System.Exception : Timed out after 10s waiting for 'WASM EXIT' message

[jkotas]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1159552
Build error leg or test failing: NoWebcil-ST-Wasm.Build.Tests.DebugLevelTests.WorkItemExecution
Pull request: #120153

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": "System.Exception : Timed out after 10s waiting for 'WASM EXIT' message",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1159552
Error message validated: [System.Exception : Timed out after 10s waiting for 'WASM EXIT' message]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/28/2025 2:55:33 AM UTC

Report

Build	Definition	Test	Pull Request
1159552	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.DebugLevelTests.WorkItemExecution	#120153

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	1	1

[dotnet-policy-service]

Tagging subscribers to 'arch-wasm': @lewing, @pavelsavara
See info in area-owners.md if you want to be subscribed.

[MihuBot]

I'm a bot. Here are possible related and/or duplicate issues (I may be wrong):

• [browser] NoFingerprint, LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded, timeout #113836
• [browser] Wasm.Build.Tests timeout - Timed out after 10s waiting for 'WASM EXIT' #116697

[pavelsavara]

Duplicate of #116697