This is caused by ongoing upgrade of the queue, opening for tracking failures caused by disconnected device. We can close this when the ugprade is finished. cc: @kotlarmilos

Build

https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1224835

Build leg reported

iOS.Device.Aot.Test.WorkItemExecution

Pull Request

dotnet/runtime#115335

Known issue core information

Fill out the known issue JSON section by following the step by step documentation on how to create a known issue

 {
    "ErrorMessage": [
        "osx.13.amd64.iphone.open",
        "Failed to find a suitable device for target ios-device",
        "XHarness exit code: 81 (DEVICE_NOT_FOUND)"
    ],
    "BuildRetry": false,
    "ErrorPattern": "",
    "ExcludeConsoleLog": false
 }

@dotnet/dnceng

Release Note Category

• Feature changes/additions
• Bug fixes
• Internal Infrastructure Improvements

Release Note Description

Additional information about the issue reported

No response

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1224835
Error message validated: [osx.13.amd64.iphone.open Failed to find a suitable device for target ios-device XHarness exit code: 81 (DEVICE_NOT_FOUND)]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 12/9/2025 1:17:54 PM UTC

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Summary