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emacs 30.2 From: Petr Machata To: Ido Schimmel CC: , , , , , , , Subject: Re: [PATCH net] selftests: vlan_bridge_binding: Fix flaky operational state check Date: Wed, 17 Jun 2026 13:46:43 +0200 In-Reply-To: <20260617104323.1069457-1-idosch@nvidia.com> Message-ID: <875x3hie2e.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: rnnvmail203.nvidia.com (10.129.68.9) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF000397B3:EE_|PH7PR12MB6586:EE_ X-MS-Office365-Filtering-Correlation-Id: 4de7c5ee-40ab-4914-1709-08decc66401f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|23010399003|1800799024|36860700016|13003099007|18002099003|22082099003|11063799006|56012099006|6133799003; X-Microsoft-Antispam-Message-Info: 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 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)(82310400026)(376014)(23010399003)(1800799024)(36860700016)(13003099007)(18002099003)(22082099003)(11063799006)(56012099006)(6133799003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: CsswfdoFKtlwTBYFTa0vEaVQFn0krHOMC8gGAgK0agrNWloTCIGeSA9MMswsqVo5Q7T6d7yT3yVrMw8jy+J/A8XxPDC+Xjg0gOfgzead53RsHYmI4dENW2slbuPzxgkCAqJq2jMOFb4qmScOlhiMyd4jxU8YvseiLw1/uFL6KNxI86bNdth+DxUPZLXJBBX3Hl8C5A8VzNBceUKZAQ9+/5uqJDaaIKT4r8NdsI8FGShdjKdu/yGRWFgJpWydoxSM91WpBPYsnwuHuC61xretVlIw0qkGEQi2hMwIMSw5WC/QcvDL32SfdeOrx/o9dODqt+WTRqfX7lB1GUMTdS/oYQhwZojeU1z15W+C8WPCnHr+wBFY+KfIbcEe1oW0t/zi+aVOHnjHwlbUwl0hTocco4wsOd+ULcwAVMvIxuN99g6kpGYvsmoWU5K484CxbdRo X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jun 2026 11:47:46.6214 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4de7c5ee-40ab-4914-1709-08decc66401f 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: SN1PEPF000397B3.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6586 Ido Schimmel writes: > check_operstate() busy waits for up to one second for the operational > state to change to the expected state. This is not enough since carrier > loss events can be delayed by the kernel for up to one second (see > __linkwatch_run_queue()), leading to sporadic failures. > > Fix by increasing the busy wait period to two seconds. > > Fixes: dca12e9ab760 ("selftests: net: Add a VLAN bridge binding selftest") > Reported-by: Jakub Kicinski > Closes: https://lore.kernel.org/netdev/20260616092733.3a31be4d@kernel.org/ > Signed-off-by: Ido Schimmel Reviewed-by: Petr Machata