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Thread-Topic: isolate_lru_pages(): kernel BUG at mm/vmscan.c:1689! Thread-Index: AdUAdyzy8F3SUITdRv6SToKOnShIegAbxvIAAAs/qiA= Date: Thu, 2 May 2019 18:24:33 +0000 Message-ID: References: <20190502125514.GB29835@dhcp22.suse.cz> In-Reply-To: <20190502125514.GB29835@dhcp22.suse.cz> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=True; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Owner=decui@microsoft.com; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2019-05-02T18:24:30.0210155Z; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Name=General; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Application=Microsoft Azure Information Protection; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ActionId=f9be8985-b867-4956-a842-152705123cef; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Extended_MSFT_Method=Automatic authentication-results: spf=none (sender IP is ) smtp.mailfrom=decui@microsoft.com; x-originating-ip: [2001:4898:80e8:1:95ff:69b:baac:db8f] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 1b61ad2d-494a-4f61-ee97-08d6cf2b6d01 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600141)(711020)(4605104)(4618075)(2017052603328)(7193020);SRVR:PU1P153MB0123; x-ms-traffictypediagnostic: PU1P153MB0123: x-ld-processed: 72f988bf-86f1-41af-91ab-2d7cd011db47,ExtAddr x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; x-forefront-prvs: 0025434D2D x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(136003)(39860400002)(396003)(346002)(366004)(376002)(189003)(199004)(446003)(305945005)(25786009)(6246003)(7696005)(229853002)(71200400001)(71190400001)(256004)(76176011)(55016002)(2906002)(86612001)(11346002)(46003)(9686003)(86362001)(5660300002)(99286004)(316002)(74316002)(54906003)(7736002)(478600001)(476003)(22452003)(4744005)(6916009)(486006)(186003)(6436002)(4326008)(10090500001)(8936002)(8990500004)(68736007)(14454004)(7416002)(73956011)(81156014)(33656002)(76116006)(53936002)(6116002)(66946007)(66556008)(66476007)(66446008)(102836004)(64756008)(10290500003)(8676002)(52536014)(6506007)(81166006);DIR:OUT;SFP:1102;SCL:1;SRVR:PU1P153MB0123;H:PU1P153MB0169.APCP153.PROD.OUTLOOK.COM;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:3; received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: A1OCSBsR6tlUbaktEednYVvvuRZKv5EU/WJoDMuY7ffrqRwA4Rm6TfpuPe/5RGLp09p+nKalPhrLX9qIOVKuKC5SBHZuHAIHnIFUi4tnnrO7HyJLcctIfso5yx3yej/oJ/TLbjZ9OYps5iLvFoyksYStnjW3qxO5GoKvyoYxbvnbZTowyZTiN2zKliu1lkgN3N4Gut2lIJdumFtzXjSgzF013GkKi3EKIg+pRFUB6RwhA8ed4J0R1tOeF1BKGahdSIZilhT/z7YnvxCU5rJNREquQn+EGPp83RKDaNqU3A/4BaYDG59EBOa/d4KCeO2GoOyvc0x4IPK0c+sPjsZMH+xJbGLQ2zuK9mHQnoghaQOEQ7aN4Bft8l7aEvRmSszQqapzzITncUMiBUu9ZsTbwplQl53mwSzlecXne3Owy6o= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1b61ad2d-494a-4f61-ee97-08d6cf2b6d01 X-MS-Exchange-CrossTenant-originalarrivaltime: 02 May 2019 18:24:33.5032 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: PU1P153MB0123 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > From: Michal Hocko > Sent: Thursday, May 2, 2019 5:55 AM > > ... > > So far I only hit the BUG once and I don't know how to reproduce it aga= in, so > this is just a FYI. >=20 > ... > Do you think it would be possible to setup a crash dump > or apply the following debugging patch in case it reproduces? > Michal Hocko Now I applied the "dump_page(page);" and let's see if I'll hit the BUG agai= n. BTW, I'm developing some code to support hibernation for Linux VM running on Hyper-V. I don't think my own change causes the BUG, as my change does n= ot touch the mm system or any file system code at all. Thanks, -- Dexuan