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Visual Studio Debugger error dialog: "To prevent an unsafe abort when evaluating the function *.__DebugDisplay" all threads where allowed to run. #18305

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smoothdeveloper opened this issue Feb 10, 2025 · 3 comments
Open

Visual Studio Debugger error dialog: "To prevent an unsafe abort when evaluating the function *.__DebugDisplay" all threads where allowed to run. #18305

smoothdeveloper opened this issue Feb 10, 2025 · 3 comments
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Area-Debug stepping, debug points, stacks and more Bug Impact-High (Internal MS Team use only) Describes an issue with extreme impact on existing code.
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Backlog

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@smoothdeveloper
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Lately, while. debugging C# code where I have instances of a F# DU, I hit this error dialog:

Image

To prevent an unsafe abort when evaluating the function '*.__.DebugDisplay' all threads were allowed to run. This may have changed the state of the process and any breakpoints encountered have been skipped.

Wondering if anyone has seen this?

Microsoft Visual Studio Community 2022 (64-bit) - Preview
Version 17.13.0 Preview 2.1
@github-actions github-actions bot added this to the Backlog milestone Feb 10, 2025
@T-Gro
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T-Gro commented Feb 10, 2025

I haven't seen it yet, could you please share the F# DU ?

It might have a broken codegen for it's debugging helpers.

@smoothdeveloper
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type ErrorEntry =
  | VisibleError of gridRowIndex: int * gridColumnIndex: int * isError: bool
  | InvisibleError of dataRowIndex: int * dataColumnIndex: int * isError: bool

@smoothdeveloper
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In case it matters, this is while debugging in winforms app.

@0101 0101 added Area-Debug stepping, debug points, stacks and more Impact-High (Internal MS Team use only) Describes an issue with extreme impact on existing code. and removed Needs-Triage labels Feb 10, 2025
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Area-Debug stepping, debug points, stacks and more Bug Impact-High (Internal MS Team use only) Describes an issue with extreme impact on existing code.
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F# Compiler and Tooling
Status: New
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@smoothdeveloper @0101 @T-Gro