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bug  #9307

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Open
bug #9307
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C#DKThe C#DK extension is installeduntriaged
@kevin-1688

Description

@kevin-1688
kevin-1688
opened on May 14, 2026

Type: Bug

Issue Description

Steps to Reproduce

Expected Behavior

Actual Behavior

Extension version: 2.130.5
VS Code version: Code 1.117.0 (Universal) (10c8e557c8b9f9ed0a87f61f1c9a44bde731c409, 2026-04-21T16:12:14-07:00)
OS version: Darwin arm64 25.4.0
Modes:

Logs

C# log

Details 
2026-05-14 19:09:36.278 [info] Locating .NET runtime version 10.0.5
2026-05-14 19:09:36.967 [info] Dotnet path: /Users/zhangkaixiang/Library/Application Support/Code/User/globalStorage/ms-dotnettools.vscode-dotnet-runtime/.dotnet/10.0.8~arm64~aspnetcore/dotnet
2026-05-14 19:09:36.967 [info] Activating C# + C# Dev Kit...
2026-05-14 19:09:37.771 [info] info: Program[0]
2026-05-14 19:09:37.771 [info]       Server started with process ID 35180
2026-05-14 19:09:38.763 [info] [Program] Language server initialized
2026-05-14 19:09:38.784 [info] [Program] Monitoring client process 35043 for exit
2026-05-14 19:09:48.633 [info] [textDocument/_vs_getProjectContexts] [Microsoft.CodeAnalysis.MSBuild.BuildHostProcessManager] .NET BuildHost started from /Users/zhangkaixiang/.vscode/extensions/ms-dotnettools.csharp-2.130.5-darwin-arm64/.roslyn/Microsoft.CodeAnalysis.LanguageServer reloading to start from /usr/local/share/dotnet/dotnet to match necessary SDK location.
2026-05-14 19:09:50.248 [warning] [textDocument/_vs_getProjectContexts] [LanguageServerProjectLoader] Project /var/folders/83/r8n61yzs0s9fgm_rz5mvlf8c0000gn/T/roslyn-canonical-misc/0742222c-f14b-403b-917b-05692901c747/Canonical.csproj has unresolved dependencies
2026-05-14 19:09:50.313 [info] [textDocument/_vs_getProjectContexts] [LanguageServerProjectLoader] Successfully completed load of /var/folders/83/r8n61yzs0s9fgm_rz5mvlf8c0000gn/T/roslyn-canonical-misc/0742222c-f14b-403b-917b-05692901c747/Canonical.cs
2026-05-14 19:09:50.317 [info] [textDocument/_vs_getProjectContexts] [LanguageServerProjectLoader] Restoring Canonical.cs: Running dotnet restore on /var/folders/83/r8n61yzs0s9fgm_rz5mvlf8c0000gn/T/roslyn-canonical-misc/0742222c-f14b-403b-917b-05692901c747/Canonical.cs
2026-05-14 19:09:50.390 [info] [textDocument/_vs_getProjectContexts] [Microsoft.CodeAnalysis.LanguageServer.DotnetCliHelper] Using dotnet executable configured on the PATH
2026-05-14 19:09:50.487 [info] [textDocument/_vs_getProjectContexts] [LanguageServerProjectLoader] Restoring Canonical.cs: /var/folders/83/r8n61yzs0s9fgm_rz5mvlf8c0000gn/T/roslyn-canonical-misc/0742222c-f14b-403b-917b-05692901c747/Canonical.cs : error MSB4025: The project file could not be loaded. Root element is missing.
2026-05-14 19:09:50.632 [info] [textDocument/_vs_getProjectContexts] [LanguageServerProjectLoader] Restoring Canonical.cs: Failed to run restore on /var/folders/83/r8n61yzs0s9fgm_rz5mvlf8c0000gn/T/roslyn-canonical-misc/0742222c-f14b-403b-917b-05692901c747/Canonical.cs
2026-05-14 19:09:50.851 [info] [textDocument/_vs_getProjectContexts] [LanguageServerProjectLoader] Restore complete
2026-05-14 19:09:51.094 [info] [textDocument/_vs_getProjectContexts] [LanguageServerProjectLoader] Completed (re)load of all projects in 00:00:01.4019456
2026-05-14 21:54:08.999 [error] Process terminated.
2026-05-14 21:54:09.000 [error] System.IO.FileNotFoundException: Could not load file or assembly 'System.Diagnostics.StackTrace, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.
2026-05-14 21:54:09.000 [error] 
2026-05-14 21:54:09.000 [error] File name: 'System.Diagnostics.StackTrace, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
2026-05-14 21:54:09.000 [error]    at Microsoft.CodeAnalysis.LanguageServer.Logging.RoslynLogger.GetDescription(Exception exception)
2026-05-14 21:54:09.000 [error]    at Microsoft.CodeAnalysis.LanguageServer.Logging.RoslynLogger.ReportFault(Exception exception, ErrorSeverity severity, Boolean forceDump)
2026-05-14 21:54:09.001 [error]    at System.Environment.FailFast(System.Runtime.CompilerServices.StackCrawlMarkHandle, System.String, System.Runtime.CompilerServices.ObjectHandleOnStack, System.String)
2026-05-14 21:54:09.001 [error]    at System.Environment.FailFast(System.Threading.StackCrawlMark ByRef, System.String, System.Exception, System.String)
2026-05-14 21:54:09.001 [error]    at System.Environment.FailFast(System.String, System.Exception)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.ErrorReporting.FailFast.OnFatalException(System.Exception)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.LanguageServer.Logging.RoslynLogger.ReportFault(System.Exception, Microsoft.CodeAnalysis.ErrorReporting.ErrorSeverity, Boolean)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.ErrorReporting.FatalError.Report(System.Exception, Microsoft.CodeAnalysis.ErrorReporting.ErrorSeverity, Boolean)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.ExternalAccess.Copilot.Internal.Analyzer.CSharp.CSharpCopilotCodeAnalysisService..ctor(Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpCopilotCodeAnalysisService, Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpCopilotGenerateDocumentationService, Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpOnTheFlyDocsService, Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpCopilotGenerateImplementationService, Microsoft.CodeAnalysis.Diagnostics.IDiagnosticsRefresher)
2026-05-14 21:54:09.001 [error]    at System.RuntimeMethodHandle.InvokeMethod(System.Runtime.CompilerServices.ObjectHandleOnStack, Void**, System.Runtime.CompilerServices.ObjectHandleOnStack, BOOL, System.Runtime.CompilerServices.ObjectHandleOnStack)
2026-05-14 21:54:09.001 [error]    at System.RuntimeMethodHandle.InvokeMethod(System.Runtime.CompilerServices.ObjectHandleOnStack, Void**, System.Runtime.CompilerServices.ObjectHandleOnStack, BOOL, System.Runtime.CompilerServices.ObjectHandleOnStack)
2026-05-14 21:54:09.001 [error]    at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Constructor(System.Object, IntPtr*)
2026-05-14 21:54:09.001 [error]    at System.Reflection.MethodBaseInvoker.InvokeWithManyArgs(System.Object, System.Reflection.BindingFlags, System.Reflection.Binder, System.Object[], System.Globalization.CultureInfo)
2026-05-14 21:54:09.001 [error]    at System.Reflection.RuntimeConstructorInfo.Invoke(System.Reflection.BindingFlags, System.Reflection.Binder, System.Object[], System.Globalization.CultureInfo)
2026-05-14 21:54:09.001 [error]    at Microsoft.VisualStudio.Composition.RuntimeExportProviderFactory+RuntimeExportProvider+RuntimePartLifecycleTracker.CreateValue()
2026-05-14 21:54:09.001 [error]    at Microsoft.VisualStudio.Composition.ExportProvider+PartLifecycleTracker.Create()
2026-05-14 21:54:09.001 [error]    at Microsoft.VisualStudio.Composition.ExportProvider+<>c__DisplayClass64_0.<CreateExport>b__0()
2026-05-14 21:54:09.001 [error]    at Microsoft.VisualStudio.Composition.ExportProvider+<>c__DisplayClass53_3.<GetExports>b__5()
2026-05-14 21:54:09.001 [error]    at System.Lazy`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].ViaFactory(System.Threading.LazyThreadSafetyMode)
2026-05-14 21:54:09.001 [error]    at System.Lazy`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].CreateValue()
2026-05-14 21:54:09.001 [error]    at System.Lazy`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].ViaFactory(System.Threading.LazyThreadSafetyMode)
2026-05-14 21:54:09.001 [error]    at System.Lazy`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].CreateValue()
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.Host.Mef.MefLanguageServices.GetService[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]]()
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.CSharp.QuickInfo.CSharpSemanticQuickInfoProvider+<GetOnTheFlyDocsInfoWorkerAsync>d__8.MoveNext()
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.CSharp.QuickInfo.CSharpSemanticQuickInfoProvider+<GetOnTheFlyDocsInfoWorkerAsync>d__8, Microsoft.CodeAnalysis.CSharp.Features, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetOnTheFlyDocsInfoWorkerAsync>d__8 ByRef)
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Start[[Microsoft.CodeAnalysis.CSharp.QuickInfo.CSharpSemanticQuickInfoProvider+<GetOnTheFlyDocsInfoWorkerAsync>d__8, Microsoft.CodeAnalysis.CSharp.Features, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetOnTheFlyDocsInfoWorkerAsync>d__8 ByRef)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.CSharp.QuickInfo.CSharpSemanticQuickInfoProvider.GetOnTheFlyDocsInfoWorkerAsync(Microsoft.CodeAnalysis.QuickInfo.QuickInfoContext, System.Threading.CancellationToken)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.CSharp.QuickInfo.CSharpSemanticQuickInfoProvider+<GetOnTheFlyDocsInfoAsync>d__7.MoveNext()
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.CSharp.QuickInfo.CSharpSemanticQuickInfoProvider+<GetOnTheFlyDocsInfoAsync>d__7, Microsoft.CodeAnalysis.CSharp.Features, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetOnTheFlyDocsInfoAsync>d__7 ByRef)
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Start[[Microsoft.CodeAnalysis.CSharp.QuickInfo.CSharpSemanticQuickInfoProvider+<GetOnTheFlyDocsInfoAsync>d__7, Microsoft.CodeAnalysis.CSharp.Features, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetOnTheFlyDocsInfoAsync>d__7 ByRef)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.CSharp.QuickInfo.CSharpSemanticQuickInfoProvider.GetOnTheFlyDocsInfoAsync(Microsoft.CodeAnalysis.QuickInfo.QuickInfoContext, System.Threading.CancellationToken)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.QuickInfo.CommonSemanticQuickInfoProvider+<BuildQuickInfoAsync>d__1.MoveNext()
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.QuickInfo.CommonSemanticQuickInfoProvider+<BuildQuickInfoAsync>d__1, Microsoft.CodeAnalysis.Features, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<BuildQuickInfoAsync>d__1 ByRef)
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Start[[Microsoft.CodeAnalysis.QuickInfo.CommonSemanticQuickInfoProvider+<BuildQuickInfoAsync>d__1, Microsoft.CodeAnalysis.Features, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<BuildQuickInfoAsync>d__1 ByRef)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.QuickInfo.CommonSemanticQuickInfoProvider.BuildQuickInfoAsync(Microsoft.CodeAnalysis.QuickInfo.QuickInfoContext, Microsoft.CodeAnalysis.SyntaxToken)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.QuickInfo.CommonQuickInfoProvider+<GetQuickInfoAsync>d__6.MoveNext()
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.QuickInfo.CommonQuickInfoProvider+<GetQuickInfoAsync>d__6, Microsoft.CodeAnalysis.Features, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetQuickInfoAsync>d__6 ByRef)
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Start[[Microsoft.CodeAnalysis.QuickInfo.CommonQuickInfoProvider+<GetQuickInfoAsync>d__6, Microsoft.CodeAnalysis.Features, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetQuickInfoAsync>d__6 ByRef)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.QuickInfo.CommonQuickInfoProvider.GetQuickInfoAsync(Microsoft.CodeAnalysis.QuickInfo.QuickInfoContext, Microsoft.CodeAnalysis.SyntaxToken)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.QuickInfo.CommonQuickInfoProvider+<GetQuickInfoAsync>d__2.MoveNext()
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.QuickInfo.CommonQuickInfoProvider+<GetQuickInfoAsync>d__2, Microsoft.CodeAnalysis.Features, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetQuickInfoAsync>d__2 ByRef)
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Start[[Microsoft.CodeAnalysis.QuickInfo.CommonQuickInfoProvider+<GetQuickInfoAsync>d__2, Microsoft.CodeAnalysis.Features, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetQuickInfoAsync>d__2 ByRef)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.QuickInfo.CommonQuickInfoProvider.GetQuickInfoAsync(Microsoft.CodeAnalysis.QuickInfo.QuickInfoContext)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.Extensions.IExtensionManagerExtensions+<PerformFunctionAsync>d__3`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNext()
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.Extensions.IExtensionManagerExtensions.PerformFunctionAsync[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.CodeAnalysis.Extensions.IExtensionManager, System.Object, System.Func`2<System.Threading.CancellationToken,System.Threading.Tasks.Task`1<System.__Canon>>, System.__Canon, System.Threading.CancellationToken)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.QuickInfo.QuickInfoServiceWithProviders+<GetQuickInfoAsync>d__4.MoveNext()
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.QuickInfo.QuickInfoServiceWithProviders+<GetQuickInfoAsync>d__4, Microsoft.CodeAnalysis.Features, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetQuickInfoAsync>d__4 ByRef)
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Start[[Microsoft.CodeAnalysis.QuickInfo.QuickInfoServiceWithProviders+<GetQuickInfoAsync>d__4, Microsoft.CodeAnalysis.Features, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetQuickInfoAsync>d__4 ByRef)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.QuickInfo.QuickInfoServiceWithProviders.GetQuickInfoAsync(Microsoft.CodeAnalysis.Document, Int32, Microsoft.CodeAnalysis.LanguageService.SymbolDescriptionOptions, System.Threading.CancellationToken)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.LanguageServer.Handler.HoverHandler+<GetHoverAsync>d__10.MoveNext()
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.LanguageServer.Handler.HoverHandler+<GetHoverAsync>d__10, Microsoft.CodeAnalysis.LanguageServer.Protocol, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetHoverAsync>d__10 ByRef)
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Start[[Microsoft.CodeAnalysis.LanguageServer.Handler.HoverHandler+<GetHoverAsync>d__10, Microsoft.CodeAnalysis.LanguageServer.Protocol, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetHoverAsync>d__10 ByRef)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.LanguageServer.Handler.HoverHandler.GetHoverAsync(Microsoft.CodeAnalysis.Document, Int32, Microsoft.CodeAnalysis.LanguageService.SymbolDescriptionOptions, Boolean, Boolean, System.Threading.CancellationToken)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.LanguageServer.Handler.HoverHandler+<GetHoverAsync>d__9.MoveNext()
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.LanguageServer.Handler.HoverHandler+<GetHoverAsync>d__9, Microsoft.CodeAnalysis.LanguageServer.Protocol, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetHoverAsync>d__9 ByRef)
2026-05-14 21:54:09.001 [error]    at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Start[[Microsoft.CodeAnalysis.LanguageServer.Handler.HoverHandler+<GetHoverAsync>d__9, Microsoft.CodeAnalysis.LanguageServer.Protocol, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<GetHoverAsync>d__9 ByRef)
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.LanguageServer.Handler.HoverHandler.GetHoverAsync(Microsoft.CodeAnalysis.Document, Microsoft.CodeAnalysis.Text.LinePosition, Microsoft.CodeAnalysis.Options.IGlobalOptionService, Boolean, Boolean, System.Threading.CancellationToken)
2026-05-14 21:54:09.001 [error]    at Microsoft.CommonLanguageServerProtocol.Framework.QueueItem`1+<StartRequestAsync>d__17`2[[Microsoft.CodeAnalysis.LanguageServer.Handler.RequestContext, Microsoft.CodeAnalysis.LanguageServer.Protocol, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35],[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNext()
2026-05-14 21:54:09.001 [error]    at Microsoft.CommonLanguageServerProtocol.Framework.QueueItem`1[[Microsoft.CodeAnalysis.LanguageServer.Handler.RequestContext, Microsoft.CodeAnalysis.LanguageServer.Protocol, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].StartRequestAsync[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.__Canon, Microsoft.CodeAnalysis.LanguageServer.Handler.RequestContext, Microsoft.CommonLanguageServerProtocol.Framework.IMethodHandler, System.String, System.Threading.CancellationToken)
2026-05-14 21:54:09.001 [error]    at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1+<>c__DisplayClass18_0`2[[Microsoft.CodeAnalysis.LanguageServer.Handler.RequestContext, Microsoft.CodeAnalysis.LanguageServer.Protocol, Version=5.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35],[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].<ProcessQueueCoreAsync>b__1()
2026-05-14 21:54:09.001 [error]    at System.Threading.Tasks.Task`1[[System.__Canon, System.Private.CoreLib, Version=10.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].InnerInvoke()
2026-05-14 21:54:09.001 [error]    at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(System.Threading.Thread, System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)
2026-05-14 21:54:09.001 [error]    at System.Threading.Tasks.Task.ExecuteWithThreadLocal(System.Threading.Tasks.Task ByRef, System.Threading.Thread)
2026-05-14 21:54:09.001 [error]    at System.Threading.ThreadPoolWorkQueue.Dispatch()
2026-05-14 21:54:09.001 [error]    at System.Threading.PortableThreadPool+WorkerThread.WorkerThreadStart()
2026-05-14 21:54:09.001 [error]    at System.Threading.Thread.StartCallback()
2026-05-14 21:54:09.001 [error] System.IO.FileNotFoundException: Could not load file or assembly 'System.Diagnostics.StackTrace, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.
2026-05-14 21:54:09.001 [error] 
2026-05-14 21:54:09.001 [error] File name: 'System.Diagnostics.StackTrace, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
2026-05-14 21:54:09.001 [error]    at Microsoft.CodeAnalysis.LanguageServer.Logging.RoslynLogger.GetDescription(Exception exception)
2026-05-14 21:54:09.131 [info] Connection to server got closed. Server will restart.
2026-05-14 21:54:09.138 [error]    at Microsoft.CodeAnalysis.LanguageServer.Logging.RoslynLogger.ReportFault(Exception exception, ErrorSeverity severity, Boolean forceDump)
2026-05-14 21:54:09.138 [error] Server process exited with signal SIGABRT.
2026-05-14 21:54:09.175 [error] You must install or update .NET to run this application.
2026-05-14 21:54:09.175 [error] 
2026-05-14 21:54:09.175 [error] App: /Users/zhangkaixiang/.vscode/extensions/ms-dotnettools.csharp-2.130.5-darwin-arm64/.roslyn/Microsoft.CodeAnalysis.LanguageServer
2026-05-14 21:54:09.175 [error] Architecture: arm64
2026-05-14 21:54:09.176 [error] Framework: 'Microsoft.NETCore.App', version '10.0.0' (arm64)
2026-05-14 21:54:09.176 [error] .NET location: /usr/local/share/dotnet
2026-05-14 21:54:09.176 [error] 
2026-05-14 21:54:09.176 [error] The following frameworks were found:
2026-05-14 21:54:09.176 [error]   9.0.1 at [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
2026-05-14 21:54:09.176 [error] 
2026-05-14 21:54:09.176 [error] Learn more:
2026-05-14 21:54:09.176 [error] https://aka.ms/dotnet/app-launch-failed
2026-05-14 21:54:09.176 [error] 
2026-05-14 21:54:09.176 [error] To install missing framework, download:
2026-05-14 21:54:09.176 [error] https://aka.ms/dotnet-core-applaunch?framework=Microsoft.NETCore.App&framework_version=10.0.0&arch=arm64&rid=osx-arm64&os=osx.26

C# LSP Trace Logs log

Details

Environment Information

VSCode version: 1.117.0
C# Extension: 2.130.5
Using OmniSharp: false

Dotnet Information .NET SDK: Version: 9.0.102 Commit: cb83cd4923 Workload version: 9.0.100-manifests.43af17c7 MSBuild version: 17.12.18+ed8c6aec5

Runtime Environment:
OS Name: Mac OS X
OS Version: 26.4
OS Platform: Darwin
RID: osx-arm64
Base Path: /usr/local/share/dotnet/sdk/9.0.102/

.NET workloads installed:
There are no installed workloads to display.
Configured to use loose manifests when installing new manifests.

Host:
Version: 9.0.1
Architecture: arm64
Commit: c8acea2262

.NET SDKs installed:
9.0.102 [/usr/local/share/dotnet/sdk]

.NET runtimes installed:
Microsoft.AspNetCore.App 9.0.1 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.NETCore.App 9.0.1 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]

Other architectures found:
None

Environment variables:
Not set

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Visual Studio Code Extensions
Extension Author Version Folder Name
autodocstring njpwerner 0.6.1 njpwerner.autodocstring-0.6.1
claude-code Anthropic 2.1.141 anthropic.claude-code-2.1.141-darwin-arm64
cmake twxs 0.0.17 twxs.cmake-0.0.17
cmake-tools ms-vscode 1.23.52 ms-vscode.cmake-tools-1.23.52
comb-vue duXing 0.1.5 duxing.comb-vue-0.1.5
cpp-devtools ms-vscode 0.5.13 ms-vscode.cpp-devtools-0.5.13
cpptools ms-vscode 1.32.2 ms-vscode.cpptools-1.32.2-darwin-arm64
cpptools-extension-pack ms-vscode 1.5.1 ms-vscode.cpptools-extension-pack-1.5.1
cpptools-themes ms-vscode 2.0.0 ms-vscode.cpptools-themes-2.0.0
csdevkit ms-dotnettools 3.10.14 ms-dotnettools.csdevkit-3.10.14-darwin-arm64
csharp ms-dotnettools 2.130.5 ms-dotnettools.csharp-2.130.5-darwin-arm64
dart-code Dart-Code 3.134.0 dart-code.dart-code-3.134.0
debugger-for-chrome msjsdiag 4.13.0 msjsdiag.debugger-for-chrome-4.13.0
debugpy ms-python 2026.6.0 ms-python.debugpy-2026.6.0-darwin-arm64
docker docker 0.18.0 docker.docker-0.18.0-darwin-arm64
dotenv mikestead 1.0.1 mikestead.dotenv-1.0.1
EditorConfig EditorConfig 0.18.2 editorconfig.editorconfig-0.18.2
es7-react-js-snippets dsznajder 4.4.3 dsznajder.es7-react-js-snippets-4.4.3
fabric8-analytics redhat 0.10.2 redhat.fabric8-analytics-0.10.2
flask-builder RabinHansda 1.1.5 rabinhansda.flask-builder-1.1.5
flask-snippets cstrap 0.1.3 cstrap.flask-snippets-0.1.3
flask-vgs thorcc 0.1.11 thorcc.flask-vgs-0.1.11
flutter Dart-Code 3.134.0 dart-code.flutter-3.134.0
gitlens eamodio 17.12.2 eamodio.gitlens-17.12.2
go golang 0.52.2 golang.go-0.52.2
hardhat-solidity NomicFoundation 0.8.29 nomicfoundation.hardhat-solidity-0.8.29
intellicode-api-usage-examples VisualStudioExptTeam 0.2.9 visualstudioexptteam.intellicode-api-usage-examples-0.2.9
java redhat 1.54.0 redhat.java-1.54.0-darwin-arm64
jinja wholroyd 0.0.8 wholroyd.jinja-0.0.8
jupyter ms-toolsai 2025.9.1 ms-toolsai.jupyter-2025.9.1-darwin-arm64
jupyter-keymap ms-toolsai 1.1.2 ms-toolsai.jupyter-keymap-1.1.2
jupyter-renderers ms-toolsai 1.3.0 ms-toolsai.jupyter-renderers-1.3.0
migrate-java-to-azure vscjava 1.17.1 vscjava.migrate-java-to-azure-1.17.1-darwin-arm64
node-essentials afractal 1.1.0 afractal.node-essentials-1.1.0
path-intellisense christian-kohler 2.10.0 christian-kohler.path-intellisense-2.10.0
powershell ms-vscode 2025.4.0 ms-vscode.powershell-2025.4.0
python ms-python 2026.4.0 ms-python.python-2026.4.0-darwin-arm64
python-environment-manager donjayamanne 1.2.7 donjayamanne.python-environment-manager-1.2.7
python-extended-snippets tushortz 0.0.1 tushortz.python-extended-snippets-0.0.1
python-extension-pack donjayamanne 1.7.0 donjayamanne.python-extension-pack-1.7.0
python-path mgesbert 0.0.14 mgesbert.python-path-0.0.14
quokka-vscode WallabyJs 1.0.757 wallabyjs.quokka-vscode-1.0.757
rainbow-csv mechatroner 3.24.1 mechatroner.rainbow-csv-3.24.1
react-native-react-redux EQuimper 2.0.6 equimper.react-native-react-redux-2.0.6
rust-analyzer rust-lang 0.3.2896 rust-lang.rust-analyzer-0.3.2896-darwin-arm64
search-node-modules jasonnutter 1.3.0 jasonnutter.search-node-modules-1.3.0
solid-bytes BlazeShomida 0.0.4 blazeshomida.solid-bytes-0.0.4
solidity JuanBlanco 0.0.187 juanblanco.solidity-0.0.187
tayyabk993-theme tayyabk993 0.0.1 tayyabk993.tayyabk993-theme-0.0.1
vsc-python-indent KevinRose 1.21.0 kevinrose.vsc-python-indent-1.21.0
vscode-containers ms-azuretools 2.4.4 ms-azuretools.vscode-containers-2.4.4
vscode-django batisteo 1.15.0 batisteo.vscode-django-1.15.0
vscode-docker ms-azuretools 2.0.0 ms-azuretools.vscode-docker-2.0.0
vscode-dotnet-modernize ms-dotnettools 1.0.1119 ms-dotnettools.vscode-dotnet-modernize-1.0.1119
vscode-dotnet-runtime ms-dotnettools 3.0.2 ms-dotnettools.vscode-dotnet-runtime-3.0.2
vscode-eslint dbaeumer 3.0.24 dbaeumer.vscode-eslint-3.0.24
vscode-gradle vscjava 3.17.3 vscjava.vscode-gradle-3.17.3
vscode-hardhat-multichain catalogfi 0.0.6 catalogfi.vscode-hardhat-multichain-0.0.6
vscode-html-css ecmel 2.0.14 ecmel.vscode-html-css-2.0.14
vscode-icontheme-nomo-dark be5invis 1.3.9 be5invis.vscode-icontheme-nomo-dark-1.3.9
vscode-import-cost wix 3.3.0 wix.vscode-import-cost-3.3.0
vscode-java-debug vscjava 0.59.0 vscjava.vscode-java-debug-0.59.0
vscode-java-dependency vscjava 0.27.3 vscjava.vscode-java-dependency-0.27.3
vscode-java-pack vscjava 0.30.5 vscjava.vscode-java-pack-0.30.5
vscode-java-test vscjava 0.45.0 vscjava.vscode-java-test-0.45.0
vscode-java-upgrade vscjava 2.1.2 vscjava.vscode-java-upgrade-2.1.2
vscode-jest Orta 6.4.4 orta.vscode-jest-6.4.4
vscode-jupyter-cell-tags ms-toolsai 0.1.9 ms-toolsai.vscode-jupyter-cell-tags-0.1.9
vscode-jupyter-slideshow ms-toolsai 0.1.6 ms-toolsai.vscode-jupyter-slideshow-0.1.6
vscode-kubernetes-tools ms-kubernetes-tools 1.3.29 ms-kubernetes-tools.vscode-kubernetes-tools-1.3.29
vscode-maven vscjava 0.45.3 vscjava.vscode-maven-0.45.3
vscode-pull-request-github GitHub 0.144.0 github.vscode-pull-request-github-0.144.0
vscode-pylance ms-python 2026.2.1 ms-python.vscode-pylance-2026.2.1
vscode-python-envs ms-python 1.30.0 ms-python.vscode-python-envs-1.30.0-darwin-arm64
vscode-react-native msjsdiag 1.13.0 msjsdiag.vscode-react-native-1.13.0
vscode-typescript-tslint-plugin ms-vscode 1.3.4 ms-vscode.vscode-typescript-tslint-plugin-1.3.4
vscode-yaml redhat 1.23.0 redhat.vscode-yaml-1.23.0
vscodeintellicode VisualStudioExptTeam 1.3.2 visualstudioexptteam.vscodeintellicode-1.3.2
vsliveshare ms-vsliveshare 1.1.122 ms-vsliveshare.vsliveshare-1.1.122
vstuc visualstudiotoolsforunity 1.2.2 visualstudiotoolsforunity.vstuc-1.2.2
vue-format febean 0.1.8 febean.vue-format-0.1.8
C# Settings
Setting Value
preferCSharpExtension false
compilerDiagnosticScope openFiles
analyzerDiagnosticScope openFiles
enableXamlTools true
useServerGC true
System Info
Item Value
CPUs Apple M3 Pro (11 x 2400)
GPU Status 2d_canvas: enabled
GPU0: VENDOR= 0x106b [Google Inc. (Apple)], DEVICE=0x0000 [ANGLE (Apple, ANGLE Metal Renderer: Apple M3 Pro, Version 26.4.1 (Build 25E253))], DRIVER_VENDOR=Apple, DRIVER_VERSION=26.4.1 ACTIVE
Machine model name: Mac
Machine model version: 15.6
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_graphite: enabled_on
trees_in_viz: disabled_off
video_decode: enabled
video_encode: enabled
webgl: enabled
webgl2: enabled
webgpu: enabled
webnn: disabled_off
Load (avg) 5, 4, 4
Memory (System) 18.00GB (0.28GB free)
Process Argv --crash-reporter-id 066ec633-d2c1-4626-bacd-41bf3798b8c0
Screen Reader no
VM 0%
A/B Experiments 
vsliv368cf:30146710
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31463988
aj953862:31281341
4f60g487:31327383
6abeh943:31336334
envsactivate1:31505457
cloudbuttont:31379625
42190218_ostrepl:31403339
ec5jj548:31422691
cp_cls_t_966_ss:31454198
inlinechat_v2_hd992725:31505030
c3h7c220:31478652
38bie571_auto:31426784
cp_cls_c_1081:31454833
conptydll_true:31498968
ia-use-proxy-models-svc:31452481
e9c30283:31461165
test_treatment2:31471001
c9b86496:31447327
idci7584:31464702
e3e4d672:31494082
ei9d7968:31496641
chat:31457767
8hig5102:31480529
7e187181:31503455
i2gc6536:31499202
17hge832:31513033
ghj88844:31499326
ddid_c:31478207
getcmakediagnosticson:31489824
cp_cls_c_1082:31504161
logging_enabled_new:31498466
j0d79568:31499440
nes-extended-cfe-himalia-004:31500446
jb_cp_cls_c_632:31510883
56dj4588:31512888
ha629193:31508444
495e8e63:31509470

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