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Wed, 16 Jul 2025 03:55:58 -0700 Date: Wed, 16 Jul 2025 12:55:55 +0200 From: Dariusz Sosnowski To: Khadem Ullah <14pwcse1224@uetpeshawar.edu.pk> CC: , , , , , , Subject: Re: [PATCH] net/mlx5: fix crash when using meter in transfer flow Message-ID: <20250716105555.chrm654eqw4yrgw6@ds-vm-debian.local> References: <20250715175102.ovlhlrhyjzcokexs@ds-vm-debian.local> <20250716072410.3534146-1-14pwcse1224@uetpeshawar.edu.pk> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20250716072410.3534146-1-14pwcse1224@uetpeshawar.edu.pk> X-Originating-IP: [10.126.230.35] X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000066ED:EE_|BY5PR12MB4180:EE_ X-MS-Office365-Filtering-Correlation-Id: 157ada78-8da9-4e58-d66c-08ddc45766b7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge1.nvidia.com; CAT:NONE; SFS:(13230040)(1800799024)(36860700013)(82310400026)(376014); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jul 2025 10:56:21.9406 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 157ada78-8da9-4e58-d66c-08ddc45766b7 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000066ED.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4180 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Wed, Jul 16, 2025 at 03:23:19AM -0400, Khadem Ullah wrote: > Hi Dariusz, > > Yes, you are right — I believe this has been fixed since DPDK v24.11 by the commit you mentioned: > https://github.com/DPDK/dpdk/commit/c30b356a4d48542fe99c47aa470afc8cd1ced9f5 > > Previously, this appeared to be an edge case where a segfault was triggered when a transfer rule was created (even when not using switchdev). But as confirmed, recent versions (v24.11.2 and newer) now correctly return ENOTSUP or a validation error instead of crashing. > > I understand that transfer rules are only valid in switchdev mode, and that using them outside that context is unsupported. I encountered the segfault when testing this specific combination, but it seems the issue has been properly addressed now in the latest versions. > > Thanks for confirming! > > Best regards, > Khadem Ullah No problem, happy to help. Best regards, Dariusz Sosnowski