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emacs 30.2 From: Petr Machata To: Jakub Kicinski CC: , , , , , , , , , , Subject: Re: [PATCH net-next 3/3] selftests: net: py: add cmd info for ksft_wait failure Date: Tue, 24 Feb 2026 14:05:04 +0100 In-Reply-To: <20260223202633.4126087-4-kuba@kernel.org> Message-ID: <87bjhegu51.fsf@nvidia.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain 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: CO1PEPF00012E62:EE_|DM4PR12MB7502:EE_ X-MS-Office365-Filtering-Correlation-Id: 18d0f807-0f64-43d2-b6bc-08de73a6d63e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|7416014|376014|82310400026|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?8Yrw1JXiQB0MzHXot3cFwh8TzOLui+rs533HjI0297fIdX1m1pUCJzw5flwd?= =?us-ascii?Q?tPZhc+4QisvUo+nbUe+AWD36EcKpx3Xx8ZzJ3pFALKjByiSsLUpGnpwUzGks?= =?us-ascii?Q?dJSA+LbVAPdHoQJ7+md6UwwTJXidu/hPoxZqBAlYBn8T0aIw9hRiNeC51yKT?= =?us-ascii?Q?dYOQRvv7OeDq1rp6fGDm13ueXTM8yORaEPNrQoJ7No26OI8p3HNXTNUVF62T?= =?us-ascii?Q?gJKZCQNxIp8zqlLS0yO/dejC3P3dK0TVpvDczqjWCQgcdpSkV3h3sGWV4Kel?= =?us-ascii?Q?qbRDXiu2YrH7l4+7JjCtJ3jTts6NxTe19WMlI9OWPZQzQf5r81MIJrnHNtnd?= =?us-ascii?Q?gt0iiTZUJswaM/koBE9YajoBPMidmPEm8pjzLXu6ZFIR/G7cC/VcLtemweS1?= =?us-ascii?Q?wdGHTkgSvvWfA3VbLcxDV15427ICTpMhR4/GaiqXgtZHk6QOUFMJ8fpJ/CsX?= =?us-ascii?Q?i4ppeUwBkw3E7xemT2I2OozI6+qCADszLpM9s5hNWEi9yhMv8Q4mdlfb0bWV?= =?us-ascii?Q?MtXkPx7u+wWxiuMttcjdl5EgZAqdsjMl0P2NdL3a1984LGGJs3QcoaDiKF3s?= =?us-ascii?Q?NZoE3OX7zUK0XW/URDTFhOroDRPMpDaCrBDWCYv9D2xJzEZEHMUVpuAvzKgg?= =?us-ascii?Q?c+Np/yR7F7VNCtv1svkIdKcAwF1Vq2EtbkC84fhIZ1xa6/dvrGEs3HUKFtkC?= =?us-ascii?Q?QsUyekwoHivZZRyGDMeu/ZEss5oKqtt3m1+aNBQ5ZI4Q3xoTxSSjLne2a7pt?= =?us-ascii?Q?A5aU/a1IYhO8965/0pVNiV+Y1HZJP+TNNUQWIgFu4e+Y5Be/luhYG9V9ZAIZ?= =?us-ascii?Q?qCzhmDXNBEiYvq/d2xpVg+kbWRfBo0igVwcLEK2xws4/sozZsSg8nI14ps0T?= =?us-ascii?Q?jjq4kjLDH5AkXgGA39qzPvz5UZ4yXSIsdJ9/OXepR/xisLTKJE9dULt+N+Sk?= =?us-ascii?Q?ASoN+XGqqWBIQIJqsiU7naLeR2OgbJzm/8DNAwClZGakwCPXyJoTPQdf+5Vz?= =?us-ascii?Q?YsRzUOLKl4DB7yS4VxfO8AxVVPLhiwo8trF3J/x+XgYU4ulj8zGGQ19pR2Fy?= =?us-ascii?Q?VQOWrAXUBJ58C4UgppXmt3LQ+4UgCLhcKiL0x3932ur9B+8uSQokmMo+P8K+?= =?us-ascii?Q?p4NioMyaSwA50T15Odjo4aM/PhZ0gPdqaxaT8ggA+J50ky7Uk/OS3w6rOu2e?= =?us-ascii?Q?QSw6yX+7TRx2jAOPzt6yWxFWKwtDv4m7HALsL9thDCoAS3q301sfMzMQjsB1?= =?us-ascii?Q?kx5XXXfWmtmauKiogY3DS2dSi/JQD6EgqJurwkMgo8qR/3zB2hPzd4WcKWso?= =?us-ascii?Q?inG46lfCyMU3XfRqRfqkzodAhAzL6GHQ86Ar3GJMS3e70TQ7mBSKVJjdkaG4?= =?us-ascii?Q?rAiZuPcmq3SOPrAthLfDxe/ilZQZxTYLKxcdGFm1zOfG6PY2CIIsDmdUGgbo?= =?us-ascii?Q?uOABrcOBz6fop1Sy3VVOzEmsxSJ560SmCAzUWiUe+HeW52Yna2P8hStoCs8z?= =?us-ascii?Q?RwV9FkuFEsHttx1AUcv5CaOcqvuphxsAYVRLd0S59xyNMiW+NCTz5sKblycw?= =?us-ascii?Q?7uxx4J3McotZHzehZkstt/8BkEBk/J0Nb8qqLQUUvuoaF9CuSvpThZ2TfEiV?= =?us-ascii?Q?TOnRDdD96jGkDXOWLKSLSjICNEKWP45Yu9E1uqUcPjNbxdkLHWTRgFj/qzsa?= =?us-ascii?Q?vHZVDQ=3D=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(36860700013)(7416014)(376014)(82310400026)(1800799024);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: yiSsmCrTz2tPNnHQbsOmpjuTZImpDSRhbXf2/SLb9G5pG69BK5JyZsvncvzOhp28ssrr6SIgE+K5EkAgbb3Kz3gq05o5DBXMlitBTPKHsAelalZgz5FEj9+v/4OinAB3zjaZmHzWYjA8TbxAXOctFs3KS46WhLka7dXX+Uv0xH4YoVDf6tAox7eukLp7TMawR95b1FILNnzqQY/19sShf4zK7Tpo/uIN+/5+IepW7ugrp2HpIB2Cp4dKSI1hHLL+QS0uUV5KwDW9TMkY4pA+IIRkkgj21oPQcZjs9026Jy1vRXOGKfALk2MrCZOzLKxF1/XQELRiaXWSnFAxfcIay+Mpife0Jsl5poR2AIbdWz2qi5kZtt67Nb7avihXag5/+kF03uqh4nAGdom2qqvge3eIIW57ChO3FVr7hFc5HAWcpvX5OWEJ/72dEhFqw9vk X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Feb 2026 13:15:52.8374 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 18d0f807-0f64-43d2-b6bc-08de73a6d63e X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF00012E62.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB7502 Jakub Kicinski writes: > Gal recently complained: > > When [ksft_wait failure] happens, the test fails with a cryptic > message: > # Exception| Exception: Did not receive ready message > > Let's try to include the stdout/stderr of the command we tried > to start. E.g. for cmd("false", ksft_wait=True): > > # Exception| lib.py.utils.CmdInitFailure: Did not receive ready message > # Exception| CMD: false > # Exception| EXIT: 1 > > We need to factor out _process_terminate() otherwise the exit > path may try to write to already disconnected self.ksft_term_fd. > > Signed-off-by: Jakub Kicinski Reviewed-by: Petr Machata