Rare flaky timeout in CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated

[svick]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1474872
Build error leg or test failing: Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated
Pull request: #129405

Error Message

DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.

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

{
  "ErrorMessage": ["CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated", "System.TimeoutException : The operation has timed out."],
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1474872
Error message validated: [CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated System.TimeoutException : The operation has timed out.]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 6/22/2026 9:44:00 AM UTC

Report

Build	Repository	Test	Pull Request
1476901	dotnet/runtime	Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated	#128652
1476799	dotnet/runtime	Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated
1476724	dotnet/runtime	Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated	#129729
1476562	dotnet/runtime	Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated	#129502
1476532	dotnet/runtime	Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated	#129726
1476465	dotnet/runtime	Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated	#129267
1476426	dotnet/runtime	Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated	#129721
1476271	dotnet/runtime	Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated	#127502
1475930	dotnet/runtime	Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated	#129147
3005731	dotnet-runtime	Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated
1475080	dotnet/runtime	Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated	#129299
1475071	dotnet/runtime	Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated	#129412
1474872	dotnet/runtime	Microsoft.Extensions.FileProviders.Physical.Tests.PhysicalFilesWatcherTests.CreateFileChangeToken_RootDeletedAndRecreated_TokenFiresWhenFileCreated	#129405

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
10	13	13