ5U0quHsCmL1fiwZbMB0+6LJ4ZDeb3HzU7/Nj2wl0ASYjSeXNKUF7eaNLAeXF1QDlk1fZDwOCcqpTE48yawioO/kf/Ub/xuTTAhYw0CXTN4Tc+wy8IZdLFVath5QhXahi0nNoaiN/UN+/wu5HN0OSTmpUU8XP1Mbrkr8Sa6Ks7pd4D27wcfzynWo1mPTIv9hBC/SRUjAZ5csC+gWr/QOCkLHU+GPq/rW60GHkDNQKN8KCKqf/K2pP3jOhxdxH3G9j8vCNdN5kmRXfpfA4BRlJd3XgEYG342pwa/EFTvSQ/fUCSFJSaMbaBiLitqDhtvc/xnbV6PB8TpWTZVUHqQ==;5:4K6sCcrT+MYlhxL5VYeKolilewcm5Y7ZVx2o3G+sxsAGSE6pIefbB7YB5Vetfao2dRPIddDK3Peh2BgkJg5t47HbmuNJf5iXfPGzXS1eiGPIn43vgpiFi6lM8HOvUg9az+zk9yUB9n2oBlkfzkg4UwM4y3qi2EmCZpx5nBmPH7o=;7:rVMMmxk2ZlwQINzOg0IJaw75LVe42zPy2EpicN0WgCP10xTjZvNnpookHsp9HefcqV2hUa2gGAQOnccP4O1H/dxjQwELHik2hChHRijDyrd87Ue9gdvlmEyRH2r/uUV7Nhx0OkFW3nOgfiG3a0giTA== x-ms-exchange-antispam-srfa-diagnostics: SOS; x-ms-office365-filtering-correlation-id: 3e9d8c7b-2a76-442b-c46b-08d6642f2b7a x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600074)(711020)(2017052603328)(7153060)(7193020);SRVR:SN6PR13MB2239; x-ms-traffictypediagnostic: SN6PR13MB2239: x-microsoft-antispam-prvs: x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(3230021)(999002)(6040522)(2401047)(8121501046)(5005006)(93006095)(93001095)(3231475)(944501520)(52105112)(3002001)(10201501046)(148016)(149066)(150057)(6041310)(20161123562045)(20161123564045)(20161123558120)(20161123560045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(201708071742011)(7699051)(76991095);SRVR:SN6PR13MB2239;BCL:0;PCL:0;RULEID:;SRVR:SN6PR13MB2239; x-forefront-prvs: 08897B549D x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(396003)(366004)(376002)(39830400003)(136003)(346002)(199004)(189003)(51914003)(2501003)(26005)(186003)(118296001)(5640700003)(7736002)(305945005)(68736007)(4326008)(81166006)(8936002)(8676002)(81156014)(1730700003)(6246003)(97736004)(6512007)(6306002)(71190400001)(5660300001)(4001150100001)(53936002)(71200400001)(14444005)(256004)(36756003)(2906002)(6486002)(229853002)(3846002)(54906003)(6116002)(66066001)(6436002)(6916009)(25786009)(14454004)(105586002)(76176011)(53546011)(446003)(11346002)(93886005)(476003)(2351001)(99286004)(106356001)(966005)(2616005)(486006)(316002)(102836004)(86362001)(6506007)(478600001);DIR:OUT;SFP:1102;SCL:1;SRVR:SN6PR13MB2239;H:SN6PR13MB2494.namprd13.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: hammerspace.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: iZls+sV0uci+72l8r12nijSZvlsU08Se2cU+pIlugP7hC/1G4Re5P6igtr9t/7DgQKRmoDJmFmC34dW+aijEv+eQWt1H4cDC5coR01Tek5vBd+4DxeFUM7ZqTjFajzUsdf+CXhWNy5/6qm+mw0/xXguhKDhDc5BC/7Dly9ZtKaIZiLqScHLXEqbfbOMAv/hQ2q3hec92e/Z6PYNNqun1RMBTOhfiXgJs3q+KwSbt6Ewu47DZh42Dh1WOWC/Bhu0c4DhtsiAxQdRthYPBnfId7Q3XUkP8xGZLQDm+QxvohCjkA8yPbaknC+LNf1MsfHzP spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: <9E816BBD2342394998F717DD2359BAE9@namprd13.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: hammerspace.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3e9d8c7b-2a76-442b-c46b-08d6642f2b7a X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Dec 2018 14:51:47.2308 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 0d4fed5c-3a70-46fe-9430-ece41741f59e X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR13MB2239 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGkgR2VlcnQsDQoNCk9uIE1vbiwgMjAxOC0xMi0xNyBhdCAxNTowMyArMDEwMCwgR2VlcnQgVXl0 dGVyaG9ldmVuIHdyb3RlOg0KPiBIaSBUcm9uZCwNCj4gDQo+IE9uIFdlZCwgRGVjIDUsIDIwMTgg YXQgMzo0NyBQTSBHZWVydCBVeXR0ZXJob2V2ZW4gPA0KPiBnZWVydEBsaW51eC1tNjhrLm9yZz4g d3JvdGU6DQo+ID4gT24gV2VkLCBEZWMgNSwgMjAxOCBhdCAyOjQ1IFBNIFRyb25kIE15a2xlYnVz dCA8DQo+ID4gdHJvbmRteUBoYW1tZXJzcGFjZS5jb20+IHdyb3RlOg0KPiA+ID4gT24gV2VkLCAy MDE4LTEyLTA1IGF0IDE0OjQxICswMTAwLCBHZWVydCBVeXR0ZXJob2V2ZW4gd3JvdGU6DQo+ID4g PiA+IE9uIFdlZCwgRGVjIDUsIDIwMTggYXQgMjoxMSBQTSBBdHN1c2hpIE5lbW90byA8DQo+ID4g PiA+IGFuZW1vQG1iYS5vY24ubmUuanA+DQo+ID4gPiA+IHdyb3RlOg0KPiA+ID4gPiA+IE9uIFR1 ZSwgNCBEZWMgMjAxOCAxNDo1MzowNyArMDEwMCwgR2VlcnQgVXl0dGVyaG9ldmVuIDwNCj4gPiA+ ID4gPiBnZWVydEBsaW51eC1tNjhrLm9yZz4gd3JvdGU6DQo+ID4gPiA+ID4gPiBJIGZvdW5kIHNp bWlsYXIgY3Jhc2hlcyBpbiBhIHJlcG9ydCBmcm9tIDIwMDYsIGJ1dCBvZg0KPiA+ID4gPiA+ID4g Y291cnNlIHRoZQ0KPiA+ID4gPiA+ID4gY29kZQ0KPiA+ID4gPiA+ID4gaGFzIGNoYW5nZWQgdG9v IG11Y2ggdG8gYXBwbHkgdGhlIHNvbHV0aW9uIHByb3Bvc2VkIHRoZXJlDQo+ID4gPiA+ID4gPiAo DQo+ID4gPiA+ID4gPiBodHRwczovL3d3dy5saW51eC1taXBzLm9yZy9hcmNoaXZlcy9saW51eC1t aXBzLzIwMDYtMDkvbXNnMDAxNjkuaHRtbA0KPiA+ID4gPiA+ID4gKS4NCj4gPiA+ID4gPiA+IA0K PiA+ID4gPiA+ID4gVXNlcmxhbmQgaXMgRGViaWFuIDggKHRoZSBsYXN0IHJlbGVhc2Ugc3VwcG9y dGluZyAib2xkIg0KPiA+ID4gPiA+ID4gTUlQUykuDQo+ID4gPiA+ID4gPiBNeSBrZXJuZWwgaXMg YmFzZWQgb24gdjQuMjAuMC1yYzUsIGJ1dCB0aGUgaXNzdWUgaGFwcGVucw0KPiA+ID4gPiA+ID4g d2l0aA0KPiA+ID4gPiA+ID4gdjQuMjAtcmMxLA0KPiA+ID4gPiA+ID4gdG9vLg0KPiA+ID4gPiA+ ID4gDQo+ID4gPiA+ID4gPiBIb3dldmVyLCBJIG5vdGljZWQgaXQgd29ya3MgaW4gdjQuMTkhIEhl bmNlIEkndmUgYmlzZWN0ZWQNCj4gPiA+ID4gPiA+IHRoaXMsDQo+ID4gPiA+ID4gPiB0byBjb21t aXQNCj4gPiA+ID4gPiA+IDI3N2U0YWI3ZDUzMGJmMjggKCJTVU5SUEM6IFNpbXBsaWZ5IFRDUCBy ZWNlaXZlIGNvZGUgYnkNCj4gPiA+ID4gPiA+IHN3aXRjaGluZw0KPiA+ID4gPiA+ID4gdG8gdXNp bmcNCj4gPiA+ID4gPiA+IGl0ZXJhdG9ycyIpLg0KPiA+ID4gPiA+ID4gDQo+ID4gPiA+ID4gPiBE cm9wcGluZyB0aGUgIix0Y3AiIHBhcnQgZnJvbSB0aGUgbmZzcm9vdCBwYXJhbWV0ZXIgYWxzbw0K PiA+ID4gPiA+ID4gZml4ZXMNCj4gPiA+ID4gPiA+IHRoZSBpc3N1ZS4NCj4gPiA+ID4gPiA+IA0K PiA+ID4gPiA+ID4gR2l2ZW4gUkJUWDQ5MjcgaXMgbGl0dGxlIGVuZGlhbiwganVzdCBsaWtlIG15 IGFybS9hcm02NA0KPiA+ID4gPiA+ID4gYm9hcmRzLA0KPiA+ID4gPiA+ID4gaXQncyBwcm9iYWJs eQ0KPiA+ID4gPiA+ID4gbm90IGFuIGVuZGlhbm5lc3MgaXNzdWUuICBTcGFyc2UgZGlkbid0IHNo b3cgYW55dGhpbmcNCj4gPiA+ID4gPiA+IHN1c3BpY2lvdXMNCj4gPiA+ID4gPiA+IGJlZm9yZS9h ZnRlcg0KPiA+ID4gPiA+ID4gdGhlIGd1aWx0eSBjb21taXQuDQo+ID4gPiA+ID4gPiANCj4gPiA+ ID4gPiA+IERvIHlvdSBoYXZlIGEgY2x1ZT8NCj4gPiA+ID4gPiANCj4gPiA+ID4gPiBJZiBpdCB3 YXMgYSBjYWNoZSBpc3N1ZSwgZGlzYWJsaW5nIGktY2FjaGUgb3IgZC1jYWNoZQ0KPiA+ID4gPiA+ IGNvbXBsZXRlbHkNCj4gPiA+ID4gPiBtaWdodA0KPiA+ID4gPiA+IGhlbHAgdW5kZXJzdGFuZGlu ZyB0aGUgcHJvYmxlbS4gIEkgYWRkZWQgVFh4OSBzcGVjaWZpYw0KPiA+ID4gPiA+ICJpY2Rpc2Fi bGUiDQo+ID4gPiA+ID4gYW5kDQo+ID4gPiA+ID4gImRjZGlzYWJsZSIga2VybmVsIG9wdGlvbnMg Zm9yIGRlYnVnZ2luZyBsb25nIGFnby4NCj4gPiA+ID4gPiANCj4gPiA+ID4gPiBJIGhvcGUgdGhl c2Ugb3B0aW9ucyBzdGlsbCB3b3JrcyBjb3JyZWN0bHkgd2l0aCByZWNlbnQga2VybmVsDQo+ID4g PiA+ID4gYnV0DQo+ID4gPiA+ID4gbm90DQo+ID4gPiA+ID4gc3VyZS4NCj4gPiA+ID4gPiANCj4g PiA+ID4gPiBBbHNvLCBkaXNhYmxpbmcgaS1jYWNoZSBtYWtlcyB5b3VyIGJvYXJkIFZFUlkgc2xv dywgb2YNCj4gPiA+ID4gPiBjb3Vyc2UuDQo+ID4gPiA+IA0KPiA+ID4gPiBUaGFua3MhDQo+ID4g PiA+IA0KPiA+ID4gPiBXaGVuIHVzaW5nIHRoZXNlIG9wdGlvbnMsIEkgZG8gc2VlIGEgc2xvd2Rv d24gaW4gZWFybHkgYm9vdCwNCj4gPiA+ID4gYnV0IHRoZQ0KPiA+ID4gPiBpc3N1ZQ0KPiA+ID4g PiBpcyBzdGlsbCB0aGVyZS4NCj4gPiA+ID4gDQo+ID4gPiA+IE15IG5leHQgZ3Vlc3MgaXMgYW4g dW5hbGlnbmVkIGFjY2VzcyBub3QgdXNpbmcNCj4gPiA+ID4ge2dldCxwdXR9X3VuYWxpZ25lZCgp LA0KPiA+ID4gPiB3aGljaA0KPiA+ID4gPiBkb2Vzbid0IHNlZW0gdG8gd29yayBvbiB0eDQ5Mjcs IGJ1dCBkb2Vzbid0IGNhdXNlIGFuIGV4Y2VwdGlvbg0KPiA+ID4gPiBuZWl0aGVyLg0KPiA+ID4g DQo+ID4gPiBDYW4geW91IHRyeSBteSBsaW51eC1uZXh0IGJyYW5jaCBvbiBnaXQubGludXgtbmZz Lm9yZz8gSXQNCj4gPiA+IGNvbnRhaW5zIGENCj4gPiA+IGZpeGVzIGZvciBhIGhhbmcgdGhhdCBy ZXN1bHRzIGZyb20gdGhlIGFib3ZlIGNvbW1pdC4NCj4gPiA+IA0KPiA+ID4gZ2l0IHB1bGwgZ2l0 Oi8vZ2l0LmxpbnV4LW5mcy5vcmcvcHJvamVjdHMvdHJvbmRteS9saW51eC1uZnMuZ2l0DQo+ID4g PiBsaW51eC1uZXh0DQo+ID4gDQo+ID4gVGhhbmtzIGZvciB0aGUgc3VnZ2VzdGlvbiwgYnV0IHVu Zm9ydHVuYXRlbHkgaXQgZG9lc24ndCBoZWxwLg0KPiANCj4gSW4gdGhlIG1lYW4gdGltZSwgSSB0 cmllZCB5b3VyIG5ld2VyIGxpbnV4LW5leHQsIG5vIGNoYW5nZS4NCj4gSSB0cmllZCBzZXZlcmFs IG90aGVyIHRoaW5nczoNCj4gICAtIHJlbW92ZSB0aGUgcGFja2VkIGF0dHJpYnV0ZSAod2h5IGRp ZCB5b3UgYWRkIHRoYXQ/KSwNCg0KVGhlIHBhY2tlZCBhdHRyaWJ1dGUgYWxsb3dzIHVzIHRvIGF2 b2lkIGEgc2VyaWVzIG9mIGNvcHkgb3BlcmF0aW9ucw0Kd2hlbiBkZWNvZGluZyB0aGUgZmlyc3Qg dGhyZWUgZWxlbWVudHMgb2YgYSBSUEMgb3ZlciBUQ1AgaGVhZGVyICh3aGljaA0KaXMgd2h5IHRo ZXkgYXJlIGFsbCBkZWNsYXJlZCBhcyBiaWcgZW5kaWFuKS4gVGhlIGFsdGVybmF0aXZlIHdvdWxk IGJlDQp0byBoYXZlIGEgMTIgYnl0ZSBidWZmZXIgdGhlcmUgZm9yIHRlbXBvcmFyeSBzdG9yYWdl LCBhbmQgdGhlbiBhDQpkdXBsaWNhdGUgc2V0IG9mIDMgMzItYml0IHdvcmRzIGludG8gd2hpY2gg d2UgY29weSB0aGUgYnVmZmVyIGNvbnRlbnRzDQphZnRlciBleHRyYWN0aW5nIHRoZW0gZnJvbSB0 aGUgKG5vbi1ibG9ja2luZykgc29ja2V0Lg0KDQo+ICAgLSB2ZXJpZnkgKGF0IHJ1bnRpbWUpIHRo YXQgYWxsIGFjY2Vzc2VzIHRvIGZyYWdoZHIsIHhpZCwgYW5kDQo+IGNhbGxkaXINCj4gYXJlIGFs aWduZWQsDQo+ICAgLSBlbmFibGUgUlBDX0RFQlVHX0RBVEEsIG5vdGhpbmcgZmlzaHkgc2VlbiBh dCBmaXJzdCBzaWdodC4NCj4gDQo+IElzIGFueW9uZSBlbHNlIHNlZWluZyB0aGlzIG9uIE1JUFMs IG9yIGFueSBvdGhlciBwbGF0Zm9ybT8NCj4gRG9lcyBtb3VudGluZyBORlMgd2l0aCAtbyBuZnN2 ZXJzPTMsdGNwIHdvcmsgb24gb3RoZXIgTUlQUyBwbGF0Zm9ybXM/DQoNCkkgaGF2ZSBubyBhY2Nl c3MgdG8gYW55IE1JUFMgaGFyZHdhcmUgZm9yIHRoZSBwdXJwb3NlcyBvZiB0ZXN0aW5nIHNvDQp0 aGF0IHdvdWxkIGJlIGEgcXVlc3Rpb24gZm9yIHRoZSBjb21tdW5pdHkuDQoNCk9uZSB0aGluZyB0 aGF0IEkgaGF2ZSBub3RpY2VkIGlzIHRoYXQgdW5saWtlIHRoZSBvbGQgY29kZSwgdGhlIGJ2ZWMN CidnZW5lcmljJyBjb2RlIGRvZXMgYXBwZWFyIHRvIGZhaWwgdG8gY2FsbCBmbHVzaF9kY2FjaGVf cGFnZSgpLiBDb3VsZA0KdGhhdCBiZSBjYXVzaW5nIHRoZSBwcm9ibGVtIGhlcmU/IElmIHNvLCB3 aHkgd291bGQgdGhhdCBub3QgYmUgYQ0KcHJvYmxlbSBpbiB0aGUgY29udGV4dCBvZiByZWd1bGFy IGJsb2NrIEkvTz8NCg0KQ2hlZXJzDQogIFRyb25kDQotLSANClRyb25kIE15a2xlYnVzdA0KTGlu dXggTkZTIGNsaWVudCBtYWludGFpbmVyLCBIYW1tZXJzcGFjZQ0KdHJvbmQubXlrbGVidXN0QGhh bW1lcnNwYWNlLmNvbQ0KDQoNCg==