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Tue, 25 Feb 2020 00:56:27 +0000 From: Johannes Thumshirn To: "dsterba@suse.cz" CC: "linux-btrfs @ vger . kernel . org" Subject: Re: [PATCH v2 0/5] Fix memory leak on failed cache-writes Thread-Topic: [PATCH v2 0/5] Fix memory leak on failed cache-writes Thread-Index: AQHV4oZpxF/89/7YtUyR/3LulYl7tQ== Date: Tue, 25 Feb 2020 00:56:27 +0000 Message-ID: References: <20200213155803.14799-1-johannes.thumshirn@wdc.com> <20200218165026.GS2902@twin.jikos.cz> <20200224174934.GB2902@twin.jikos.cz> 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=Johannes.Thumshirn@wdc.com; x-originating-ip: [199.255.45.4] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 9e76f40f-93e3-4478-24d5-08d7b98d8b4a x-ms-traffictypediagnostic: SN4PR0401MB3535: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:1468; x-forefront-prvs: 0324C2C0E2 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(4636009)(346002)(39860400002)(136003)(376002)(396003)(366004)(199004)(189003)(81166006)(5660300002)(53546011)(71200400001)(4744005)(81156014)(316002)(4326008)(2906002)(6506007)(478600001)(66446008)(66946007)(52536014)(7696005)(6916009)(64756008)(55016002)(33656002)(26005)(66476007)(8936002)(186003)(91956017)(8676002)(9686003)(66556008)(86362001)(76116006);DIR:OUT;SFP:1102;SCL:1;SRVR:SN4PR0401MB3535;H:SN4PR0401MB3598.namprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: dtNDSGv0/umkqR2xRsNN2/sx22SuRRT6nWSrDp1S0r/UczszrJ+p6Bju72tRVLDegFQaHTYJZD6/ucsHVTCdCwy3HLW71Qqry9KXowe7yiEzkY3Ccz07rw1bm1SZIsdWlx+dITFqJG5PkXWgLpX4CNRo0k7vTXn17S4K8aNzdEYWIE2NefT2SMAzzsx9vD9Uwp/JKKwUdYjRn7LNGOHur3r0C4oR8WOzqxzYiGRmMmxTWtTS20DQ10aJ1B4d2pFJmsY3UbtZZYZOsQl174Mie8KmKm5NEMpwteINg3JwvBEyu7fe7WI38f+Q5wtBhldFEvdOTZGfS3gXwEBJB5oo3ApM3FggkQd8Rj277Nor62B4BLDzIwJ4mmNJY1IwlGHQTFSfdN6WAX8OpAJGBTerhdksFHcGqJvrbb6qYtScZ6SmKPJSdGoiOgGeB0MWb28H x-ms-exchange-antispam-messagedata: T+IjyZOvl4Q65eoI0x5ueQBjeucyjYNLoigonMS/YTBJ118Wv6ogsm8XW5fhagakjWi9r3D9BnGPTtMK8O/Tf7GAUhSEDYwOqeulbUk660rQSeIbd4WHyy3FDxrx/OZo2WCg+TsBZo2+Zkf5KovJ3Q== x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9e76f40f-93e3-4478-24d5-08d7b98d8b4a X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Feb 2020 00:56:27.3954 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: iw2CyOU3duiujGCZrtiJ81eqO1LoisU9WBAredEsOrsdz5tyF8rGxkZjM9BFRHruutFf7WdEXf3Frd34NDKxAKLnq1vdZmfD5Rk0HO7Qx5k= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN4PR0401MB3535 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 24/02/2020 16:23, Johannes Thumshirn wrote:=0A= [...]=0A= > OK it need some time (up to approx 150 runs of btrfs/125) to resproduce= =0A= > this failure but I can re-create it.=0A= > =0A= > I've seen it once without the patchset applied as well though (a.k.a=0A= > HEAD =3D=3D 480be04e7fdcddfed86fd59bb668a134b6d7393e).=0A= > =0A= > I have to verify that though not that I'm seeing ghosts.=0A= > =0A= =0A= OK, so I've hit it again with the above commit as HEAD, so I don't think = =0A= these patches participate in the error.=0A= =0A= I'll try to figure out which patch does though.=0A= =0A= Byte,=0A= Johannes=0A=