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Mon, 9 Dec 2024 01:27:37 +0000 Received: from PNZPR01MB4528.INDPRD01.PROD.OUTLOOK.COM ([fe80::cfb6:8c54:4902:b1a4]) by PNZPR01MB4528.INDPRD01.PROD.OUTLOOK.COM ([fe80::cfb6:8c54:4902:b1a4%4]) with mapi id 15.20.8230.010; Mon, 9 Dec 2024 01:27:37 +0000 Message-ID: Date: Mon, 9 Dec 2024 09:27:33 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [bug report] WARNING when nvme_probe To: Keith Busch Cc: axboe@kernel.dk, hch@lst.de, sagi@grimberg.me, linux-nvme@lists.infradead.org, Linux Kernel Mailing List , akpm@linux-foundation.org, linux-mm@kvack.org, fengchun.li@sophgo.com, Inochi Amaoto References: From: Chen Wang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: SG2PR01CA0160.apcprd01.prod.exchangelabs.com (2603:1096:4:28::16) To PNZPR01MB4528.INDPRD01.PROD.OUTLOOK.COM (2603:1096:c01:33::20) X-Microsoft-Original-Message-ID: <3c9dbdaf-6eb2-4fd9-816d-a376f79e2031@outlook.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PNZPR01MB4528:EE_|PN2PR01MB10335:EE_ X-MS-Office365-Filtering-Correlation-Id: 2b3f4d79-77dc-459c-d637-08dd17f0a9c4 X-Microsoft-Antispam: BCL:0;ARA:14566002|8060799006|7092599003|461199028|15080799006|6090799003|19110799003|5072599009|1602099012|10035399004|440099028|3412199025|4302099013; 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Thanks, Chen On 2024/12/8 10:56, Keith Busch wrote: > On Sat, Dec 07, 2024 at 12:26:14PM +0800, Chen Wang wrote: >> On 2024/12/7 12:22, Chen Wang wrote: >>> When I test with latest 6.13-rc1, I see kernel complains as below, but I >>> don't see this in 6.12 serials (6.12-rc1 & 6.12-rc7). >>> >>> I'm developing PCIe driver and there is a RC switch which has some >>> devices conneted to, including a  nvme device. > Thanks for the report. Should be fixed now with this commit: > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ad0cf42e1fc4810170a8e8e232e85d69073e4d25