microsoft / microsoft/vscode-cpptools

Failing to start debugger on macOS

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debugger
Dominant language
TypeScript
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Description

Type: Debugger

Describe the bug

  • OS and Version: macOS 10.15.5 (19F101)
  • VS Code Version: 1.46.1
  • C/C++ Extension Version: v0.28.3
  • Other extensions you installed (and if the issue persists after disabling them): I have other extensions, but the issue persists if i disable them all except for the cpptools extension
  • Trying to start the debugger, however nothing happens like a progress indication for a second. This used to work 3-6 months ago.

Additional context
My launch.json contents:

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "(lldb) Launch",
            "type": "cppdbg",
            "request": "launch",
            "program": "${workspaceFolder}/tool",
            "args": [],
            "stopAtEntry": true,
            "cwd": "${workspaceFolder}",
            "environment": [],
            "externalConsole": false,
            "MIMode": "lldb",
            "miDebuggerPath": "/usr/bin/lldb",
            "logging": {
                "trace": true,
                "traceResponse": true,
                "engineLogging": true
            }
        }
    ]
}

Output of code --log trace --verbose when hitting the debug button:

[main 2020-06-25T08:00:41.340Z] menubarService#updateMenubar 1
[11243:0625/100042.272838:INFO:CONSOLE(1670)] "%cTRACE color: #888 onWillActivateByEvent:  onDebug", source: file:///Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js (1670)
[11243:0625/100042.401881:INFO:CONSOLE(1670)] "%cTRACE color: #888 onWillActivateByEvent:  onDebugResolve", source: file:///Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js (1670)
[11243:0625/100042.402678:INFO:CONSOLE(1670)] "%cTRACE color: #888 onWillActivateByEvent:  onDebug", source: file:///Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js (1670)
[11243:0625/100042.423564:INFO:CONSOLE(1670)] "%cTRACE color: #888 onWillActivateByEvent:  onDebug", source: file:///Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js (1670)
[11243:0625/100042.477098:INFO:CONSOLE(1670)] "%cTRACE color: #888 [File Watcher (node.js)] [ADDED] /Users/tobias/Library/Application Support/Code/logs/20200625T100002/ms-vscode.cpptools.txt", source: file:///Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js (1670)
[main 2020-06-25T08:00:42.573Z] menubarService#updateMenubar 1
[11243:0625/100042.702000:INFO:CONSOLE(1670)] "%cTRACE color: #888 [File Watcher (node.js)] >> normalized [ADDED] /Users/tobias/Library/Application Support/Code/logs/20200625T100002/ms-vscode.cpptools.txt", source: file:///Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js (1670)
[11243:0625/100043.924122:INFO:CONSOLE(1670)] "%c  ERR color: #f33 timeout after 1000 ms: Error: timeout after 1000 ms
    at t.RawDebugSession.handleErrorResponse (file:///Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:3160:190)
    at file:///Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:3159:451
    at async t.RawDebugSession.shutdown (file:///Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:3157:536)", source: file:///Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js (1670)
[main 2020-06-25T08:00:44.686Z] menubarService#updateMenubar 1

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the launch.json configuration and reproduce the failure using the reported code --log trace --verbose command. Inspect the generated ms-vscode.cpptools.txt log alongside the timeout output to identify where the debugger startup stops. Done means the reported macOS configuration starts the debugger and provides visible launch progress.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp, macos, vscode
Domain
desktop, devtools
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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