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NCrunch 3.7 causes VS 2017 to crash if you edit a .NET Core csproj file
b33rdy
#1 Posted : Sunday, May 14, 2017 8:42:05 AM(UTC)
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If NCrunch is enabled and you edit a .csproj file for a .NET Core project and save it, VS crashes.

If NCrunch is disabled, this doesn't happen.

Verions affected:
> NCrunch
> v3.7.0.7
> Visual Studio 2017
> v15.1
> v15.2

Those are the only versions I've tested.

Exception details:

Quote:
Application: devenv.exe
Framework Version: v4.0.30319
Description: The application requested process termination through System.Environment.FailFast(string message).
Message: System.InvalidOperationException: Write lock out-lived by a nested read lock, which is not allowed.
at Microsoft.VisualStudio.Threading.AsyncReaderWriterLock.<DowngradeLockAsync>d__96.MoveNext()
Stack:
at System.Environment.FailFast(System.String, System.Exception)
at Microsoft.VisualStudio.Threading.AsyncReaderWriterLock.OnCriticalFailure(System.Exception)
at Microsoft.VisualStudio.Threading.AsyncReaderWriterLock+<DowngradeLockAsync>d__96.MoveNext()
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[[Microsoft.VisualStudio.Threading.AsyncReaderWriterLock+<DowngradeLockAsync>d__96, Microsoft.VisualStudio.Threading, Version=15.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]](<DowngradeLockAsync>d__96 ByRef)
at Microsoft.VisualStudio.Threading.AsyncReaderWriterLock.DowngradeLockAsync(Awaiter, Boolean, Boolean, System.Threading.Tasks.Task)
at Microsoft.VisualStudio.Threading.AsyncReaderWriterLock.ReleaseAsync(Awaiter, Boolean)
at Microsoft.VisualStudio.Threading.AsyncReaderWriterLock+Awaiter.ReleaseAsync(Boolean)
at Microsoft.VisualStudio.Threading.AsyncReaderWriterLock+Releaser.Dispose()
at Microsoft.VisualStudio.ProjectSystem.ProjectLockService.Microsoft.VisualStudio.ProjectSystem.IProjectLockReleaser.OnDispose(Microsoft.VisualStudio.ProjectSystem.ProjectWriteLockReleaser)
at Microsoft.VisualStudio.ProjectSystem.ProjectWriteLockReleaser.Dispose()
at Microsoft.VisualStudio.ProjectSystem.VS.ReloadableProject+<ReloadProjectAsync>d__14.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.InvokeMoveNext(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run()
at System.Threading.Tasks.AwaitTaskContinuation.InvokeAction(System.Object)
at System.Threading.Tasks.AwaitTaskContinuation.RunCallback(System.Threading.ContextCallback, System.Object, System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation.Run(System.Threading.Tasks.Task, Boolean)
at System.Threading.Tasks.Task.FinishContinuations()
at System.Threading.Tasks.Task.FinishStageThree()
at System.Threading.Tasks.Task`1[[System.Threading.Tasks.VoidTaskResult, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetResult(System.Threading.Tasks.VoidTaskResult)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.Threading.Tasks.VoidTaskResult, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetResult(System.Threading.Tasks.VoidTaskResult)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.Threading.Tasks.VoidTaskResult, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetResult(System.Threading.Tasks.Task`1<System.Threading.Tasks.VoidTaskResult>)
at Microsoft.VisualStudio.ProjectSystem.ProjectLockService+<CheckoutFromSourceControlAsync>d__71.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.InvokeMoveNext(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run()
at System.Threading.Tasks.AwaitTaskContinuation.InvokeAction(System.Object)
at System.Threading.Tasks.AwaitTaskContinuation.RunCallback(System.Threading.ContextCallback, System.Object, System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation.Run(System.Threading.Tasks.Task, Boolean)
at System.Threading.Tasks.Task.FinishContinuations()
at System.Threading.Tasks.Task.FinishStageThree()
at System.Threading.Tasks.Task`1[[System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetResult(Boolean)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetResult(Boolean)
at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.Components.SourceControlIntegration+<CanChangeProjectFilesAsync>d__18.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.InvokeMoveNext(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run()
at System.Threading.Tasks.AwaitTaskContinuation.InvokeAction(System.Object)
at System.Threading.Tasks.AwaitTaskContinuation.RunCallback(System.Threading.ContextCallback, System.Object, System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation.Run(System.Threading.Tasks.Task, Boolean)
at System.Threading.Tasks.Task.FinishContinuations()
at System.Threading.Tasks.Task.FinishStageThree()
at System.Threading.Tasks.Task`1[[System.Threading.Tasks.VoidTaskResult, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetResult(System.Threading.Tasks.VoidTaskResult)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.Threading.Tasks.VoidTaskResult, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetResult(System.Threading.Tasks.VoidTaskResult)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.Threading.Tasks.VoidTaskResult, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetResult(System.Threading.Tasks.Task`1<System.Threading.Tasks.VoidTaskResult>)
at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.Components.SourceControlIntegration+<VerifyThrowCheckoutForEditAsync>d__20.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.InvokeMoveNext(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run()
at System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation+<>c.<.cctor>b__8_0(System.Object)
at Microsoft.VisualStudio.Threading.AsyncReaderWriterLock+NonConcurrentSynchronizationContext+<PostHelper>d__9.MoveNext()
at System.Runtime.CompilerServices.AsyncVoidMethodBuilder.Start[[Microsoft.VisualStudio.Threading.AsyncReaderWriterLock+NonConcurrentSynchronizationContext+<PostHelper>d__9, Microsoft.VisualStudio.Threading, Version=15.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]](<PostHelper>d__9 ByRef)
at Microsoft.VisualStudio.Threading.AsyncReaderWriterLock+NonConcurrentSynchronizationContext.PostHelper(System.Threading.SendOrPostCallback, System.Object)
at Microsoft.VisualStudio.Threading.AsyncReaderWriterLock+NonConcurrentSynchronizationContext+<>c.<Post>b__5_0(System.Object)
at System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
at System.Threading.ThreadPoolWorkQueue.Dispatch()
at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
Remco
#2 Posted : Monday, May 15, 2017 1:08:06 AM(UTC)
Rank: NCrunch Developer

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Hi,

Thanks for sharing this issue. I've managed to reproduce it in the way you've described, it's very consistent.

I hope to have a fix available sometime soon.
1 user thanked Remco for this useful post.
b33rdy on 5/16/2017(UTC)
b33rdy
#3 Posted : Monday, May 15, 2017 7:41:12 AM(UTC)
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Excellent, thanks Remco.
b33rdy
#4 Posted : Saturday, May 20, 2017 12:44:44 PM(UTC)
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Is there any news on this?
Remco
#5 Posted : Saturday, May 20, 2017 11:06:45 PM(UTC)
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I hope to have a fix out for this in the coming week. Sorry for the time it's taken here, this is a very complex area of the product.
1 user thanked Remco for this useful post.
b33rdy on 5/21/2017(UTC)
b33rdy
#6 Posted : Sunday, May 21, 2017 7:50:14 AM(UTC)
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No worries, thanks for the info. I can let my team know too.
Remco
#7 Posted : Monday, May 22, 2017 6:13:55 AM(UTC)
Rank: NCrunch Developer

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3 users thanked Remco for this useful post.
b33rdy on 5/22/2017(UTC), GreenMoose on 5/22/2017(UTC), alastairs on 5/22/2017(UTC)
b33rdy
#8 Posted : Monday, May 22, 2017 6:39:28 AM(UTC)
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2 users thanked b33rdy for this useful post.
Remco on 5/22/2017(UTC), alastairs on 5/22/2017(UTC)
alastairs
#9 Posted : Monday, May 22, 2017 10:35:02 AM(UTC)
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b33rdy;10444 wrote:
Excellent, thanks Remco!

I can confirm this build fixes the issue.


+1 :)
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