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Mon, 13 Jul 2020 09:03:46 +0000 Subject: Re: [5.8RC4][bugreport]WARNING: CPU: 28 PID: 211236 at fs/fuse/file.c:1684 tree_insert+0xaf/0xc0 [fuse] To: Mikhail Gavrilov , linux-fsdevel@vger.kernel.org, Linux List Kernel Mailing , mszeredi@redhat.com References: From: Vasily Averin Message-ID: <30a611e6-f445-494e-dab9-d7a5c17c9889@virtuozzo.com> Date: Mon, 13 Jul 2020 12:03:45 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-ClientProxiedBy: AM0PR05CA0086.eurprd05.prod.outlook.com (2603:10a6:208:136::26) To AM0PR08MB5140.eurprd08.prod.outlook.com (2603:10a6:208:162::17) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [172.16.24.21] (185.231.240.5) by AM0PR05CA0086.eurprd05.prod.outlook.com (2603:10a6:208:136::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3174.21 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: UqpuW61leJ9WmBNDxemiSYDm7tcEbmnEX7gcHFVNGtI0xLmTgjIDnaGBIHu/n9Wx501FTbJbUE6g2un3T/WBXJDIeL+GzKsXGiBB5B1yStt5HWpIF3KluuqENZ37KpwwIEn4P3huJKoa5f8wcKtWfdR/D9S328XebMG4uuMgpfEdNabPsI21sgt681PrEfnZl8/6N8N/bIdlLE0l5j85JZo0PzeWFUX+BB3cSOduQQqyRyyJH4z+VnEnp/obmKhtnG2bui+HfSt/LacK8KmPP+Y379dp100Wj1OAHCnjtaHPxWQG2sluGnDhLyHjcYgs3+hOa52e23GdJXS6DCe4zK/zAh64HN4KbJ/EbSvjiQeVQMSXph4xa2fl97w9iEMIh+er56wNzIE0iSeBSrpI0O9P0huA7lYHtnsZXQQ1o9yNSqhXffhW+JTLEfGHR+srZIqhi2FQ+ZY4AY0GJj3SJ5N165TfnyT3v3GktTlpdRs= X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-Network-Message-Id: cdf73866-ec1f-42c2-d88f-08d8270ba6a1 X-MS-Exchange-CrossTenant-AuthSource: AM0PR08MB5140.eurprd08.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Jul 2020 09:03:46.8352 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 0bc7f26d-0264-416e-a6fc-8352af79c58f X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 7Is1CIzUx5WJ7zHurkCYcAbnH63zTvvGC2CLKLyY6Q3e+ibZGxRosixihIKNdN+hMIh3Pd+1LHx9MDn1fRWaig== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB5026 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 7/13/20 11:02 AM, Mikhail Gavrilov wrote: > On Mon, 13 Jul 2020 at 12:11, Mikhail Gavrilov > wrote: >> >> On Mon, 13 Jul 2020 at 03:28, Mikhail Gavrilov >> wrote: >>> >>> Hi folks. >>> While testing 5.8 RCs I founded that kernel log flooded by the message >>> "WARNING: CPU: 28 PID: 211236 at fs/fuse/file.c:1684 tree >>> insert+0xaf/0xc0 [fuse]" when I start podman container. >>> In kernel 5.7 not has such a problem. >> >> Maxim, I suppose you leave `WARN_ON(!wpa->ia.ap.num_pages);` for debug purpose? >> Now this line is often called when I start the container. >> > > That odd, but I can't send an email to the author of the commit. > mpatlasov wasn't found at virtuozzo.com. Reported problem is not fixed yet in 5.8-rc kernels Please take look at https://lkml.org/lkml/2020/7/13/265 Thank you, Vasily Averin