Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp6610141ybi; Wed, 29 May 2019 10:14:13 -0700 (PDT) X-Google-Smtp-Source: APXvYqzXOPSWC4oEPewvdEd6gi/8iAYSbJOGmV58OA6KFjcR80Xvjg2LcWlWY7wC30g5bTMMhbyo X-Received: by 2002:a17:902:ab8c:: with SMTP id f12mr39332469plr.216.1559150053260; Wed, 29 May 2019 10:14:13 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559150053; cv=none; d=google.com; s=arc-20160816; b=gSyBE4+QTLqNRlts3L9GQayigz29sVDpNmuKqOkAJh854vWqr9bozqY+9R50HihDUN PUidmvl/IIB5qObge9SrIY//voDwR+2sIQF8hPSpQOW7+MnNo56lSnfkA/FJRp7uwpid SaY2AA4V8tq5pa7KvaFCT+l5cAW+QUSJuft/+QFsCvfqyo5fa5ICcGWT8DlMW9+V6pLI pZ7JElombR4cUCEYtMtbRupLTb2N3LGxsKdifftPLghfYCVl0oPom96eqxB6RVLb7MnH 2FVkRgWvjZw63zx+zZEx956wQNUGmcmxM98ZID1hvPtyN/Hw21nLZHkzVWUFbrmiBeEF NP9Q== 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:content-language:accept-language:in-reply-to:references :message-id:date:thread-index:thread-topic:subject:to:from :dkim-signature; bh=QdyNU2PGZc9Ijgq/oaQsb7KquXrMnTreu+8dj6Cw5a8=; b=bHA3Y+rvkDbJQ3tRfsjXisMlIoK7opfLAnWNdDdY+h95c2XFJfCtTnffuELS5wyARs IyNdPFWsvDu85NSftb48qTcUST3HGV6SDTdCuAuqhH77ZrpMBcRbEzIvsxeRxxDU+v10 md+N0zo0TJ7tohT/mv2UyKf+MC444d/4mQA9CmaUROlfa1fM53ERduHClksXmWhE0kPO yIkIhKiVV5TMT4vw3LfAw3wg1MQLZZwzwKAu32OEAx4gSPERzk0syCU7mIAp2SSpRs9+ Je62k+6TmO/I9g/LA/dXbHuLJEpmay5CgJ8Xy3xzqEa34tKGxfhl0hLeAN+fRIbPdRWz ns6w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@hammerspace.com header.s=selector2 header.b="d/Ttb7M3"; spf=pass (google.com: best guess record for domain of linux-nfs-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=hammerspace.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f3si209459pln.263.2019.05.29.10.13.59; Wed, 29 May 2019 10:14:13 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-nfs-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@hammerspace.com header.s=selector2 header.b="d/Ttb7M3"; spf=pass (google.com: best guess record for domain of linux-nfs-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=hammerspace.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726024AbfE2RN5 (ORCPT + 99 others); Wed, 29 May 2019 13:13:57 -0400 Received: from mail-eopbgr690129.outbound.protection.outlook.com ([40.107.69.129]:13314 "EHLO NAM04-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726008AbfE2RN5 (ORCPT ); Wed, 29 May 2019 13:13:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hammerspace.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=QdyNU2PGZc9Ijgq/oaQsb7KquXrMnTreu+8dj6Cw5a8=; b=d/Ttb7M3/Phmjfrg2zLtFBw+zxSig6Lj+dkQqdGTgdv2C7ehg0v6VBtk4j1Vu47QFS+tgtMkFnOeaNsk8TkBrM0RLtbJCV05P/aG++c2NxZvHmMO5zHwPt47jMVEsAuMWVSgmMS+Z4NMXlcEtdzVOneclszOXE0sZGWESGsJSlA= Received: from DM5PR13MB1851.namprd13.prod.outlook.com (10.171.159.143) by DM5PR13MB1113.namprd13.prod.outlook.com (10.168.119.149) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1943.12; Wed, 29 May 2019 17:13:52 +0000 Received: from DM5PR13MB1851.namprd13.prod.outlook.com ([fe80::502c:c076:fdd4:9633]) by DM5PR13MB1851.namprd13.prod.outlook.com ([fe80::502c:c076:fdd4:9633%7]) with mapi id 15.20.1943.016; Wed, 29 May 2019 17:13:52 +0000 From: Trond Myklebust To: "nbowler@draconx.ca" , "linux-nfs@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Olga.Kornievskaia@netapp.com" Subject: Re: PROBLEM: oops spew with Linux 5.1.5 (NFS regression?) Thread-Topic: PROBLEM: oops spew with Linux 5.1.5 (NFS regression?) Thread-Index: AQHVFjHGFgpyC3z9qUaYOUWJf0WI2aaCV1+A Date: Wed, 29 May 2019 17:13:52 +0000 Message-ID: References: <20190529151003.hzmesyoiopnbcgkb@aura.draconx.ca> In-Reply-To: <20190529151003.hzmesyoiopnbcgkb@aura.draconx.ca> 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: [50.124.247.140] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: ac5b07d0-4512-4ea5-2595-08d6e4590626 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(5600148)(711020)(4605104)(1401327)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7193020);SRVR:DM5PR13MB1113; x-ms-traffictypediagnostic: DM5PR13MB1113: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; x-forefront-prvs: 0052308DC6 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(376002)(396003)(366004)(136003)(346002)(39830400003)(189003)(199004)(68736007)(256004)(6512007)(66066001)(14454004)(36756003)(14444005)(8676002)(53546011)(11346002)(6246003)(486006)(53936002)(2501003)(2201001)(6436002)(2906002)(86362001)(478600001)(76176011)(6506007)(71200400001)(102836004)(99286004)(71190400001)(229853002)(316002)(26005)(305945005)(186003)(110136005)(6486002)(81166006)(81156014)(25786009)(446003)(476003)(2616005)(8936002)(66476007)(66446008)(64756008)(66556008)(66946007)(3846002)(5660300002)(118296001)(76116006)(7736002)(73956011)(6116002);DIR:OUT;SFP:1102;SCL:1;SRVR:DM5PR13MB1113;H:DM5PR13MB1851.namprd13.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: hammerspace.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: WwiFqrQm73YCSCOBl+pst9OCPDfjjPd0iZT9bp5dfdHJmBavxBROtLijZGYSn9wAdUh3bmCaPm0kc77KIQDmxr0P1wCu77EHabl4VrJ4pzBsKY1MzW+jmAKC2M1hEPe+FbZMWZQNLuOEuoBXBbsI5mmaMz50kqoxsL+PiUervQlHYectdFYiW9n2uehY5QdBfrsEXToNqYlwKn0DypeAltuzik+YQyYiEi5cknamfGF6lTjfvSyVSPXdS/6jEESvNJd8obwC8VBGGyJ2gSdcgImueY4z7EyEf+5vTrhDExEX+IVcegzYcbnApEgsYo67RSfk1/PQwbw84vYdNpw0tpy2kLEjkJfzIp86LASjVWwuawmDCxP3g1OoUfb/vYS7VgS5osDAS4dYXPnAmIQNG5i6GZ7N+URAxYhQ0DylCJU= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: hammerspace.com X-MS-Exchange-CrossTenant-Network-Message-Id: ac5b07d0-4512-4ea5-2595-08d6e4590626 X-MS-Exchange-CrossTenant-originalarrivaltime: 29 May 2019 17:13:52.4678 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 0d4fed5c-3a70-46fe-9430-ece41741f59e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: trondmy@hammerspace.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR13MB1113 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org T24gV2VkLCAyMDE5LTA1LTI5IGF0IDExOjEwIC0wNDAwLCBOaWNrIEJvd2xlciB3cm90ZToNCj4g SGksDQo+IA0KPiBJIHVwZ3JhZGVkIHRvIExpbnV4IDUuMS41IG9uIG9uZSBtYWNoaW5lIHllc3Rl cmRheSwgYW5kIHRoaXMgbW9ybmluZw0KPiBJDQo+IGhhcHBlbmVkIG5vdGljZWQgYSBsYXJnZSBh bW91bnQgb2YgYmFja3RyYWNlcyBpbiB0aGUgbG9nLiAgSXQgYXBwZWFycw0KPiB0aGF0IHRoZSBz eXN0ZW0gb29wc2VkIDYyIHRpbWVzIG92ZXIgYSBwZXJpb2Qgb2YgYWJvdXQgNSBtaW51dGVzLA0K PiBwcm9kdWNpbmcgYWJvdXQgaGFsZiBhIG1lZ2FieXRlIG9mIGxvZyBtZXNzYWdlcywgYWZ0ZXIg d2hpY2ggdGhlDQo+IG1lc3NhZ2VzIHN0b3BwZWQuICBObyBpZGVhIHdoYXQgYWN0aW9uIChpZiBh bnkpIHRyaWdnZXJlZCB0aGVzZS4NCj4gDQo+IEhvd2V2ZXIsIG90aGVyIHRoYW4gdGhlIG5vaXNl IGluIHRoZSBsb2dzIHRoZXJlIGlzIG5vdGhpbmcgb2J2aW91c2x5DQo+IGJyb2tlbiwgYnV0IEkg dGhvdWdodCBJIHNob3VsZCByZXBvcnQgdGhlIHNwZXdzIGFueXdheS4gIEkgd2FzDQo+IHJ1bm5p bmcNCj4gNS4wLjkgcHJldmlvdXNseSBhbmQgaGF2ZSBub3Qgc2VlbiBhbnkgc2ltaWxhciBlcnJv cnMuICBUaGUgZmlyc3QNCj4gY291cGxlDQo+IHNwZXdzIGFyZSBhcHBlbmRlZC4gIEFsbCA2NCBm YXVsdHMgbG9vayB2ZXJ5IHNpbWlsYXIgdG8gdGhlc2Ugb25lcywNCj4gd2l0aA0KPiB0aGUgc2Ft ZSBmYXVsdGluZyBhZGRyZXNzIGFuZCB0aGUgc2FtZSBycGNfY2hlY2tfdGltZW91dCBmdW5jdGlv biBhdA0KPiB0aGUNCj4gdG9wIG9mIHRoZSBiYWNrdHJhY2UuDQoNCk9LLCBJIHRoaW5rIHRoaXMg aXMgdGhlIHNhbWUgcHJvYmxlbSB0aGF0IE9sZ2Egd2FzIHNlZWluZyAoQ2NlZCksIGFuZA0KaXQg bG9va3MgbGlrZSBJIG1pc3NlZCB0aGUgdXNlLWFmdGVyLWZyZWUgaXNzdWUgd2hlbiB0aGUgc2Vy dmVyIHJldHVybnMNCmEgY3JlZGVudGlhbCBlcnJvciB3aGVuIHNoZSBhc2tlZC4NCg0KSSBiZWxp ZXZlIHRoYXQgdGhlIGZvbGxvd2luZyBwYXRjaCBzaG91bGQgZml4IGl0Og0KDQo4PC0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LQ0KRnJvbSAzMzkwNWY1YTdkMWQyMDBkYjhlZWIzZjRlYTg2NzBjOWRhNGNiNjRkIE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQ0KRnJvbTogVHJvbmQgTXlrbGVidXN0IDx0cm9uZC5teWtsZWJ1c3RA aGFtbWVyc3BhY2UuY29tPg0KRGF0ZTogV2VkLCAyOSBNYXkgMjAxOSAxMjo0OTo1MiAtMDQwMA0K U3ViamVjdDogW1BBVENIXSBTVU5SUEM6IEZpeCBhIHVzZSBhZnRlciBmcmVlIHdoZW4gYSBzZXJ2 ZXIgcmVqZWN0cyB0aGUNCiBSUENTRUNfR1NTIGNyZWRlbnRpYWwNCg0KVGhlIGFkZGl0aW9uIG9m IHJwY19jaGVja190aW1lb3V0KCkgdG8gY2FsbF9kZWNvZGUgY2F1c2VzIGFuIE9vcHMNCndoZW4g dGhlIFJQQ1NFQ19HU1MgY3JlZGVudGlhbCBpcyByZWplY3RlZC4NClRoZSByZWFzb24gaXMgdGhh dCBycGNfZGVjb2RlX2hlYWRlcigpIHdpbGwgY2FsbCB4cHJ0X3JlbGVhc2UoKSBpbg0Kb3JkZXIg dG8gZnJlZSB0YXNrLT50a19ycXN0cCwgd2hpY2ggaXMgbmVlZGVkIGJ5IHJwY19jaGVja190aW1l b3V0KCkNCnRvIGNoZWNrIHdoZXRoZXIgb3Igbm90IHdlIHNob3VsZCBleGl0IGR1ZSB0byBhIHNv ZnQgdGltZW91dC4NCg0KVGhlIGZpeCBpcyB0byBtb3ZlIHRoZSBjYWxsIHRvIHhwcnRfcmVsZWFz ZSgpIGludG8gY2FsbF9kZWNvZGUoKSBzbw0Kd2UgY2FuIHBlcmZvcm0gaXQgYWZ0ZXIgcnBjX2No ZWNrX3RpbWVvdXQoKS4NCg0KUmVwb3J0ZWQtYnk6IE9sZ2EgS29ybmlldnNrYWlhIDxvbGdhLmtv cm5pZXZza2FpYUBnbWFpbC5jb20+DQpSZXBvcnRlZC1ieTogTmljayBCb3dsZXIgPG5ib3dsZXJA ZHJhY29ueC5jYT4NCkZpeGVzOiBjZWE1Nzc4OWU0MDggKCJTVU5SUEM6IENsZWFuIHVwIikNCkNj OiBzdGFibGVAdmdlci5rZXJuZWwub3JnICMgdjUuMSsNClNpZ25lZC1vZmYtYnk6IFRyb25kIE15 a2xlYnVzdCA8dHJvbmQubXlrbGVidXN0QGhhbW1lcnNwYWNlLmNvbT4NCi0tLQ0KIG5ldC9zdW5y cGMvY2xudC5jIHwgMjggKysrKysrKysrKysrKystLS0tLS0tLS0tLS0tLQ0KIDEgZmlsZSBjaGFu Z2VkLCAxNCBpbnNlcnRpb25zKCspLCAxNCBkZWxldGlvbnMoLSkNCg0KZGlmZiAtLWdpdCBhL25l dC9zdW5ycGMvY2xudC5jIGIvbmV0L3N1bnJwYy9jbG50LmMNCmluZGV4IGQ2ZTU3ZGE1NmM5NC4u NGMwMmMzN2ZhNzc0IDEwMDY0NA0KLS0tIGEvbmV0L3N1bnJwYy9jbG50LmMNCisrKyBiL25ldC9z dW5ycGMvY2xudC5jDQpAQCAtMjQyNiwxNyArMjQyNiwyMSBAQCBjYWxsX2RlY29kZShzdHJ1Y3Qg cnBjX3Rhc2sgKnRhc2spDQogCQlyZXR1cm47DQogCWNhc2UgLUVBR0FJTjoNCiAJCXRhc2stPnRr X3N0YXR1cyA9IDA7DQotCQkvKiBOb3RlOiBycGNfZGVjb2RlX2hlYWRlcigpIG1heSBoYXZlIGZy ZWVkIHRoZSBSUEMgc2xvdCAqLw0KLQkJaWYgKHRhc2stPnRrX3Jxc3RwID09IHJlcSkgew0KLQkJ CXhkcl9mcmVlX2J2ZWMoJnJlcS0+cnFfcmN2X2J1Zik7DQotCQkJcmVxLT5ycV9yZXBseV9ieXRl c19yZWN2ZCA9IDA7DQotCQkJcmVxLT5ycV9yY3ZfYnVmLmxlbiA9IDA7DQotCQkJaWYgKHRhc2st PnRrX2NsaWVudC0+Y2xfZGlzY3J0cnkpDQotCQkJCXhwcnRfY29uZGl0aW9uYWxfZGlzY29ubmVj dChyZXEtPnJxX3hwcnQsDQotCQkJCQkJCSAgICByZXEtPnJxX2Nvbm5lY3RfY29va2llKTsNCi0J CX0NCisJCXhkcl9mcmVlX2J2ZWMoJnJlcS0+cnFfcmN2X2J1Zik7DQorCQlyZXEtPnJxX3JlcGx5 X2J5dGVzX3JlY3ZkID0gMDsNCisJCXJlcS0+cnFfcmN2X2J1Zi5sZW4gPSAwOw0KKwkJaWYgKHRh c2stPnRrX2NsaWVudC0+Y2xfZGlzY3J0cnkpDQorCQkJeHBydF9jb25kaXRpb25hbF9kaXNjb25u ZWN0KHJlcS0+cnFfeHBydCwNCisJCQkJCQkgICAgcmVxLT5ycV9jb25uZWN0X2Nvb2tpZSk7DQog CQl0YXNrLT50a19hY3Rpb24gPSBjYWxsX2VuY29kZTsNCiAJCXJwY19jaGVja190aW1lb3V0KHRh c2spOw0KKwkJYnJlYWs7DQorCWNhc2UgLUVLRVlSRUpFQ1RFRDoNCisJCXRhc2stPnRrX2FjdGlv biA9IGNhbGxfcmVzZXJ2ZTsNCisJCXJwY19jaGVja190aW1lb3V0KHRhc2spOw0KKwkJcnBjYXV0 aF9pbnZhbGNyZWQodGFzayk7DQorCQkvKiBFbnN1cmUgd2Ugb2J0YWluIGEgbmV3IFhJRCBpZiB3 ZSByZXRyeSEgKi8NCisJCXhwcnRfcmVsZWFzZSh0YXNrKTsNCiAJfQ0KIH0NCiANCkBAIC0yNTcy LDExICsyNTc2LDcgQEAgcnBjX2RlY29kZV9oZWFkZXIoc3RydWN0IHJwY190YXNrICp0YXNrLCBz dHJ1Y3QgeGRyX3N0cmVhbSAqeGRyKQ0KIAkJCWJyZWFrOw0KIAkJdGFzay0+dGtfY3JlZF9yZXRy eS0tOw0KIAkJdHJhY2VfcnBjX19zdGFsZV9jcmVkcyh0YXNrKTsNCi0JCXJwY2F1dGhfaW52YWxj cmVkKHRhc2spOw0KLQkJLyogRW5zdXJlIHdlIG9idGFpbiBhIG5ldyBYSUQhICovDQotCQl4cHJ0 X3JlbGVhc2UodGFzayk7DQotCQl0YXNrLT50a19hY3Rpb24gPSBjYWxsX3Jlc2VydmU7DQotCQly ZXR1cm4gLUVBR0FJTjsNCisJCXJldHVybiAtRUtFWVJFSkVDVEVEOw0KIAljYXNlIHJwY19hdXRo ZXJyX2JhZGNyZWQ6DQogCWNhc2UgcnBjX2F1dGhlcnJfYmFkdmVyZjoNCiAJCS8qIHBvc3NpYmx5 IGdhcmJsZWQgY3JlZC92ZXJmPyAqLw0KLS0gDQoyLjIxLjANCg0KLS0gDQpUcm9uZCBNeWtsZWJ1 c3QNCkxpbnV4IE5GUyBjbGllbnQgbWFpbnRhaW5lciwgSGFtbWVyc3BhY2UNCnRyb25kLm15a2xl YnVzdEBoYW1tZXJzcGFjZS5jb20NCg0KDQo=