Repository navigation
[ci-scan] Test failure: HandleEventShutdownInitiatedByTransport fails with QuicException : The connection timed out from inactivity. #133373
Description
Build Information
Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586034
Build error leg or test failing: net11.0-osx-Debug-x64-Mono_Minijit_Debug-OSX.15.Amd64.Open - System.Net.Quic.Functional.Tests
Pull request: #133361
KBE authoring guidance (ci-failure-scan)
Error Detailsis for readers. The exception and stack trace are included below so the failure is understandable without opening the raw log.- Build Analysis parses only the JSON block under
Error Message. ErrorMessageentries are case-sensitive ordinalString.Containssubstrings copied verbatim from the failing log.BuildRetryis false because this is a recurring test failure rather than a clear infrastructure retry case.
Error Details
System.Net.Quic.Tests.QuicStreamConformanceTests.ConcurrentBidirectionalReadsWrites_Success [FAIL]
System.Net.Quic.QuicException : The connection timed out from inactivity.
at System.Net.Quic.QuicConnection.HandleEventShutdownInitiatedByTransport(_SHUTDOWN_INITIATED_BY_TRANSPORT_e__Struct& data) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicConnection.cs:line 657
at System.Net.Quic.QuicConnection.HandleConnectionEvent(QUIC_CONNECTION_EVENT& connectionEvent) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicConnection.cs:line 771
at System.Net.Quic.QuicConnection.NativeCallback(QUIC_HANDLE* connection, Void* context, QUIC_CONNECTION_EVENT* connectionEvent) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicConnection.cs:line 806
--- End of stack trace from previous location ---
at System.Net.Quic.ValueTaskSource.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16 token) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ValueTaskSource.cs:line 176
at System.Net.Quic.QuicConnection.FinishConnectAsync(QuicClientConnectionOptions options, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicConnection.cs:line 452
at System.Net.Quic.Tests.QuicStreamConformanceTests.CreateConnectedStreamsAsync() in /_/src/libraries/System.Net.Quic/tests/FunctionalTests/QuicStreamConnectedStreamConformanceTests.cs:line 80
at System.IO.Tests.ConnectedStreamConformanceTests.ConcurrentBidirectionalReadsWrites_Success() in /_/src/libraries/Common/tests/StreamConformanceTests/System/IO/StreamConformanceTests.cs:line 2516
This recurred after #105177 was closed. The older #107762 covered the same test hanging rather than this inactivity exception.
Error Message
{
"ErrorMessage": [
"System.Net.Quic.QuicException : The connection timed out from inactivity.",
"at System.Net.Quic.QuicConnection.HandleEventShutdownInitiatedByTransport"
],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}Agentic workflow metadata (ci-failure-scan)
Workflow artifact: ci-failure-scan
Artifact kind: kbe-verification
Verified match count: 1 hit in the failed test result
Note
This issue was generated by GitHub Copilot.
Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586034
Error message validated: [System.Net.Quic.Tests.QuicStreamConformanceTests.ConcurrentBidirectionalReadsWrites_Success System.Net.Quic.QuicException : The connection timed out from inactivity.]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/7/2026 6:15:41 PM UTC
Report
| Build | Repository | Test | Pull Request |
|---|---|---|---|
| 1586034 | dotnet/runtime | System.Net.Quic.Tests.QuicStreamConformanceTests.ConcurrentBidirectionalReadsWrites_Success | #133361 |
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 0 | 1 | 1 |
Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586034
Error message validated: [System.Net.Quic.QuicException : The connection timed out from inactivity. at System.Net.Quic.QuicConnection.HandleEventShutdownInitiatedByTransport]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/9/2026 5:59:06 PM UTC
Report
| Build | Repository | Test | Pull Request |
|---|---|---|---|
| 1586034 | dotnet/runtime | System.Net.Quic.Tests.QuicStreamConformanceTests.ConcurrentBidirectionalReadsWrites_Success | #133361 |
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 0 | 1 | 1 |
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 1 | 10 | 69 |
Activity
dotnet-policy-service commentedon Sep 7, 2026
Tagging subscribers to this area: @karelz, @dotnet/ncl
See info in area-owners.md if you want to be subscribed.
[-][ci-scan] Test failure: System.Net.Quic.Tests.QuicStreamConformanceTests.ConcurrentBidirectionalReadsWrites_Success[/-][+][ci-scan] Test failure: HandleEventShutdownInitiatedByTransport fails with QuicException : The connection timed out from inactivity.[/+][wasm][coreclr] Enable composite ReadyToRun publishing (#134618)