[browser] FATAL UNHANDLED EXCEPTION

[pavelsavara]

Error Blob

{
  "ErrorMessage": "warn: [ERROR] FATAL UNHANDLED EXCEPTION",
  "BuildRetry": false,
  "ErrorPattern": "",
  "ExcludeConsoleLog": false
}

Reproduction Steps

Log
Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=576320

[22:43:06] info: [PASS] System.Linq.Parallel.Tests.OrderByThenByTests.OrderBy_ThreadedDeadlock
[22:43:06] warn: 
[22:43:06] warn: Unhandled Exception:
[22:43:06] warn: System.InvalidCastException: Specified cast is not valid.
[22:43:06] warn:    at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageThree()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageTwo()
[22:43:06] warn:    at System.Threading.Tasks.Task.ProcessChildCompletion(Task childTask)
[22:43:06] warn:    at System.Threading.Tasks.Task.NotifyParentIfPotentiallyAttachedTask()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageThree()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageTwo()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishSlow(Boolean userDelegateExecute)
[22:43:06] warn:    at System.Threading.Tasks.Task.Finish(Boolean userDelegateExecute)
[22:43:06] warn:    at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
[22:43:06] warn:    at System.Threading.Tasks.Task.ExecuteEntryUnsafe(Thread threadPoolThread)
[22:43:06] warn:    at System.Threading.Tasks.Task.ExecuteFromThreadPool(Thread threadPoolThread)
[22:43:06] warn:    at System.Threading.ThreadPoolWorkQueue.Dispatch()
[22:43:06] warn:    at System.Threading.PortableThreadPool.WorkerThread.WorkLoopSemaphoreSuccess(LowLevelLifoAsyncWaitSemaphore semaphore, Object stateObject)
[22:43:06] warn:    at System.Threading.LowLevelLifoAsyncWaitSemaphore.PrepareAsyncWait(Int32 timeoutMs, Action`2 onSuccess, Action`2 onTimeout, Object state)
[22:43:06] warn:    at System.Threading.PortableThreadPool.WorkerThread.WaitForWorkLoop(LowLevelLifoAsyncWaitSemaphore semaphore, SemaphoreWaitState state)
[22:43:06] warn:    at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()
[22:43:06] warn: [ERROR] FATAL UNHANDLED EXCEPTION: System.InvalidCastException: Specified cast is not valid.
[22:43:06] warn:    at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageThree()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageTwo()
[22:43:06] warn:    at System.Threading.Tasks.Task.ProcessChildCompletion(Task childTask)
[22:43:06] warn:    at System.Threading.Tasks.Task.NotifyParentIfPotentiallyAttachedTask()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageThree()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageTwo()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishSlow(Boolean userDelegateExecute)
[22:43:06] warn:    at System.Threading.Tasks.Task.Finish(Boolean userDelegateExecute)
[22:43:06] warn:    at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
[22:43:06] warn:    at System.Threading.Tasks.Task.ExecuteEntryUnsafe(Thread threadPoolThread)
[22:43:06] warn:    at System.Threading.Tasks.Task.ExecuteFromThreadPool(Thread threadPoolThread)
[22:43:06] warn:    at System.Threading.ThreadPoolWorkQueue.Dispatch()
[22:43:06] warn:    at System.Threading.PortableThreadPool.WorkerThread.WorkLoopSemaphoreSuccess(LowLevelLifoAsyncWaitSemaphore semaphore, Object stateObject)
[22:43:06] warn:    at System.Threading.LowLevelLifoAsyncWaitSemaphore.PrepareAsyncWait(Int32 timeoutMs, Action`2 onSuccess, Action`2 onTimeout, Object state)
[22:43:06] warn:    at System.Threading.PortableThreadPool.WorkerThread.WaitForWorkLoop(LowLevelLifoAsyncWaitSemaphore semaphore, SemaphoreWaitState state)
[22:43:06] warn:    at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()
[22:43:06] info: [FAIL] System.Linq.Parallel.Tests.OrderByThenByTests.OrderBy_ThreadedDeadlock(labeled: ParallelEnumerable.Range, count: 1, degree: 2)
[22:43:06] info: Assert.Throws() Failure: Exception type was not an exact match
[22:43:06] info: Expected: typeof(System.AggregateException)
[22:43:06] info: Actual:   typeof(System.Threading.Tasks.TaskSchedulerException)
[22:43:06] info: ---- System.Threading.Tasks.TaskSchedulerException : An exception was thrown by a TaskScheduler.
[22:43:06] info: -------- System.PlatformNotSupportedException : Blocking wait is not supported on the JS interop threads.
[22:43:06] info:    at System.Linq.Parallel.Tests.OrderByThenByTests.OrderBy_ThreadedDeadlock(Labeled`1 labeled, Int32 count, Int32 degree)
[22:43:06] info:    at System.Object.InvokeStub_OrderByThenByTests.OrderBy_ThreadedDeadlock(Object , Span`1 )
[22:43:06] info:    at System.Reflection.MethodBaseInvoker.InvokeWithFewArgs(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
[22:43:06] info: ----- Inner Stack Trace -----
[22:43:06] info:    at System.Threading.Tasks.Task.InternalRunSynchronously(TaskScheduler scheduler, Boolean waitForCompletion)
[22:43:06] info:    at System.Linq.Parallel.OrderPreservingSpoolingTask`2[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Spool(QueryTaskGroupState groupState, PartitionedStream`2 partitions, Shared`1 results, TaskScheduler taskScheduler)
[22:43:06] info:    at System.Linq.Parallel.OrderPreservingMergeHelper`2[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].System.Linq.Parallel.IMergeHelper<TInputOutput>.Execute()
[22:43:06] info:    at System.Linq.Parallel.MergeExecutor`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Execute[Int32](PartitionedStream`2 partitions, Boolean ignoreOutput, ParallelMergeOptions options, TaskScheduler taskScheduler, Boolean isOrdered, CancellationState cancellationState, Int32 queryId)
[22:43:06] info:    at System.Linq.Parallel.PartitionedStreamMerger`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Receive[Int32](PartitionedStream`2 partitionedStream)
[22:43:06] info:    at System.Linq.Parallel.SortQueryOperator`2[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].WrapPartitionedStream[Int32](PartitionedStream`2 inputStream, IPartitionedStreamRecipient`1 recipient, Boolean preferStriping, QuerySettings settings)
[22:43:06] info:    at System.Linq.Parallel.SortQueryOperatorResults`2.ChildResultsRecipient[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Receive[Int32](PartitionedStream`2 childPartitionedStream)
[22:43:06] info:    at System.Linq.Parallel.ScanQueryOperator`1.ScanEnumerableQueryOperatorResults[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].GivePartitionedStream(IPartitionedStreamRecipient`1 recipient)
[22:43:06] info:    at System.Linq.Parallel.SortQueryOperatorResults`2[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].GivePartitionedStream(IPartitionedStreamRecipient`1 recipient)
[22:43:06] info:    at System.Linq.Parallel.QueryOperator`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].GetOpenedEnumerator(Nullable`1 mergeOptions, Boolean suppressOrder, Boolean forEffect, QuerySettings querySettings)
[22:43:06] info:    at System.Linq.Parallel.QueryOpeningEnumerator`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].OpenQuery()
[22:43:06] info:    at System.Linq.Parallel.QueryOpeningEnumerator`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNext()
[22:43:06] info:    at System.Linq.Parallel.Tests.OrderByThenByTests.<>c__DisplayClass42_0.<OrderBy_ThreadedDeadlock>b__1()
[22:43:06] info: ----- Inner Stack Trace -----
[22:43:06] info:    at System.Threading.Thread.AssureBlockingPossible()
[22:43:06] info:    at System.Threading.Monitor.Wait(Object obj, Int32 millisecondsTimeout)
[22:43:06] info:    at System.Threading.ManualResetEventSlim.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[22:43:06] info:    at System.Threading.Tasks.Task.SpinThenBlockingWait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[22:43:06] info:    at System.Threading.Tasks.Task.InternalRunSynchronously(TaskScheduler scheduler, Boolean waitForCompletion)
[22:43:11] info: STATE CUE CARD: (? means a positive number, usually 1 or 2, * means any number)
[22:43:11] info: 	0x0	- starting (GOOD, unless the thread is running managed code)
[22:43:11] info: 	0x1	- detached (GOOD, unless the thread is running managed code)
[22:43:11] info: 	0x2	- running (BAD, unless it's the gc thread)
[22:43:11] info: 	0x?03	- async suspended (GOOD)
[22:43:11] info: 	0x?04	- self suspended (GOOD)
[22:43:11] info: 	0x?05	- async suspend requested (BAD)
[22:43:11] info: 	0x6	- blocking (BAD, unless there's no suspend initiator)
[22:43:11] info: 	0x?07	- blocking async suspended (GOOD)
[22:43:11] info: 	0x?08	- blocking self suspended (GOOD)
[22:43:11] info: 	0x?09	- blocking suspend requested (GOOD in coop; BAD in hybrid)
[22:43:11] info: --thread 0x347e368 id 0xdc96c [0] state 109
[22:43:11] info: --thread 0x2085b38 id 0x1b7cad0 [0] state 2  GC INITIATOR
[22:43:11] info: --thread 0x5551900 id 0x36276b8 [0] state 109
[22:43:11] info: --thread 0x382e7d8 id 0x3936d48 [0] state 108
[22:43:11] info: --thread 0x3b3bb48 id 0x3c58ce0 [0] state 6
[22:43:11] info: --thread 0x5a48f80 id 0x72cf068 [0] state 105
[22:43:11] info: WAITING for 1 threads, got 0 suspended
[22:43:11] fail: [0x01b7cad0-dpty 22:43:11.329] [MONO] /__w/1/s/src/mono/mono/utils/mono-threads.c:330 <disabled>

Report

Build	Definition	Test	Pull Request
596934	dotnet/runtime	WasmTestOnBrowser-System.Runtime.Tests.WorkItemExecution	#99212
592800	dotnet/runtime	WasmTestOnBrowser-System.Threading.Timer.Tests.WorkItemExecution	#98802
591685	dotnet/runtime	WasmTestOnBrowser-System.Threading.Timer.Tests.WorkItemExecution	#98802
590978	dotnet/runtime	WasmTestOnBrowser-System.Threading.Timer.Tests.WorkItemExecution	#98802
590245	dotnet/runtime	WasmTestOnBrowser-System.Threading.Timer.Tests.WorkItemExecution	#98802
589684	dotnet/runtime	WasmTestOnBrowser-System.Threading.Timer.Tests.WorkItemExecution	#98802
579201	dotnet/runtime	WasmTestOnBrowser-System.Threading.Timer.Tests.WorkItemExecution	#98802
576845	dotnet/runtime	WasmTestOnBrowser-System.Threading.Timer.Tests.WorkItemExecution	#98802
576320	dotnet/runtime	WasmTestOnBrowser-System.Threading.Timer.Tests.WorkItemExecution	#98802
575939	dotnet/runtime	WasmTestOnBrowser-System.Threading.Timer.Tests.WorkItemExecution	#98802
575598	dotnet/runtime	WasmTestOnBrowser-System.Threading.Timer.Tests.WorkItemExecution	#98802
574940	dotnet/runtime	WasmTestOnBrowser-System.Threading.Timer.Tests.WorkItemExecution	#98118

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	0	11

Known issue validation

Build: 🔎
Result validation: ⚠️ Validation could not be done without an Azure DevOps build URL on the issue. Please add it to the "Build: 🔎" line.
Validation performed at: 3/11/2024 10:30:59 AM UTC

Tagging subscribers to 'arch-wasm': @lewing
See info in area-owners.md if you want to be subscribed.

Issue Details

---

Error Blob

{
  "ErrorMessage": "warn: [ERROR] FATAL UNHANDLED EXCEPTION",
  "BuildRetry": false,
  "ErrorPattern": "",
  "ExcludeConsoleLog": false
}

Reproduction Steps

Log
Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=576320

[22:43:06] info: [PASS] System.Linq.Parallel.Tests.OrderByThenByTests.OrderBy_ThreadedDeadlock
[22:43:06] warn: 
[22:43:06] warn: Unhandled Exception:
[22:43:06] warn: System.InvalidCastException: Specified cast is not valid.
[22:43:06] warn:    at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageThree()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageTwo()
[22:43:06] warn:    at System.Threading.Tasks.Task.ProcessChildCompletion(Task childTask)
[22:43:06] warn:    at System.Threading.Tasks.Task.NotifyParentIfPotentiallyAttachedTask()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageThree()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageTwo()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishSlow(Boolean userDelegateExecute)
[22:43:06] warn:    at System.Threading.Tasks.Task.Finish(Boolean userDelegateExecute)
[22:43:06] warn:    at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
[22:43:06] warn:    at System.Threading.Tasks.Task.ExecuteEntryUnsafe(Thread threadPoolThread)
[22:43:06] warn:    at System.Threading.Tasks.Task.ExecuteFromThreadPool(Thread threadPoolThread)
[22:43:06] warn:    at System.Threading.ThreadPoolWorkQueue.Dispatch()
[22:43:06] warn:    at System.Threading.PortableThreadPool.WorkerThread.WorkLoopSemaphoreSuccess(LowLevelLifoAsyncWaitSemaphore semaphore, Object stateObject)
[22:43:06] warn:    at System.Threading.LowLevelLifoAsyncWaitSemaphore.PrepareAsyncWait(Int32 timeoutMs, Action`2 onSuccess, Action`2 onTimeout, Object state)
[22:43:06] warn:    at System.Threading.PortableThreadPool.WorkerThread.WaitForWorkLoop(LowLevelLifoAsyncWaitSemaphore semaphore, SemaphoreWaitState state)
[22:43:06] warn:    at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()
[22:43:06] warn: [ERROR] FATAL UNHANDLED EXCEPTION: System.InvalidCastException: Specified cast is not valid.
[22:43:06] warn:    at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageThree()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageTwo()
[22:43:06] warn:    at System.Threading.Tasks.Task.ProcessChildCompletion(Task childTask)
[22:43:06] warn:    at System.Threading.Tasks.Task.NotifyParentIfPotentiallyAttachedTask()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageThree()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishStageTwo()
[22:43:06] warn:    at System.Threading.Tasks.Task.FinishSlow(Boolean userDelegateExecute)
[22:43:06] warn:    at System.Threading.Tasks.Task.Finish(Boolean userDelegateExecute)
[22:43:06] warn:    at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
[22:43:06] warn:    at System.Threading.Tasks.Task.ExecuteEntryUnsafe(Thread threadPoolThread)
[22:43:06] warn:    at System.Threading.Tasks.Task.ExecuteFromThreadPool(Thread threadPoolThread)
[22:43:06] warn:    at System.Threading.ThreadPoolWorkQueue.Dispatch()
[22:43:06] warn:    at System.Threading.PortableThreadPool.WorkerThread.WorkLoopSemaphoreSuccess(LowLevelLifoAsyncWaitSemaphore semaphore, Object stateObject)
[22:43:06] warn:    at System.Threading.LowLevelLifoAsyncWaitSemaphore.PrepareAsyncWait(Int32 timeoutMs, Action`2 onSuccess, Action`2 onTimeout, Object state)
[22:43:06] warn:    at System.Threading.PortableThreadPool.WorkerThread.WaitForWorkLoop(LowLevelLifoAsyncWaitSemaphore semaphore, SemaphoreWaitState state)
[22:43:06] warn:    at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()
[22:43:06] info: [FAIL] System.Linq.Parallel.Tests.OrderByThenByTests.OrderBy_ThreadedDeadlock(labeled: ParallelEnumerable.Range, count: 1, degree: 2)
[22:43:06] info: Assert.Throws() Failure: Exception type was not an exact match
[22:43:06] info: Expected: typeof(System.AggregateException)
[22:43:06] info: Actual:   typeof(System.Threading.Tasks.TaskSchedulerException)
[22:43:06] info: ---- System.Threading.Tasks.TaskSchedulerException : An exception was thrown by a TaskScheduler.
[22:43:06] info: -------- System.PlatformNotSupportedException : Blocking wait is not supported on the JS interop threads.
[22:43:06] info:    at System.Linq.Parallel.Tests.OrderByThenByTests.OrderBy_ThreadedDeadlock(Labeled`1 labeled, Int32 count, Int32 degree)
[22:43:06] info:    at System.Object.InvokeStub_OrderByThenByTests.OrderBy_ThreadedDeadlock(Object , Span`1 )
[22:43:06] info:    at System.Reflection.MethodBaseInvoker.InvokeWithFewArgs(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
[22:43:06] info: ----- Inner Stack Trace -----
[22:43:06] info:    at System.Threading.Tasks.Task.InternalRunSynchronously(TaskScheduler scheduler, Boolean waitForCompletion)
[22:43:06] info:    at System.Linq.Parallel.OrderPreservingSpoolingTask`2[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Spool(QueryTaskGroupState groupState, PartitionedStream`2 partitions, Shared`1 results, TaskScheduler taskScheduler)
[22:43:06] info:    at System.Linq.Parallel.OrderPreservingMergeHelper`2[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].System.Linq.Parallel.IMergeHelper<TInputOutput>.Execute()
[22:43:06] info:    at System.Linq.Parallel.MergeExecutor`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Execute[Int32](PartitionedStream`2 partitions, Boolean ignoreOutput, ParallelMergeOptions options, TaskScheduler taskScheduler, Boolean isOrdered, CancellationState cancellationState, Int32 queryId)
[22:43:06] info:    at System.Linq.Parallel.PartitionedStreamMerger`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Receive[Int32](PartitionedStream`2 partitionedStream)
[22:43:06] info:    at System.Linq.Parallel.SortQueryOperator`2[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].WrapPartitionedStream[Int32](PartitionedStream`2 inputStream, IPartitionedStreamRecipient`1 recipient, Boolean preferStriping, QuerySettings settings)
[22:43:06] info:    at System.Linq.Parallel.SortQueryOperatorResults`2.ChildResultsRecipient[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Receive[Int32](PartitionedStream`2 childPartitionedStream)
[22:43:06] info:    at System.Linq.Parallel.ScanQueryOperator`1.ScanEnumerableQueryOperatorResults[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].GivePartitionedStream(IPartitionedStreamRecipient`1 recipient)
[22:43:06] info:    at System.Linq.Parallel.SortQueryOperatorResults`2[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].GivePartitionedStream(IPartitionedStreamRecipient`1 recipient)
[22:43:06] info:    at System.Linq.Parallel.QueryOperator`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].GetOpenedEnumerator(Nullable`1 mergeOptions, Boolean suppressOrder, Boolean forEffect, QuerySettings querySettings)
[22:43:06] info:    at System.Linq.Parallel.QueryOpeningEnumerator`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].OpenQuery()
[22:43:06] info:    at System.Linq.Parallel.QueryOpeningEnumerator`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNext()
[22:43:06] info:    at System.Linq.Parallel.Tests.OrderByThenByTests.<>c__DisplayClass42_0.<OrderBy_ThreadedDeadlock>b__1()
[22:43:06] info: ----- Inner Stack Trace -----
[22:43:06] info:    at System.Threading.Thread.AssureBlockingPossible()
[22:43:06] info:    at System.Threading.Monitor.Wait(Object obj, Int32 millisecondsTimeout)
[22:43:06] info:    at System.Threading.ManualResetEventSlim.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[22:43:06] info:    at System.Threading.Tasks.Task.SpinThenBlockingWait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[22:43:06] info:    at System.Threading.Tasks.Task.InternalRunSynchronously(TaskScheduler scheduler, Boolean waitForCompletion)
[22:43:11] info: STATE CUE CARD: (? means a positive number, usually 1 or 2, * means any number)
[22:43:11] info: 	0x0	- starting (GOOD, unless the thread is running managed code)
[22:43:11] info: 	0x1	- detached (GOOD, unless the thread is running managed code)
[22:43:11] info: 	0x2	- running (BAD, unless it's the gc thread)
[22:43:11] info: 	0x?03	- async suspended (GOOD)
[22:43:11] info: 	0x?04	- self suspended (GOOD)
[22:43:11] info: 	0x?05	- async suspend requested (BAD)
[22:43:11] info: 	0x6	- blocking (BAD, unless there's no suspend initiator)
[22:43:11] info: 	0x?07	- blocking async suspended (GOOD)
[22:43:11] info: 	0x?08	- blocking self suspended (GOOD)
[22:43:11] info: 	0x?09	- blocking suspend requested (GOOD in coop; BAD in hybrid)
[22:43:11] info: --thread 0x347e368 id 0xdc96c [0] state 109
[22:43:11] info: --thread 0x2085b38 id 0x1b7cad0 [0] state 2  GC INITIATOR
[22:43:11] info: --thread 0x5551900 id 0x36276b8 [0] state 109
[22:43:11] info: --thread 0x382e7d8 id 0x3936d48 [0] state 108
[22:43:11] info: --thread 0x3b3bb48 id 0x3c58ce0 [0] state 6
[22:43:11] info: --thread 0x5a48f80 id 0x72cf068 [0] state 105
[22:43:11] info: WAITING for 1 threads, got 0 suspended
[22:43:11] fail: [0x01b7cad0-dpty 22:43:11.329] [MONO] /__w/1/s/src/mono/mono/utils/mono-threads.c:330 <disabled>

Author:	pavelsavara
Assignees:	-
Labels:	arch-wasm, blocking-clean-ci, area-VM-threading-mono, Known Build Error, os-browser
Milestone:	9.0.0

[lambdageek]

This has the same flavor as #81211

[pavelsavara]

It only happens when unit tests are running on deputy thread and throw PNSE from .Wait and I guess we are not handling the exception gracefully. InvalidCastException is strange thou.

This one is bit better log

[16:52:13] info: [FAIL] System.Linq.Parallel.Tests.ExchangeTests.Merge_Ordered_Pipelining(labeled: ThrowOnEnumeration 4, count: 4, options: FullyBuffered)
[16:52:13] info: System.Threading.Tasks.TaskSchedulerException : An exception was thrown by a TaskScheduler.
[16:52:13] info: ---- System.PlatformNotSupportedException : Blocking wait is not supported on the JS interop threads.
[16:52:13] info:    at System.Threading.Tasks.Task.InternalRunSynchronously(TaskScheduler scheduler, Boolean waitForCompletion)
[16:52:13] info:    at System.Linq.Parallel.OrderPreservingSpoolingTask`2[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Spool(QueryTaskGroupState groupState, PartitionedStream`2 partitions, Shared`1 results, TaskScheduler taskScheduler)
[16:52:13] info:    at System.Linq.Parallel.OrderPreservingMergeHelper`2[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].System.Linq.Parallel.IMergeHelper<TInputOutput>.Execute()
[16:52:13] info:    at System.Linq.Parallel.MergeExecutor`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Execute[Int32](PartitionedStream`2 partitions, Boolean ignoreOutput, ParallelMergeOptions options, TaskScheduler taskScheduler, Boolean isOrdered, CancellationState cancellationState, Int32 queryId)
[16:52:13] info:    at System.Linq.Parallel.PartitionedStreamMerger`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Receive[Int32](PartitionedStream`2 partitionedStream)
[16:52:13] info:    at System.Linq.Parallel.FirstQueryOperator`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].WrapHelper[Int32](PartitionedStream`2 inputStream, IPartitionedStreamRecipient`1 recipient, QuerySettings settings)
[16:52:13] info:    at System.Linq.Parallel.FirstQueryOperator`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].WrapPartitionedStream[Int32](PartitionedStream`2 inputStream, IPartitionedStreamRecipient`1 recipient, Boolean preferStriping, QuerySettings settings)
[16:52:13] info:    at System.Linq.Parallel.UnaryQueryOperator`2.UnaryQueryOperatorResults.ChildResultsRecipient[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Receive[Int32](PartitionedStream`2 inputStream)
[16:52:13] info:    at System.Linq.Parallel.ScanQueryOperator`1.ScanEnumerableQueryOperatorResults[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].GivePartitionedStream(IPartitionedStreamRecipient`1 recipient)
[16:52:13] info:    at System.Linq.Parallel.UnaryQueryOperator`2.UnaryQueryOperatorResults[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].GivePartitionedStream(IPartitionedStreamRecipient`1 recipient)
[16:52:13] info:    at System.Linq.Parallel.QueryOperator`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].GetOpenedEnumerator(Nullable`1 mergeOptions, Boolean suppressOrder, Boolean forEffect, QuerySettings querySettings)
[16:52:13] info:    at System.Linq.Parallel.QueryOpeningEnumerator`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].OpenQuery()
[16:52:13] info:    at System.Linq.Parallel.QueryOpeningEnumerator`1[[System.Int32, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNext()
[16:52:13] info:    at System.Linq.ParallelEnumerable.GetOneWithPossibleDefault[Int32](QueryOperator`1 queryOp, Boolean throwIfTwo, Boolean defaultIfEmpty)
[16:52:13] info:    at System.Linq.ParallelEnumerable.First[Int32](ParallelQuery`1 source)
[16:52:13] info:    at System.Linq.Parallel.Tests.ExchangeTests.Merge_Ordered_Pipelining(Labeled`1 labeled, Int32 count, ParallelMergeOptions options)
[16:52:13] info:    at System.Object.InvokeStub_ExchangeTests.Merge_Ordered_Pipelining(Object , Span`1 )
[16:52:13] info:    at System.Reflection.MethodBaseInvoker.InvokeWithFewArgs(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
[16:52:13] info: ----- Inner Stack Trace -----
[16:52:13] info:    at System.Threading.Thread.AssureBlockingPossible()
[16:52:13] info:    at System.Threading.Monitor.Wait(Object obj, Int32 millisecondsTimeout)
[16:52:13] info:    at System.Threading.ManualResetEventSlim.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[16:52:13] info:    at System.Threading.Tasks.Task.SpinThenBlockingWait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[16:52:13] info:    at System.Threading.Tasks.Task.InternalRunSynchronously(TaskScheduler scheduler, Boolean waitForCompletion)
[16:52:13] warn: 
[16:52:13] warn: Unhandled Exception:
[16:52:13] warn: System.InvalidCastException: Specified cast is not valid.
[16:52:13] warn:    at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
[16:52:13] warn:    at System.Threading.Tasks.Task.FinishStageThree()
[16:52:13] warn:    at System.Threading.Tasks.Task.FinishStageTwo()
[16:52:13] warn:    at System.Threading.Tasks.Task.ProcessChildCompletion(Task childTask)
[16:52:13] warn:    at System.Threading.Tasks.Task.NotifyParentIfPotentiallyAttachedTask()
[16:52:13] warn:    at System.Threading.Tasks.Task.FinishStageThree()
[16:52:13] warn:    at System.Threading.Tasks.Task.FinishStageTwo()
[16:52:13] warn:    at System.Threading.Tasks.Task.FinishSlow(Boolean userDelegateExecute)
[16:52:13] warn:    at System.Threading.Tasks.Task.Finish(Boolean userDelegateExecute)
[16:52:13] warn:    at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
[16:52:13] warn:    at System.Threading.Tasks.Task.ExecuteEntryUnsafe(Thread threadPoolThread)
[16:52:13] warn:    at System.Threading.Tasks.Task.ExecuteFromThreadPool(Thread threadPoolThread)
[16:52:13] warn:    at System.Threading.ThreadPoolWorkQueue.Dispatch()
[16:52:13] warn:    at System.Threading.PortableThreadPool.WorkerThread.WorkLoopSemaphoreSuccess(LowLevelLifoAsyncWaitSemaphore semaphore, Object stateObject)
[16:52:13] warn:    at System.Threading.LowLevelLifoAsyncWaitSemaphore.PrepareAsyncWait(Int32 timeoutMs, Action`2 onSuccess, Action`2 onTimeout, Object state)
[16:52:13] warn:    at System.Threading.PortableThreadPool.WorkerThread.WaitForWorkLoop(LowLevelLifoAsyncWaitSemaphore semaphore, SemaphoreWaitState state)
[16:52:13] warn:    at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()