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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CH3PR12MB8460.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 249a4a87-eb4a-40e1-89e3-08dd5641c197 X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Feb 2025 08:44:17.7229 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: lKFoPXAYIf9hZBQs7M157/cuOkmLLI9fXseLkwl4VHsb1MOY4wj1peOy+MTo4W7ThZqgGepJwZScnkYTAq+86A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB7565 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 > -----Original Message----- > From: Gregory Etelson > Sent: Sunday, February 9, 2025 2:48 PM > To: dev@dpdk.org > Cc: Gregory Etelson ; Maayan Kashani > ; Raslan Darawsheh ; Itamar > Gozlan > Subject: [PATCH] net/mlx5/hws: change error flow on matcher disconnect >=20 > External email: Use caution opening links or attachments >=20 >=20 > From: Itamar Gozlan >=20 > Currently, when a firmware (FW) failure occurs during matcher error flow,= the > system attempts to reconnect the matcher, leading to a segmentation fault= . This > happens because the matcher is freed but remains in the list. >=20 > Example scenario: > Given matchers M1->M2->M3, if a FW failure occurs: > 1. System tries to destroy M1 and fails > 2. M1 remains in the list but is freed > 3. When destroying M2, it attempts to remove itself and create M1->M3 4. = This > results in a segmentation fault as M1 is already freed >=20 > Signed-off-by: Itamar Gozlan Acked-by: Dariusz Sosnowski Best regards, Dariusz Sosnowski