Test failure: MONO_WASM: d8: Error reading module

[sbomer]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1392159
Build error leg or test failing: baseservices-exceptions.MergedTestAssembly.0.1.WorkItemExecution
Pull request: #127302

Error Message

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

{
  "ErrorMessage": "MONO_WASM: d8: Error reading module from",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1392159
Error message validated: [MONO_WASM: d8: Error reading module from]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 4/28/2026 5:49:55 PM UTC

Report

Build	Definition	Test	Pull Request
1400776	dotnet/runtime	threading_group2.MergedTestAssembly.0.1.WorkItemExecution
1400178	dotnet/runtime	threading_group2.MergedTestAssembly.0.1.WorkItemExecution	#127418
1392159	dotnet/runtime	threading_group2.MergedTestAssembly.0.1.WorkItemExecution	#127302

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	3	3

[dotnet-policy-service]

Tagging subscribers to this area: @akoeplinger, @matouskozak, @simonrozsival
See info in area-owners.md if you want to be subscribed.