dotnet / dotnet/runtime

XHarness device enumeration failure for tvos-device (exit code 71 GENERAL_FAILURE)

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#125,371 4 comments 0 reactions 1 assignee Claimed by @kotlarmilos View on GitHub
arch-arm64 area-Infrastructure-mono Known Build Error os-tvos
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Description

**Suggested labels:** `Known Build Error`, `test-failure`, `os-tvos`, `arch-arm64`, `untriaged`

> **_Note:_** This issue was automatically generated by AI-Test-Triage. Please review and triage accordingly.

## Build Information
Build: [20260304.3](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1321402), [20260305.1](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1323011), [20260306.2](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1324809), [20260307.2](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1325417)

Build error leg or test failing: Regression_3.WorkItemExecution, Microsoft.Extensions.Configuration.CommandLine.Tests.WorkItemExecution, Microsoft.Extensions.Configuration.EnvironmentVariables.Tests.WorkItemExecution, System.ComponentModel.Primitives.Tests.WorkItemExecution, System.IO.Compression.ZipFile.Tests.WorkItemExecution, System.ComponentModel.Tests.WorkItemExecution, System.Threading.Thread.Tests.WorkItemExecution, Microsoft.Extensions.FileSystemGlobbing.Tests.WorkItemExecution, System.Runtime.InvariantTimezone.Tests.WorkItemExecution, System.Xml.Linq.xNodeBuilder.Tests.WorkItemExecution, System.Xml.Schema.Extensions.Tests.WorkItemExecution, System.Threading.Tasks.Dataflow.Tests.WorkItemExecution, Directed_2.WorkItemExecution, Microsoft.Extensions.Configuration.FileExtensions.Tests.WorkItemExecution, Microsoft.Extensions.Logging.Console.Tests.WorkItemExecution, System.Net.Http.Json.Functional.Tests.WorkItemExecution, Microsoft.Extensions.Hosting.Abstractions.Tests.WorkItemExecution, System.Private.Xml.Tests.WorkItemExecution, System.Runtime.CompilerServices.VisualC.Tests.WorkItemExecution, Regression_9.WorkItemExecution, Regression_NoOptimize_d.WorkItemExecution, Regressions.WorkItemExecution, baseservices-exceptions.WorkItemExecution, System.Collections.NonGeneric.Tests.WorkItemExecution, System.Xml.Linq.xNodeReader.Tests.WorkItemExecution, async.WorkItemExecution

Affected CI jobs: build_tvos_arm64_Release_AllSubsets_Mono_RuntimeTests, build_tvOS_arm64_Release_AllSubsets_Mono, build_tvos_arm64_Release_AllSubsets_CoreCLR, build_tvos_arm64_Release_AllSubsets_CoreCLR_RuntimeTests

### Causing Commit Range Information
Commit range: {TODO: Insert commit range or link to changes}

## Summary

- XHarness aborted during device enumeration: System.Exception 'Failed to list devices' caused test run to fail
- Exit code 71 (GENERAL_FAILURE) returned by XHarness while targeting tvos-device
- Job: build_tvos_arm64_Release_AllSubsets_Mono_RuntimeTests invoked XHarness apple test for tvos-device
- Stack trace implicates HardwareDeviceLoader.LoadDevices in Microsoft.DotNet.XHarness.iOS.Shared
- No test result files produced; uploads/xunit-*.xml not found

## Failure Statistics
> _Note: These statistics are based on the configured time range and might not reflect the full history of the failure._

- **Occurrence Count**: 27
- **First Failure**: 2026-03-05 07:59:42 UTC
- **Last Failure**: 2026-03-08 07:02:51 UTC

## Work Items

_Showing 10 most recent of 27 occurrences_

| Work Item | Console Log | Build | Job Name |
|-----------|-------------|-------|----------|
| Microsoft.Extensions.Hosting.Abstractions.Tests Work Item | View Extract

XHarness command issued: apple test --app /tmp/helix/working/B2690A15/w/B7D109F3/e/Microsoft.Extensions.Hosting.Abstractions.Tests.app --output-directory /tmp/helix/working/B2690A15/w/B7D109F3/uploads --target tvos-device --timeout 01:15:00 --xcode /Applications/Xcode_26.0.1.app -v --launch-timeout 00:05:00 --signal-app-end --set-env=DOTNET_CI=true --
[23:59:21] info: Preparing run for tvos-device
[23:59:21] info: Looking for available tvos-device devices..
[23:59:21] dbug: Looking for available tvos-device devices. Storing logs into list-tvos-device-20260306_235921.log
[00:01:28] crit: System.Exception: Failed to list devices.
                    at Microsoft.DotNet.XHarness.iOS.Shared.Hardware.HardwareDeviceLoader.LoadDevices(ILog log, Boolean includeLocked, Boolean forceRefresh, Boolean listExtraData, Boolean includeWirelessDevices, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.iOS.Shared/Hardware/HardwareDeviceLoader.cs:line 104
                    at Microsoft.DotNet.XHarness.Apple.DeviceFinder.FindDevice(TestTargetOs target, String deviceName, ILog log, Boolean includeWirelessDevices, Boolean pairedDevicesOnly, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/DeviceFinder.cs:line 74
                    at Microsoft.DotNet.XHarness.Apple.BaseOrchestrator.OrchestrateOperationInternal(TestTargetOs target, String deviceName, Boolean includeWirelessDevices, Boolean resetSimulator, Boolean enableLldb, GetAppBundleInfoFunc getAppBundle, ExecuteMacCatalystAppFunc executeMacCatalystApp, ExecuteAppFunc executeApp, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/Orchestration/BaseOrchestrator.cs:line 215
XHarness exit code: 71 (GENERAL_FAILURE)
ls: /tmp/helix/working/B2690A15/w/B7D109F3/uploads/xunit-*.xml: No such file or directory
[Full Log](https://helix.dot.net/api/jobs/16f657f2-cd7c-406d-8f6f-72edef80bbc4/workitems/Microsoft.Extensions.Hosting.Abstractions.Tests/files/console.a10d209e.log?api-version=2019-06-17) | [20260306.2](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1324809) | build_tvOS_arm64_Release_AllSubsets_Mono |
| System.Private.Xml.Tests Work Item | View Extract
XHarness command issued: apple test --app /tmp/helix/working/B2690A15/w/C9DA0AD0/e/System.Private.Xml.Tests.app --output-directory /tmp/helix/working/B2690A15/w/C9DA0AD0/uploads --target tvos-device --timeout 01:15:00 --xcode /Applications/Xcode_26.0.1.app -v --launch-timeout 00:05:00 --signal-app-end --set-env=DOTNET_CI=true --
[00:01:25] info: Preparing run for tvos-device
[00:01:25] info: Looking for available tvos-device devices..
[00:01:25] dbug: Looking for available tvos-device devices. Storing logs into list-tvos-device-20260307_000125.log
[00:03:32] crit: System.Exception: Failed to list devices.
                    at Microsoft.DotNet.XHarness.iOS.Shared.Hardware.HardwareDeviceLoader.LoadDevices(ILog log, Boolean includeLocked, Boolean forceRefresh, Boolean listExtraData, Boolean includeWirelessDevices, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.iOS.Shared/Hardware/HardwareDeviceLoader.cs:line 104
                    at Microsoft.DotNet.XHarness.Apple.DeviceFinder.FindDevice(TestTargetOs target, String deviceName, ILog log, Boolean includeWirelessDevices, Boolean pairedDevicesOnly, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/DeviceFinder.cs:line 74
[...stack trace...]
XHarness exit code: 71 (GENERAL_FAILURE)
ls: /tmp/helix/working/B2690A15/w/C9DA0AD0/uploads/xunit-*.xml: No such file or directory
[Full Log](https://helix.dot.net/api/jobs/16f657f2-cd7c-406d-8f6f-72edef80bbc4/workitems/System.Private.Xml.Tests/files/console.f6d89e02.log?api-version=2019-06-17) | [20260306.2](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1324809) | build_tvOS_arm64_Release_AllSubsets_Mono |
| System.Runtime.CompilerServices.VisualC.Tests Work Item | View Extract
/tmp/helix/working/B2690A15/w/B1910985/e/System.Runtime.CompilerServices.VisualC.Tests.app: signed app bundle with Mach-O thin (arm64) [net.dot.System.Runtime.CompilerServices.VisualC.Tests]
[11.0.0-prerelease.26064.3+31e0b8e08f57890f7b7004b93361d69cd4b21079] XHarness command issued: apple test --app /tmp/helix/working/B2690A15/w/B1910985/e/System.Runtime.CompilerServices.VisualC.Tests.app --output-directory /tmp/helix/working/B2690A15/w/B1910985/uploads --target tvos-device --timeout 01:15:00 --xcode /Applications/Xcode_26.0.1.app -v --launch-timeout 00:05:00 --signal-app-end --set-env=DOTNET_CI=true --
[23:59:09] info: Preparing run for tvos-device
[23:59:09] info: Looking for available tvos-device devices..
[23:59:09] dbug: Looking for available tvos-device devices. Storing logs into list-tvos-device-20260306_235909.log
[00:01:21] crit: System.Exception: Failed to list devices.
                    at Microsoft.DotNet.XHarness.iOS.Shared.Hardware.HardwareDeviceLoader.LoadDevices(ILog log, Boolean includeLocked, Boolean forceRefresh, Boolean listExtraData, Boolean includeWirelessDevices, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.iOS.Shared/Hardware/HardwareDeviceLoader.cs:line 104
                    at Microsoft.DotNet.XHarness.Apple.DeviceFinder.FindDevice(TestTargetOs target, String deviceName, ILog log, Boolean includeWirelessDevices, Boolean pairedDevicesOnly, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/DeviceFinder.cs:line 74
                    at Microsoft.DotNet.XHarness.Apple.BaseOrchestrator.OrchestrateOperationInternal(TestTargetOs target, String deviceName, Boolean includeWirelessDevices, Boolean resetSimulator, Boolean enableLldb, GetAppBundleInfoFunc getAppBundle, ExecuteMacCatalystAppFunc executeMacCatalystApp, ExecuteAppFunc executeApp, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/Orchestration/BaseOrchestrator.cs:line 215
XHarness exit code: 71 (GENERAL_FAILURE)
Removing empty log files:
ls: /tmp/helix/working/B2690A15/w/B1910985/uploads/xunit-*.xml: No such file or directory
+ exit_code=71
[Full Log](https://helix.dot.net/api/jobs/16f657f2-cd7c-406d-8f6f-72edef80bbc4/workitems/System.Runtime.CompilerServices.VisualC.Tests/files/console.637120cc.log?api-version=2019-06-17) | [20260306.2](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1324809) | build_tvOS_arm64_Release_AllSubsets_Mono |
| Regression_9 Work Item | View Extract
/tmp/helix/working/BCA70A06/w/B3C109A2/e/Regression_9.app: signed app bundle with Mach-O thin (arm64) [net.dot.Regression_9]
[11.0.0-prerelease.26064.3+31e0b8e08f57890f7b7004b93361d69cd4b21079] XHarness command issued: apple test --app /tmp/helix/working/BCA70A06/w/B3C109A2/e/Regression_9.app --output-directory /tmp/helix/working/BCA70A06/w/B3C109A2/uploads --target tvos-device --timeout 03:00:00 --xcode /Applications/Xcode_26.0.1.app -v --launch-timeout 00:05:00 --signal-app-end --set-env=DOTNET_CI=true --
[22:43:17] info: Preparing run for tvos-device
[22:43:17] info: Looking for available tvos-device devices..
[22:43:17] dbug: Looking for available tvos-device devices. Storing logs into list-tvos-device-20260307_224317.log
[22:45:27] crit: System.Exception: Failed to list devices.
                    at Microsoft.DotNet.XHarness.iOS.Shared.Hardware.HardwareDeviceLoader.LoadDevices(ILog log, Boolean includeLocked, Boolean forceRefresh, Boolean listExtraData, Boolean includeWirelessDevices, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.iOS.Shared/Hardware/HardwareDeviceLoader.cs:line 104
                    at Microsoft.DotNet.XHarness.Apple.DeviceFinder.FindDevice(TestTargetOs target, String deviceName, ILog log, Boolean includeWirelessDevices, Boolean pairedDevicesOnly, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/DeviceFinder.cs:line 74
                    at Microsoft.DotNet.XHarness.Apple.BaseOrchestrator.OrchestrateOperationInternal(TestTargetOs target, String deviceName, Boolean includeWirelessDevices, Boolean resetSimulator, Boolean enableLldb, GetAppBundleInfoFunc getAppBundle, ExecuteMacCatalystAppFunc executeMacCatalystApp, ExecuteAppFunc executeApp, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/Orchestration/BaseOrchestrator.cs:line 215
XHarness exit code: 71 (GENERAL_FAILURE)
Removing empty log files:
ls: /tmp/helix/working/BCA70A06/w/B3C109A2/uploads/xunit-*.xml: No such file or directory
+ exit_code=71
+ '[' -f /tmp/helix/working/BCA70A06/w/B3C109A2/e/.retry ']'
[Full Log](https://helix.dot.net/api/jobs/f0e222e8-dbfa-4ff2-941c-1bcfd5726e73/workitems/Regression_9/files/console.b794f28b.log?api-version=2019-06-17) | [20260307.2](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1325417) | build_tvos_arm64_Release_AllSubsets_Mono_RuntimeTests |
| Regression_NoOptimize_d Work Item | View Extract
/tmp/helix/working/BCA70A06/w/AE6C0967/e/Regression_NoOptimize_d.app: signed app bundle with Mach-O thin (arm64) [net.dot.Regression_NoOptimize_d]
[11.0.0-prerelease.26064.3+31e0b8e08f57890f7b7004b93361d69cd4b21079] XHarness command issued: apple test --app /tmp/helix/working/BCA70A06/w/AE6C0967/e/Regression_NoOptimize_d.app --output-directory /tmp/helix/working/BCA70A06/w/AE6C0967/uploads --target tvos-device --timeout 03:00:00 --xcode /Applications/Xcode_26.0.1.app -v --launch-timeout 00:05:00 --signal-app-end --set-env=DOTNET_CI=true --
[22:43:16] info: Preparing run for tvos-device
[22:43:16] info: Looking for available tvos-device devices..
[22:43:16] dbug: Looking for available tvos-device devices. Storing logs into list-tvos-device-20260307_224316.log
[22:45:25] crit: System.Exception: Failed to list devices.
                    at Microsoft.DotNet.XHarness.iOS.Shared.Hardware.HardwareDeviceLoader.LoadDevices(ILog log, Boolean includeLocked, Boolean forceRefresh, Boolean listExtraData, Boolean includeWirelessDevices, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.iOS.Shared/Hardware/HardwareDeviceLoader.cs:line 104
                    at Microsoft.DotNet.XHarness.Apple.DeviceFinder.FindDevice(TestTargetOs target, String deviceName, ILog log, Boolean includeWirelessDevices, Boolean pairedDevicesOnly, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/DeviceFinder.cs:line 74
... 
XHarness exit code: 71 (GENERAL_FAILURE)
ls: /tmp/helix/working/BCA70A06/w/AE6C0967/uploads/xunit-*.xml: No such file or directory
+ exit_code=71
[Full Log](https://helix.dot.net/api/jobs/f0e222e8-dbfa-4ff2-941c-1bcfd5726e73/workitems/Regression_NoOptimize_d/files/console.454c74f7.log?api-version=2019-06-17) | [20260307.2](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1325417) | build_tvos_arm64_Release_AllSubsets_Mono_RuntimeTests |
| Regressions Work Item | View Extract
/tmp/helix/working/BCA70A06/w/9CCB089D/e/Regressions.app: signed app bundle with Mach-O thin (arm64) [net.dot.Regressions]
[11.0.0-prerelease.26064.3+31e0b8e08f57890f7b7004b93361d69cd4b21079] XHarness command issued: apple test --app /tmp/helix/working/BCA70A06/w/9CCB089D/e/Regressions.app --output-directory /tmp/helix/working/BCA70A06/w/9CCB089D/uploads --target tvos-device --timeout 03:00:00 --xcode /Applications/Xcode_26.0.1.app -v --launch-timeout 00:05:00 --signal-app-end --set-env=DOTNET_CI=true --
[22:43:16] info: Preparing run for tvos-device
[22:43:16] info: Looking for available tvos-device devices..
[22:43:16] dbug: Looking for available tvos-device devices. Storing logs into list-tvos-device-20260307_224316.log
[22:45:27] crit: System.Exception: Failed to list devices.
                    at Microsoft.DotNet.XHarness.iOS.Shared.Hardware.HardwareDeviceLoader.LoadDevices(ILog log, Boolean includeLocked, Boolean forceRefresh, Boolean listExtraData, Boolean includeWirelessDevices, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.iOS.Shared/Hardware/HardwareDeviceLoader.cs:line 104
                    at Microsoft.DotNet.XHarness.Apple.DeviceFinder.FindDevice(TestTargetOs target, String deviceName, ILog log, Boolean includeWirelessDevices, Boolean pairedDevicesOnly, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/DeviceFinder.cs:line 74
XHarness exit code: 71 (GENERAL_FAILURE)
Removing empty log files:
ls: /tmp/helix/working/BCA70A06/w/9CCB089D/uploads/xunit-*.xml: No such file or directory
[Full Log](https://helix.dot.net/api/jobs/f0e222e8-dbfa-4ff2-941c-1bcfd5726e73/workitems/Regressions/files/console.3242b6a7.log?api-version=2019-06-17) | [20260307.2](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1325417) | build_tvos_arm64_Release_AllSubsets_Mono_RuntimeTests |
| baseservices-exceptions Work Item | View Extract
/tmp/helix/working/BCA70A06/w/B37009AB/e/baseservices-exceptions.app: signed app bundle with Mach-O thin (arm64) [net.dot.baseservices-exceptions]
[11.0.0-prerelease.26064.3+31e0b8e08f57890f7b7004b93361d69cd4b21079] XHarness command issued: apple test --app /tmp/helix/working/BCA70A06/w/B37009AB/e/baseservices-exceptions.app --output-directory /tmp/helix/working/BCA70A06/w/B37009AB/uploads --target tvos-device --timeout 03:00:00 --xcode /Applications/Xcode_26.0.1.app -v --launch-timeout 00:05:00 --signal-app-end --set-env=DOTNET_CI=true --
[22:43:15] info: Preparing run for tvos-device
[22:43:15] info: Looking for available tvos-device devices..
[22:43:15] dbug: Looking for available tvos-device devices. Storing logs into list-tvos-device-20260307_224315.log
[22:45:23] crit: System.Exception: Failed to list devices.
                    at Microsoft.DotNet.XHarness.iOS.Shared.Hardware.HardwareDeviceLoader.LoadDevices(ILog log, Boolean includeLocked, Boolean forceRefresh, Boolean listExtraData, Boolean includeWirelessDevices, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.iOS.Shared/Hardware/HardwareDeviceLoader.cs:line 104
                    at Microsoft.DotNet.XHarness.Apple.DeviceFinder.FindDevice(TestTargetOs target, String deviceName, ILog log, Boolean includeWirelessDevices, Boolean pairedDevicesOnly, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/DeviceFinder.cs:line 74
XHarness exit code: 71 (GENERAL_FAILURE)
ls: /tmp/helix/working/BCA70A06/w/B37009AB/uploads/xunit-*.xml: No such file or directory
Console log: 'baseservices-exceptions' from job f0e222e8-dbfa-4ff2-941c-1bcfd5726e73 workitem b60f0cd5-89ae-48fb-819a-4721933bc8ca (osx.15.amd64.appletv.open) executed on machine DNCENGMAC035 running macOS-15.7
[Full Log](https://helix.dot.net/api/jobs/f0e222e8-dbfa-4ff2-941c-1bcfd5726e73/workitems/baseservices-exceptions/files/console.43f52060.log?api-version=2019-06-17) | [20260307.2](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1325417) | build_tvos_arm64_Release_AllSubsets_Mono_RuntimeTests |
| System.Collections.NonGeneric.Tests Work Item | View Extract
 /tmp/helix/working/AD1C0996/w/AB370970/e/System.Collections.NonGeneric.Tests.app: signed app bundle with Mach-O thin (arm64) [net.dot.System.Collections.NonGeneric.Tests]
[11.0.0-prerelease.26064.3+31e0b8e08f57890f7b7004b93361d69cd4b21079] XHarness command issued: apple test --app /tmp/helix/working/AD1C0996/w/AB370970/e/System.Collections.NonGeneric.Tests.app --output-directory /tmp/helix/working/AD1C0996/w/AB370970/uploads --target tvos-device --timeout 01:15:00 --xcode /Applications/Xcode_26.0.1.app -v --launch-timeout 00:05:00 --signal-app-end --set-env=DOTNET_CI=true --
[23:31:22] info: Preparing run for tvos-device
[23:31:22] info: Looking for available tvos-device devices..
[23:31:22] dbug: Looking for available tvos-device devices. Storing logs into list-tvos-device-20260307_233122.log
[23:33:31] crit: System.Exception: Failed to list devices.
                    at Microsoft.DotNet.XHarness.iOS.Shared.Hardware.HardwareDeviceLoader.LoadDevices(ILog log, Boolean includeLocked, Boolean forceRefresh, Boolean listExtraData, Boolean includeWirelessDevices, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.iOS.Shared/Hardware/HardwareDeviceLoader.cs:line 104
                    at Microsoft.DotNet.XHarness.Apple.DeviceFinder.FindDevice(TestTargetOs target, String deviceName, ILog log, Boolean includeWirelessDevices, Boolean pairedDevicesOnly, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/DeviceFinder.cs:line 74
... (stack trace omitted) ...
XHarness exit code: 71 (GENERAL_FAILURE)
Removing empty log files:
ls: /tmp/helix/working/AD1C0996/w/AB370970/uploads/xunit-*.xml: No such file or directory
+ exit_code=71
[Full Log](https://helix.dot.net/api/jobs/e7658e29-ce49-4581-ac17-f7dca99d09d7/workitems/System.Collections.NonGeneric.Tests/files/console.bb414f45.log?api-version=2019-06-17) | [20260307.2](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1325417) | build_tvOS_arm64_Release_AllSubsets_Mono |
| System.Xml.Linq.xNodeReader.Tests Work Item | View Extract
[11.0.0-prerelease.26064.3+31e0b8e08f57890f7b7004b93361d69cd4b21079] XHarness command issued: apple test --app /tmp/helix/working/AD1C0996/w/ABD10918/e/System.Xml.Linq.xNodeReader.Tests.app --output-directory /tmp/helix/working/AD1C0996/w/ABD10918/uploads --target tvos-device --timeout 01:15:00 --xcode /Applications/Xcode_26.0.1.app -v --launch-timeout 00:05:00 --signal-app-end --set-env=DOTNET_CI=true --
[23:32:12] info: Preparing run for tvos-device
[23:32:12] info: Looking for available tvos-device devices..
[23:32:12] dbug: Looking for available tvos-device devices. Storing logs into list-tvos-device-20260307_233212.log
[23:34:20] crit: System.Exception: Failed to list devices.
                    at Microsoft.DotNet.XHarness.iOS.Shared.Hardware.HardwareDeviceLoader.LoadDevices(ILog log, Boolean includeLocked, Boolean forceRefresh, Boolean listExtraData, Boolean includeWirelessDevices, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.iOS.Shared/Hardware/HardwareDeviceLoader.cs:line 104
                    at Microsoft.DotNet.XHarness.Apple.DeviceFinder.FindDevice(TestTargetOs target, String deviceName, ILog log, Boolean includeWirelessDevices, Boolean pairedDevicesOnly, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/DeviceFinder.cs:line 74
                    at Microsoft.DotNet.XHarness.Apple.BaseOrchestrator.OrchestrateOperationInternal(TestTargetOs target, String deviceName, Boolean includeWirelessDevices, Boolean resetSimulator, Boolean enableLldb, GetAppBundleInfoFunc getAppBundle, ExecuteMacCatalystAppFunc executeMacCatalystApp, ExecuteAppFunc executeApp, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/Orchestration/BaseOrchestrator.cs:line 215
XHarness exit code: 71 (GENERAL_FAILURE)
Removing empty log files:
ls: /tmp/helix/working/AD1C0996/w/ABD10918/uploads/xunit-*.xml: No such file or directory
[Full Log](https://helix.dot.net/api/jobs/e7658e29-ce49-4581-ac17-f7dca99d09d7/workitems/System.Xml.Linq.xNodeReader.Tests/files/console.65e856ca.log?api-version=2019-06-17) | [20260307.2](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1325417) | build_tvOS_arm64_Release_AllSubsets_Mono |
| async Work Item | View Extract
/tmp/helix/working/AAC60983/w/B0C00957/e/async.app: signed app bundle with Mach-O thin (arm64) [net.dot.async]
[11.0.0-prerelease.26064.3+31e0b8e08f57890f7b7004b93361d69cd4b21079] XHarness command issued: apple test --app /tmp/helix/working/AAC60983/w/B0C00957/e/async.app --output-directory /tmp/helix/working/AAC60983/w/B0C00957/uploads --target tvos-device --timeout 03:00:00 --xcode /Applications/Xcode_26.0.1.app -v --launch-timeout 00:05:00 --signal-app-end --set-env=DOTNET_CI=true --
[23:35:37] info: Preparing run for tvos-device
[23:35:37] info: Looking for available tvos-device devices..
[23:35:37] dbug: Looking for available tvos-device devices. Storing logs into list-tvos-device-20260307_233537.log
[23:37:46] crit: System.Exception: Failed to list devices.
                    at Microsoft.DotNet.XHarness.iOS.Shared.Hardware.HardwareDeviceLoader.LoadDevices(ILog log, Boolean includeLocked, Boolean forceRefresh, Boolean listExtraData, Boolean includeWirelessDevices, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.iOS.Shared/Hardware/HardwareDeviceLoader.cs:line 104
                    at Microsoft.DotNet.XHarness.Apple.DeviceFinder.FindDevice(TestTargetOs target, String deviceName, ILog log, Boolean includeWirelessDevices, Boolean pairedDevicesOnly, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/DeviceFinder.cs:line 74
XHarness exit code: 71 (GENERAL_FAILURE)
Removing empty log files:
ls: /tmp/helix/working/AAC60983/w/B0C00957/uploads/xunit-*.xml: No such file or directory
[Full Log](https://helix.dot.net/api/jobs/026d9790-3f5a-46ce-ba3c-8d75e66ba892/workitems/async/files/console.d260bd25.log?api-version=2019-06-17) | [20260307.2](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1325417) | build_tvos_arm64_Release_AllSubsets_CoreCLR_RuntimeTests |

## Error Message

```json
{
"ErrorMessage": "System.Exception: Failed to list devices.",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
```

### Report
#### Summary
|24-Hour Hit Count|7-Day Hit Count|1-Month Count|
|---|---|---|
|0|0|0|

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