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System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

Open TrieBr opened this issue 1 year ago • 5 comments

Type: Bug

Issue Description

Every time I open my project in local dev containers or Codespaces, the C# extensions crashes with this error (see logs below). It seems to work for the same repository locally on my MacBook. Both Stable and Pre-release C# extensions crash.

Steps to Reproduce

Open a c# project in Codespaces or Dev containers. I've not been able to make a minimal reproducable example, but the crash happens 100% of the time when opening my project.

Expected Behavior

C# Extension opens the project and works.

Actual Behavior

C# Extension crashes with a memory access violation and stops working.

Logs

C# log

[stderr] Fatal error. [stderr] System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.[stderr] 
[stderr]    at System.Buffer.Memmove(Byte ByRef, Byte ByRef, UIntPtr)[stderr] 
[stderr]    at System.IO.UnmanagedMemoryStream.WriteCore(System.ReadOnlySpan`1<Byte>)[stderr] 
[stderr]    at System.IO.UnmanagedMemoryStream.Write(Byte[], Int32, Int32)[stderr] 
[stderr]    at System.IO.Stream.Write(System.ReadOnlySpan`1<Byte>)[stderr] 
[stderr]    at System.IO.StreamWriter.Flush(Boolean, Boolean)[stderr] 
[stderr]    at System.IO.StreamWriter.Write(Char[], Int32, Int32)[stderr] 
[stderr]    at Microsoft.CodeAnalysis.Text.LargeText.Write(System.IO.TextWriter, Microsoft.CodeAnalysis.Text.TextSpan, System.Threading.CancellationToken)[stderr] 
[stderr]    at Microsoft.CodeAnalysis.Host.TemporaryStorageService.<WriteToTemporaryStorage>g__WriteToMemoryMappedFile|12_0(<>c__DisplayClass12_0 ByRef)
   at Microsoft.CodeAnalysis.Host.TemporaryStorageService+<WriteToTemporaryStorageAsync>d__13.MoveNext()
[stderr]    at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.Host.TemporaryStorageService+<WriteToTemporaryStorageAsync>d__13, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<WriteToTemporaryStorageAsync>d__13 ByRef)
   at Microsoft.CodeAnalysis.Host.TemporaryStorageService+<Microsoft-CodeAnalysis-Host-ITemporaryStorageServiceInternal-WriteToTemporaryStorageAsync>d__11.MoveNext()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.Host.TemporaryStorageService+<Microsoft-CodeAnalysis-Host-ITemporaryStorageServiceInternal-WriteToTemporaryStorageAsync>d__11, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<Microsoft-CodeAnalysis-Host-ITemporaryStorageServiceInternal-WriteToTemporaryStorageAsync>d__11 ByRef)
   at Microsoft.CodeAnalysis.RecoverableTextAndVersion+RecoverableText+<SaveAsync>d__12.MoveNext()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.RecoverableTextAndVersion+RecoverableText+<SaveAsync>d__12, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<SaveAsync>d__12 ByRef)
   at Microsoft.CodeAnalysis.RecoverableTextAndVersion+RecoverableText+<SaveAllAsync>d__27.MoveNext()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.RecoverableTextAndVersion+RecoverableText+<SaveAllAsync>d__27, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<SaveAllAsync>d__27 ByRef)
   at Microsoft.CodeAnalysis.RecoverableTextAndVersion+RecoverableText.SaveAllAsync(Microsoft.CodeAnalysis.Collections.ImmutableSegmentedList`1<System.ValueTuple`2<RecoverableText,Microsoft.CodeAnalysis.Text.SourceText>>, System.Threading.CancellationToken)
   at Roslyn.Utilities.AsyncBatchingWorkQueue`1+<>c__DisplayClass2_0+<<Convert>b__0>d[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNext()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Roslyn.Utilities.AsyncBatchingWorkQueue`1+<>c__DisplayClass2_0+<<Convert>b__0>d[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<<Convert>b__0>d<System.ValueTuple`2<System.__Canon,System.__Canon>> ByRef)
[stderr]    at Roslyn.Utilities.AsyncBatchingWorkQueue`1+<>c__DisplayClass2_0[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].<Convert>b__0(Microsoft.CodeAnalysis.Collections.ImmutableSegmentedList`1<System.ValueTuple`2<System.__Canon,System.__Canon>>, System.Threading.CancellationToken)
   at Roslyn.Utilities.AsyncBatchingWorkQueue`2+<ProcessNextBatchAsync>d__17[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Roslyn.Utilities.VoidResult, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].MoveNext()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Roslyn.Utilities.AsyncBatchingWorkQueue`2+<ProcessNextBatchAsync>d__17[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Roslyn.Utilities.VoidResult, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]], Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<ProcessNextBatchAsync>d__17<System.ValueTuple`2<System.__Canon,System.__Canon>,Roslyn.Utilities.VoidResult> ByRef)
   at Roslyn.Utilities.AsyncBatchingWorkQueue`2[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Roslyn.Utilities.VoidResult, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].ProcessNextBatchAsync()
[stderr]    at Roslyn.Utilities.AsyncBatchingWorkQueue`2+<<AddWork>g__ContinueAfterDelayAsync|15_1>d[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Roslyn.Utilities.VoidResult, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].MoveNext()
   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[Roslyn.Utilities.VoidResult, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35],[Roslyn.Utilities.AsyncBatchingWorkQueue`2+<<AddWork>g__ContinueAfterDelayAsync|15_1>d[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Roslyn.Utilities.VoidResult, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]], Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].MoveNext(System.Threading.Thread)
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading.PortableThreadPool+WorkerThread.WorkerThreadStart()
[Error - 2:35:01 AM] Client Microsoft.CodeAnalysis.LanguageServer: connection to server is erroring. Shutting down server.

C# LSP Trace Logs

Post the output from Output-->C# LSP Trace Logs here. Requires `dotnet.server.trace` to be set to `Trace`

Environment information

VSCode version: 1.89.1 C# Extension: 2.28.11 Using OmniSharp: false

Dotnet Information
.NET SDK:
 Version:           8.0.204
 Commit:            c338c7548c
 Workload version:  8.0.200-manifests.9f663350

Runtime Environment:
 OS Name:     debian
 OS Version:  12
 OS Platform: Linux
 RID:         linux-x64
 Base Path:   /usr/share/dotnet/sdk/8.0.204/

.NET workloads installed:
There are no installed workloads to display.

Host:
  Version:      8.0.4
  Architecture: x64
  Commit:       2d7eea2529

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

.NET runtimes installed:
  Microsoft.AspNetCore.App 8.0.4 [/usr/share/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 8.0.4 [/usr/share/dotnet/shared/Microsoft.NETCore.App]

Other architectures found:
  None

Environment variables:
  Not set

global.json file:
  Not found

Learn more:
  https://aka.ms/dotnet/info

Download .NET:
  https://aka.ms/dotnet/download
Visual Studio Code Extensions
Extension Author Version Folder Name
csdevkit ms-dotnettools 1.5.20 ms-dotnettools.csdevkit-1.5.20-linux-x64
csharp ms-dotnettools 2.28.11 ms-dotnettools.csharp-2.28.11-linux-x64
vscode-dotnet-runtime ms-dotnettools 2.0.5 ms-dotnettools.vscode-dotnet-runtime-2.0.5
vscode-eslint dbaeumer 2.4.4 dbaeumer.vscode-eslint-2.4.4
vscode-pull-request-github GitHub 0.88.1 github.vscode-pull-request-github-0.88.1

Extension version: 2.28.11 VS Code version: Code 1.89.1 (Universal) (dc96b837cf6bb4af9cd736aa3af08cf8279f7685, 2024-05-07T05:14:24.611Z) OS version: Darwin arm64 23.4.0 Modes: Remote OS version: Linux x64 6.5.0-1018-azure Remote OS version: Linux arm64 6.6.12-linuxkit

System Info
Item Value
CPUs Apple M2 Max (12 x 24)
GPU Status 2d_canvas: enabled
canvas_oop_rasterization: enabled_on
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: disabled_off
video_decode: enabled
video_encode: enabled
webgl: enabled
webgl2: enabled
webgpu: enabled
Load (avg) 3, 6, 7
Memory (System) 64.00GB (0.10GB free)
Process Argv --crash-reporter-id f2175c6c-f802-4920-8a42-5dc749a961d3
Screen Reader no
VM 0%
Item Value
Remote Codespaces: cautious space computing-machine
OS Linux x64 6.5.0-1018-azure
CPUs Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz (8 x 799)
Memory (System) 31.33GB (27.49GB free)
VM 0%
Item Value
Remote Dev Container: Eau Claire One @ desktop-linux
OS Linux arm64 6.6.12-linuxkit
CPUs unknown (4 x 0)
Memory (System) 39.85GB (25.61GB free)
VM 0%
A/B Experiments
vsliv368:30146709
vspor879:30202332
vspor708:30202333
vspor363:30204092
tftest:31042121
vscod805cf:30301675
binariesv615:30325510
vsaa593cf:30376535
py29gd2263:31024239
vscaat:30438848
c4g48928:30535728
azure-dev_surveyone:30548225
a9j8j154:30646983
962ge761:30959799
pythongtdpath:30769146
welcomedialogc:30910334
pythonidxpt:30866567
pythonnoceb:30805159
asynctok:30898717
pythontestfixt:30902429
pythonregdiag2:30936856
pyreplss1:30897532
pythonmypyd1:30879173
pythoncet0:30885854
h48ei257:31000450
pythontbext0:30879054
accentitlementsc:30995553
dsvsc016:30899300
dsvsc017:30899301
dsvsc018:30899302
cppperfnew:31000557
dsvsc020:30976470
pythonait:31006305
dsvsc021:30996838
9c06g630:31013171
dvdeprecation:31040881
dwnewjupyter:31039675

TrieBr avatar May 10 '24 02:05 TrieBr

I confirmed it works in 2.10.28, 2.15.30, 2.18.16, 2.23.15. Broken in 2.28.11.

I've reverted 2.23.15. Razor syntax highlighting still doesn't work at all, but at least the whole LSP server doesn't crash and break regular .cs files too.

TrieBr avatar May 10 '24 17:05 TrieBr

Formatting the exception from the logs

[stderr] Fatal error.
[stderr] System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
[stderr] at System.Buffer.Memmove(Byte ByRef, Byte ByRef, UIntPtr)
[stderr] at System.IO.UnmanagedMemoryStream.WriteCore(System.ReadOnlySpan`1)
[stderr] at System.IO.UnmanagedMemoryStream.Write(Byte[], Int32, Int32)
[stderr] at System.IO.Stream.Write(System.ReadOnlySpan`1)
[stderr] at System.IO.StreamWriter.Flush(Boolean, Boolean)
[stderr] at System.IO.StreamWriter.Write(Char[], Int32, Int32)
[stderr] at Microsoft.CodeAnalysis.Text.LargeText.Write(System.IO.TextWriter, Microsoft.CodeAnalysis.Text.TextSpan, System.Threading.CancellationToken)
[stderr] at Microsoft.CodeAnalysis.Host.TemporaryStorageService.g__WriteToMemoryMappedFile|12_0(<>c__DisplayClass12_0 ByRef) 
at Microsoft.CodeAnalysis.Host.TemporaryStorageService+d__13.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.Host.TemporaryStorageService+d__13, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](d__13 ByRef) 
at Microsoft.CodeAnalysis.Host.TemporaryStorageService+d__11.MoveNext() 
at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.Host.TemporaryStorageService+d__11, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](d__11 ByRef) 
at Microsoft.CodeAnalysis.RecoverableTextAndVersion+RecoverableText+d__12.MoveNext() 
at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.RecoverableTextAndVersion+RecoverableText+d__12, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](d__12 ByRef) 
at Microsoft.CodeAnalysis.RecoverableTextAndVersion+RecoverableText+d__27.MoveNext() 
at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.CodeAnalysis.RecoverableTextAndVersion+RecoverableText+d__27, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](d__27 ByRef) 
at Microsoft.CodeAnalysis.RecoverableTextAndVersion+RecoverableText.SaveAllAsync(Microsoft.CodeAnalysis.Collections.ImmutableSegmentedList`1>, System.Threading.CancellationToken) 
at Roslyn.Utilities.AsyncBatchingWorkQueue`1+<>c__DisplayClass2_0+<b__0>d[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNext() 
at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Roslyn.Utilities.AsyncBatchingWorkQueue`1+<>c__DisplayClass2_0+<b__0>d[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](<b__0>d> ByRef) [stderr]
at Roslyn.Utilities.AsyncBatchingWorkQueue`1+<>c__DisplayClass2_0[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].b__0(Microsoft.CodeAnalysis.Collections.ImmutableSegmentedList`1>, System.Threading.CancellationToken) 
at Roslyn.Utilities.AsyncBatchingWorkQueue`2+d__17[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Roslyn.Utilities.VoidResult, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].MoveNext() 
at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Roslyn.Utilities.AsyncBatchingWorkQueue`2+d__17[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Roslyn.Utilities.VoidResult, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]], Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]](d__17,Roslyn.Utilities.VoidResult> ByRef) 
at Roslyn.Utilities.AsyncBatchingWorkQueue`2[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Roslyn.Utilities.VoidResult, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].ProcessNextBatchAsync() [stderr]
at Roslyn.Utilities.AsyncBatchingWorkQueue`2+<g__ContinueAfterDelayAsync|15_1>d[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Roslyn.Utilities.VoidResult, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].MoveNext() 
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) 
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[Roslyn.Utilities.VoidResult, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35],[Roslyn.Utilities.AsyncBatchingWorkQueue`2+<g__ContinueAfterDelayAsync|15_1>d[[System.ValueTuple`2[[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Roslyn.Utilities.VoidResult, Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]], Microsoft.CodeAnalysis.Workspaces, Version=4.11.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].MoveNext(System.Threading.Thread) 
at System.Threading.ThreadPoolWorkQueue.Dispatch() 
at System.Threading.PortableThreadPool+WorkerThread.WorkerThreadStart()
[Error - 2:35:01 AM] Client Microsoft.CodeAnalysis.LanguageServer: connection to server is erroring. Shutting down server.

@TrieBr would you be able to enable crash dump collection by setting dotnet.server.crashDumpPath to a user writeable folder in vscode settings? That should hopefully create a crash dump. You can email the dump to me directly if you don't want to share publicly ([email protected]) image

dibarbet avatar May 16 '24 22:05 dibarbet

@dibarbet Did you receive the crash dump? I'm having the same issue, can generate the crash dump if needed.

gabynevada avatar May 20 '24 15:05 gabynevada

@dibarbet Did you receive the crash dump? I'm having the same issue, can generate the crash dump if needed.

@gabynevada I haven't, if you have one please send it

dibarbet avatar May 20 '24 17:05 dibarbet

Was able to reproduce today on a devcontainer, and figured out the issue thanks to https://github.com/dotnet/runtime/issues/79832

Issue appears to be our usage of memory mapped files - these files are getting stored in /dev/shm in the docker container which by default is given a max size of 64MB. We quickly exceed this value. Can view this in realtime via the command watch --interval=1 df --human-readable /dev/shm to see the usage of /dev/shm slowly go up to 100%, at which point the server crashes.

Currently exploring a fix for the issue, but in the meantime you can start the container with a larger /dev/shm size by passing --shm-size=4G to docker run (or adding "runArgs": ["--shm-size=4G"] to your devcontainer.json

dibarbet avatar May 22 '24 02:05 dibarbet

Amazing when someone has already solved your issue :) I had to reload VS Code every 2 minutes since language server was constantly crashing :(

As in dibarbet's comment I'm developing in containers.

ytimenkov avatar Jul 05 '24 14:07 ytimenkov

Running into the same issue here. Increasing the shm-size does work around the issue at least temporarily. It is unclear if the memory is ever freed though. It seems to continue to grow every time a solution is opened and Used never decreases.

mjrist avatar Jul 09 '24 20:07 mjrist

It is unclear if the memory is ever freed though

The memory used here is likely not going to go away as long as the same solution is opened and the process is active. However I would expect it to fairly quickly hit a steady state and not increase.

dibarbet avatar Jul 09 '24 20:07 dibarbet

Every time we reload the solution (close solution followed by open solution on the same solution) it grows by about 6MB (probably a function of the solution being loaded - ours are typically large). I haven't seen it decrease.

We actually dynamically generate solutions so it is not uncommon for us to reload them.

In any case increasing the limit makes it unlikely for us to run out of space (developer is likely to reload vscode which resets the shm usage). Ideally it wouldn't leak memory though.

mjrist avatar Jul 10 '24 00:07 mjrist

Will not be in this weeks prerelease, but should be in the one after.

dibarbet avatar Jul 15 '24 20:07 dibarbet

This should now be available in v2.41.26 (pre-release).

dibarbet avatar Jul 31 '24 18:07 dibarbet