[8.0] System.Exception: Failed to list devices - tvOS, iOS

[jozkee]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1311394
Build error leg or test failing: System.Runtime.Tests.WorkItemExecution
Pull request: #124906

Error Message

Fill the error message using step by step known issues guidance.

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

Related: #110008 (comment)

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1311394
Error message validated: [System.Exception: Failed to list devices]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 3/3/2026 5:33:14 PM UTC

Report

Build	Repository	Test	Pull Request
1454198	dotnet/runtime	System.Runtime.Tests.WorkItemExecution	#126004
1453839	dotnet/runtime	System.Formats.Tar.Manual.Tests.WorkItemExecution
1453379	dotnet/runtime	System.Threading.Tasks.Extensions.Tests.WorkItemExecution
1453500	dotnet/runtime	tvOS.Device.Aot.Test.WorkItemExecution	#129116
1452872	dotnet/runtime	System.Linq.Tests.WorkItemExecution
1452386	dotnet/runtime	System.IO.FileSystem.DisabledFileLocking.Tests.WorkItemExecution
1451880	dotnet/runtime	System.Composition.Runtime.Tests.WorkItemExecution
1450787	dotnet/runtime	System.IO.FileSystem.DriveInfo.Tests.WorkItemExecution
1450155	dotnet/runtime	System.Composition.Runtime.Tests.WorkItemExecution
1449088	dotnet/runtime	System.Threading.Tasks.Dataflow.Tests.WorkItemExecution
1448602	dotnet/runtime	nativeaot/SmokeTests/AttributeTrimming/AttributeTrimming/AttributeTrimming.sh
1448033	dotnet/runtime	tvOS.Device.Aot.Test.WorkItemExecution	#128952
1447602	dotnet/runtime	System.Runtime.Tests.WorkItemExecution	#128223
1447485	dotnet/runtime	System.Composition.Hosting.Tests.WorkItemExecution
1446635	dotnet/runtime	System.Text.Encoding.CodePages.Tests.WorkItemExecution
1444966	dotnet/runtime	System.Net.Http.Json.Functional.Tests.HttpClientJsonExtensionsTests.GetFromJsonAsync_EnforcesMaxResponseContentBufferSize
1442382	dotnet/runtime	System.Reflection.TypeExtensions.Tests.WorkItemExecution
1441846	dotnet/runtime	Microsoft.Extensions.Configuration.Tests.WorkItemExecution
1441029	dotnet/runtime	System.Net.NameResolution.Pal.Tests.WorkItemExecution	#128409
1440990	dotnet/runtime	Regressions.WorkItemExecution	#128408
1440694	dotnet/runtime	System.Security.Cryptography.ProtectedData.Tests.WorkItemExecution	#127498
1440408	dotnet/runtime	System.Collections.NonGeneric.Tests.WorkItemExecution	#128448
1440191	dotnet/runtime	Microsoft.Extensions.Configuration.Tests.WorkItemExecution
1439314	dotnet/runtime	System.Diagnostics.Contracts.Tests.WorkItemExecution	#128705
1437078	dotnet/runtime	Microsoft.Extensions.Logging.Console.Tests.WorkItemExecution	#128404
1436708	dotnet/runtime	Regression_o_1.WorkItemExecution	#128586
1436493	dotnet/runtime	System.Numerics.Tensors.Tests.WorkItemExecution
1428144	dotnet/runtime	Invariant.Tests.WorkItemExecution	#125437
1427748	dotnet/runtime	System.Security.Cryptography.Tests.WorkItemExecution	#124173
1427615	dotnet/runtime	Microsoft.Extensions.Configuration.Functional.Tests.WorkItemExecution
1427585	dotnet/runtime	System.Collections.Immutable.Tests.WorkItemExecution
1427236	dotnet/runtime	Microsoft.Extensions.FileProviders.Composite.Tests.WorkItemExecution
1427030	dotnet/runtime	System.Drawing.Primitives.Tests.WorkItemExecution	#125437
1426342	dotnet/runtime	Regression_6.WorkItemExecution	#125437
1426173	dotnet/runtime	System.Text.RegularExpressions.Unit.Tests.WorkItemExecution	#128284
1425947	dotnet/runtime	tracing.WorkItemExecution
1424920	dotnet/runtime	System.Xml.Linq.SDMSample.Tests.WorkItemExecution	#128068
1425179	dotnet/runtime	threading_group1.WorkItemExecution
1424521	dotnet/runtime	reflection.WorkItemExecution
1424079	dotnet/runtime	System.Runtime.Serialization.Schema.Tests.WorkItemExecution
1423593	dotnet/runtime	MetricOuterLoop1.Tests.WorkItemExecution
1423053	dotnet/runtime	Microsoft.Win32.Primitives.Tests.WorkItemExecution
1420480	dotnet/runtime	Microsoft.Extensions.Configuration.UserSecrets.Tests.WorkItemExecution	#128188
1420484	dotnet/runtime	System.Formats.Tar.Manual.Tests.WorkItemExecution	#128068
1420407	dotnet/runtime	System.Security.Cryptography.Csp.Tests.WorkItemExecution	#128135
1420376	dotnet/runtime	reflection.WorkItemExecution	#125437
1420047	dotnet/runtime	async.WorkItemExecution
1420282	dotnet/runtime	Microsoft.Extensions.Configuration.Tests.WorkItemExecution
1418805	dotnet/runtime	System.Xml.Linq.Properties.Tests.WorkItemExecution	#124173
1419167	dotnet/runtime	Microsoft.Extensions.Configuration.Tests.WorkItemExecution
1418874	dotnet/runtime	JIT.CodeGenBringUpTests_d.WorkItemExecution
1418359	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1418441	dotnet/runtime	JIT_PGO.WorkItemExecution
1418286	dotnet/runtime	System.Resources.Writer.Tests.WorkItemExecution
1418163	dotnet/runtime	System.Collections.Concurrent.Tests.WorkItemExecution
1418156	dotnet/runtime	System.Composition.Runtime.Tests.WorkItemExecution
1418181	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1418184	dotnet/runtime	tvOS.Device.Aot.Test.WorkItemExecution
1417611	dotnet/runtime	System.Globalization.CalendarsWithConfigSwitch.Tests.WorkItemExecution	#128049
1417637	dotnet/runtime	System.IO.IsolatedStorage.Tests.WorkItemExecution	#128068
1417774	dotnet/runtime	System.Runtime.Tests.WorkItemExecution	#128093
1416787	dotnet/runtime	System.Resources.Writer.Tests.WorkItemExecution
1416322	dotnet/runtime	System.Numerics.Tensors.Tests.WorkItemExecution	#128049

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
4	16	63

[dotnet-policy-service]

Tagging subscribers to this area: @dotnet/runtime-infrastructure
See info in area-owners.md if you want to be subscribed.

[dotnet-policy-service]

Tagging subscribers to 'os-ios': @vitek-karas, @kotlarmilos, @steveisok, @akoeplinger
See info in area-owners.md if you want to be subscribed.

[dotnet-policy-service]

Tagging subscribers to 'os-tvos': @vitek-karas, @kotlarmilos, @steveisok, @akoeplinger
See info in area-owners.md if you want to be subscribed.

[BrzVlad]

@kotlarmilos Any thoughts on this ?

[21:43:45] 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
                    at Microsoft.DotNet.XHarness.Apple.BaseOrchestrator.OrchestrateOperation(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 96
                    at Microsoft.DotNet.XHarness.Apple.RunOrchestrator.OrchestrateRun(GetAppBundleInfoFunc getAppBundleInfo, TestTargetOs target, String deviceName, TimeSpan timeout, TimeSpan launchTimeout, Int32 expectedExitCode, Boolean includeWirelessDevices, Boolean resetSimulator, Boolean enableLldb, Boolean signalAppEnd, Boolean waitForExit, IReadOnlyCollection`1 environmentalVariables, IEnumerable`1 passthroughArguments, CancellationToken cancellationToken) in /_/src/Microsoft.DotNet.XHarness.Apple/Orchestration/RunOrchestrator.cs:line 221
                    at Microsoft.DotNet.XHarness.CLI.Commands.Apple.AppleAppCommand`1.Invoke(ILogger logger) in /_/src/Microsoft.DotNet.XHarness.CLI/Commands/Apple/AppleAppCommand.cs:line 68
                    at Microsoft.DotNet.XHarness.CLI.Commands.XHarnessCommand`1.Invoke(IEnumerable`1 arguments) in /_/src/Microsoft.DotNet.XHarness.CLI/Commands/XHarnessCommand.cs:line 145