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Tue, 3 Dec 2024 04:54:13 +0000 Message-ID: Date: Mon, 2 Dec 2024 20:54:11 -0800 User-Agent: Mozilla Thunderbird Subject: Re: resctrl mount fail on v6.13-rc1 To: "Luck, Tony" , Ming Lei CC: Fenghua Yu , Peter Newman , Babu Moger , References: <868b451a-fdba-4b45-bff1-9ac1023080c8@intel.com> Content-Language: en-US From: Reinette Chatre In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MW4PR04CA0241.namprd04.prod.outlook.com (2603:10b6:303:88::6) To SJ2PR11MB7573.namprd11.prod.outlook.com (2603:10b6:a03:4d2::10) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ2PR11MB7573:EE_|SA2PR11MB5129:EE_ X-MS-Office365-Filtering-Correlation-Id: 54bf4c44-6fce-49b5-1685-08dd13568831 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|366016|1800799024|7053199007; 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Or the way resctrl uses kernfs? >> >> I am not seeing this but that may be because I am not testing with >> selinux enabled. My test kernel has: >> # CONFIG_SECURITY_SELINUX is not set >> >> I am also not running with any btrfs filesystems. >> >> Is this your usual setup in which you are seeing this the first time? Is it >> perhaps possible for you to bisect? > > Bisection says: > > $ git bisect bad > f1be1788a32e8fa63416ad4518bbd1a85a825c9d is the first bad commit > commit f1be1788a32e8fa63416ad4518bbd1a85a825c9d > Author: Ming Lei > Date: Fri Oct 25 08:37:20 2024 +0800 > > block: model freeze & enter queue as lock for supporting lockdep > Thank you very much Tony. Since you did not respond to the question about bisect I assumed that you would not do it. I ended up duplicating the bisect effort after getting an environment in which I can reproduce the issue. Doing so I am able to confirm the commit pointed to by bisect. The commit cannot be reverted cleanly so I could not test v6.13-rc1 with it reverted. Ming Lei: I'd be happy to help with testing if you do not have hardware with which you can reproduce the issue. Reinette