Flaky test failure in at StartAndForget_StartsProcessAndReturnsValidPid

[tannergooding]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1384859
Build error leg or test failing: System.Diagnostics.Tests.StartAndForgetTests.StartAndForget_StartsProcessAndReturnsValidPid
Pull request: #127094

Error Message

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

{
  "ErrorMessage": "at System.Diagnostics.Tests.StartAndForgetTests.StartAndForget_StartsProcessAndReturnsValidPid(Boolean useProcessStartInfo) in",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1384859
Error message validated: [at System.Diagnostics.Tests.StartAndForgetTests.StartAndForget_StartsProcessAndReturnsValidPid(Boolean useProcessStartInfo) in]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 4/18/2026 2:59:47 PM UTC

Report

Build	Definition	Test	Pull Request
1385876	dotnet/runtime	System.Diagnostics.Tests.StartAndForgetTests.StartAndForget_StartsProcessAndReturnsValidPid	#127114
1385841	dotnet/runtime	System.Diagnostics.Tests.StartAndForgetTests.StartAndForget_StartsProcessAndReturnsValidPid	#126949
1385798	dotnet/runtime	System.Diagnostics.Tests.StartAndForgetTests.StartAndForget_StartsProcessAndReturnsValidPid	#126975
1385620	dotnet/runtime	System.Diagnostics.Tests.StartAndForgetTests.StartAndForget_StartsProcessAndReturnsValidPid	#127109
1385492	dotnet/runtime	System.Diagnostics.Tests.StartAndForgetTests.StartAndForget_StartsProcessAndReturnsValidPid	#125596
1385393	dotnet/runtime	System.Diagnostics.Tests.StartAndForgetTests.StartAndForget_StartsProcessAndReturnsValidPid	#125129
1384859	dotnet/runtime	System.Diagnostics.Tests.StartAndForgetTests.StartAndForget_StartsProcessAndReturnsValidPid	#127094

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
6	7	7

[dotnet-policy-service]

Tagging subscribers to this area: @dotnet/area-system-diagnostics-process
See info in area-owners.md if you want to be subscribed.