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Add instructions on how to collect user-mode crashes #9275

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Dec 12, 2022
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Add instructions on how to collect user-mode crashes #9275

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21 changes: 21 additions & 0 deletions CONTRIBUTING.md
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Expand Up @@ -201,3 +201,24 @@ Make sure that the email body contains:

- The Github issue number, if any
- That this dump is destinated to the WSL team

### 11) Reporting a WSL process crash

The easiest way to report a WSL process crash is by [collecting a user-mode crash dump](https://learn.microsoft.com/en-us/windows/win32/wer/collecting-user-mode-dumps).

To enable automatic crash dumps, run the following commands in an elevated command prompt:

```
md C:\crashes
reg.exe add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps" /f
reg.exe add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps" /v DumpFolder /t REG_EXPAND_SZ /d C:\crashes /f
reg.exe add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps" /v DumpType /t REG_DWORD /d 2 /f
```

Crash dumps will then automatically be written to C:\crashes.

Once you're done, crash dump collection can be disabled by running the following command in an elevated command prompt:

```
reg.exe delete "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps" /f
```