Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1488062
Build error leg or test failing: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest
Pull request: #129424
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": ["ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest [FAIL]","Timed out"],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1488062
Error message validated: [ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest [FAIL] Timed out]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 6/30/2026 8:39:14 PM UTC
Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1488062
Build error leg or test failing: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest
Pull request: #129424
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": ["ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest [FAIL]","Timed out"], "ErrorPattern": "", "BuildRetry": false, "ExcludeConsoleLog": false }Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1488062
Error message validated:
[ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest [FAIL] Timed out]Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 6/30/2026 8:39:14 PM UTC