Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1542869
Build error leg or test failing: System.Net.Sockets.Tests.SendReceive_Apm.TcpReceiveSendGetsCanceledByDispose
Pull request: https://github.com/dotnet/runtime.git/pull/131876
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": ["System.Net.Sockets.Tests.SendReceive_Apm.TcpReceiveSendGetsCanceledByDispose", "System.TimeoutException : The operation has timed out."],
"BuildRetry": false,
"ExcludeConsoleLog": false
} Starting: System.Net.Sockets.Tests (parallel test collections = on [10 threads], stop on fail = off)
System.Net.Sockets.Tests.SendTo_SyncForceNonBlocking.Datagram_UDP_AccessDenied_Throws_DoesNotBind [SKIP]
HostUnreachable indicates missing local network permission; this test might pass or fail depending on the environment. Please verify manually.
System.Net.Sockets.Tests.SocketOptionNameTest.MulticastInterface_Set_AnyInterface_Succeeds [SKIP]
HostUnreachable indicates missing local network permission; this test might pass or fail depending on the environment. Please verify manually.
System.Net.Sockets.Tests.SendTo_Apm.Datagram_UDP_AccessDenied_Throws_DoesNotBind [SKIP]
HostUnreachable indicates missing local network permission; this test might pass or fail depending on the environment. Please verify manually.
System.Net.Sockets.Tests.SendTo_SyncSpanForceNonBlocking.Datagram_UDP_AccessDenied_Throws_DoesNotBind [SKIP]
HostUnreachable indicates missing local network permission; this test might pass or fail depending on the environment. Please verify manually.
System.Net.Sockets.Tests.SendTo_MemoryNativeTask.Datagram_UDP_AccessDenied_Throws_DoesNotBind [SKIP]
HostUnreachable indicates missing local network permission; this test might pass or fail depending on the environment. Please verify manually.
System.Net.Sockets.Tests.SendTo_MemoryArrayTask.Datagram_UDP_AccessDenied_Throws_DoesNotBind [SKIP]
HostUnreachable indicates missing local network permission; this test might pass or fail depending on the environment. Please verify manually.
System.Net.Sockets.Tests.SendTo_CancellableTask.Datagram_UDP_AccessDenied_Throws_DoesNotBind [SKIP]
HostUnreachable indicates missing local network permission; this test might pass or fail depending on the environment. Please verify manually.
System.Net.Sockets.Tests.SendTo_Task.Datagram_UDP_AccessDenied_Throws_DoesNotBind [SKIP]
HostUnreachable indicates missing local network permission; this test might pass or fail depending on the environment. Please verify manually.
System.Net.Sockets.Tests.ConnectEap.Connect_ExposeHandle_FirstAttemptSucceeds(connectMode: "multi") [SKIP]
EAP does not support IPAddress[] connect
System.Net.Sockets.Tests.ConnectEap.MultiConnect_LingerState_Preserved(dnsConnect: False) [SKIP]
EAP does not support IPAddress[] connect
System.Net.Sockets.Tests.CreateSocket.Ctor_Raw_Supported_Success [SKIP]
Condition(s) not met: "SupportsRawSockets"
System.Net.Sockets.Tests.SendTo_Eap.Datagram_UDP_AccessDenied_Throws_DoesNotBind [SKIP]
HostUnreachable indicates missing local network permission; this test might pass or fail depending on the environment. Please verify manually.
System.Net.Sockets.Tests.SendTo_ArraySync.Datagram_UDP_AccessDenied_Throws_DoesNotBind [SKIP]
HostUnreachable indicates missing local network permission; this test might pass or fail depending on the environment. Please verify manually.
System.Net.Sockets.Tests.SendReceive_Apm.TcpReceiveSendGetsCanceledByDispose(receiveOrSend: False, ipv6Server: False, dualModeClient: False, owning: True) [FAIL]
System.TimeoutException : The operation has timed out.
Stack Trace:
/_/src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/RuntimeAsyncTaskContinuation.cs(139,0): at System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation.GetResult[T](Task task, Byte& result)
/_/src/libraries/System.Net.Sockets/tests/FunctionalTests/SendReceive/SendReceive.cs(1129,0): at System.Net.Sockets.Tests.SendReceive`1.<>c__DisplayClass21_0.<TcpReceiveSendGetsCanceledByDispose>b__0()
/_/src/libraries/Common/tests/TestUtilities/System/RetryHelper.cs(94,0): at System.RetryHelper.ExecuteAsync(Func`1 test, Int32 maxAttempts, Func`2 backoffFunc, Predicate`1 retryWhen, String testName)
at System.RetryHelper.ExecuteAsync(Func`1 test, Int32 maxAttempts, Func`2 backoffFunc, Predicate`1 retryWhen, String testName)
/_/src/libraries/System.Net.Sockets/tests/FunctionalTests/SendReceive/SendReceive.cs(1057,0): at System.Net.Sockets.Tests.SendReceive`1.TcpReceiveSendGetsCanceledByDispose(Boolean receiveOrSend, Boolean ipv6Server, Boolean dualModeClient, Boolean owning)
--- End of stack trace from previous location ---
System.Net.Sockets.Tests.SendTo_SyncSpan.Datagram_UDP_AccessDenied_Throws_DoesNotBind [SKIP]
HostUnreachable indicates missing local network permission; this test might pass or fail depending on the environment. Please verify manually.
System.Net.Sockets.Tests.ConnectEap.MultiConnect_KeepAliveOptionsPreserved(dnsConnect: False) [SKIP]
EAP does not support IPAddress[] connect
System.Net.Sockets.Tests.ConnectEap.MultiConnect_ExposeHandle_TerminatesAtFirstFailure(dnsConnect: False) [SKIP]
EAP does not support IPAddress[] connect
System.Net.Sockets.Tests.ConnectEap.MultiConnect_MiscProperties_Preserved(dnsConnect: False) [SKIP]
EAP does not support IPAddress[] connect
System.Net.Sockets.Tests.ConnectEap.MultiConnect_DualMode_Preserved [SKIP]
EAP does not support IPAddress[] connect
Finished: System.Net.Sockets.Tests
This looks like a duplicate of #56580, which was closed because it didn't seem to be occurring at the time.
Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1542869
Error message validated: [System.Net.Sockets.Tests.SendReceive_Apm.TcpReceiveSendGetsCanceledByDispose System.TimeoutException : The operation has timed out.]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 8/7/2026 9:52:06 AM UTC
Report
Summary
| 24-Hour Hit Count |
7-Day Hit Count |
1-Month Count |
| 6 |
9 |
9 |
Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1542869
Build error leg or test failing: System.Net.Sockets.Tests.SendReceive_Apm.TcpReceiveSendGetsCanceledByDispose
Pull request: https://github.com/dotnet/runtime.git/pull/131876
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": ["System.Net.Sockets.Tests.SendReceive_Apm.TcpReceiveSendGetsCanceledByDispose", "System.TimeoutException : The operation has timed out."], "BuildRetry": false, "ExcludeConsoleLog": false }This looks like a duplicate of #56580, which was closed because it didn't seem to be occurring at the time.
Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1542869
Error message validated:
[System.Net.Sockets.Tests.SendReceive_Apm.TcpReceiveSendGetsCanceledByDispose System.TimeoutException : The operation has timed out.]Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 8/7/2026 9:52:06 AM UTC
Report
Summary