Console log: 'System.Net.Sockets.Tests' from job 986da17b-21c8-4d32-affc-faf3de400ed0 workitem 25a8932f-6836-4b8c-baf8-5fbf93e19d57 (ubuntu.2604.amd64.open.rt) executed on machine a00025C running Linux-7.0.0-1007-azure-x86_64-with-glibc2.43
+ export __TestArchitecture=x64
+ ./RunTests.sh --runtime-path /datadisks/disk1/work/B54F0A2C/p
========================= Begin custom configuration settings ==============================
export __IsXUnitLogCheckerSupported=1
export XUNIT_HIDE_PASSING_OUTPUT_DIAGNOSTICS=1
========================== End custom configuration settings ===============================
----- start Tue Sep 1 02:34:23 AM UTC 2026 =============== To repro directly: =====================================================
pushd .
chmod +rwx System.Net.Sockets.Tests ^&^& ./System.Net.Sockets.Tests -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing -xml testResults.xml 
popd
===========================================================================================================
/datadisks/disk1/work/B54F0A2C/w/AA630990/e /datadisks/disk1/work/B54F0A2C/w/AA630990/e
Running assembly:System.Net.Sockets.Tests, Version=11.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
[SKIP] System.Net.Sockets.Tests.UnixDomainSocketTest.UnixDomainSocketEndPoint_RelativePathDeletesFile
[SKIP] System.Net.Sockets.Tests.CreateSocket.Ctor_Raw_Supported_Success
[SKIP] System.Net.Sockets.Tests.CreateSocket.CtorAndAccept_SocketNotKeptAliveViaInheritance
[SKIP] System.Net.Sockets.Tests.ConnectSyncForceNonBlocking.MultiConnect_ExposeHandle_TerminatesAtFirstFailure(dnsConnect: False)
[SKIP] System.Net.Sockets.Tests.ConnectSyncForceNonBlocking.MultiConnect_ExposeHandle_TerminatesAtFirstFailure(dnsConnect: True)
[SKIP] System.Net.Sockets.Tests.DualModeConnectToDnsEndPoint.DualModeConnect_DnsEndPointToHost_Helper
[SKIP] System.Net.Sockets.Tests.ConnectEap.Connect_ExposeHandle_FirstAttemptSucceeds(connectMode: "multi")
[SKIP] System.Net.Sockets.Tests.ConnectEap.MultiConnect_LingerState_Preserved(dnsConnect: False)
[SKIP] System.Net.Sockets.Tests.ConnectEap.MultiConnect_KeepAliveOptionsPreserved(dnsConnect: False)
[SKIP] System.Net.Sockets.Tests.ConnectEap.MultiConnect_ExposeHandle_TerminatesAtFirstFailure(dnsConnect: False)
[SKIP] System.Net.Sockets.Tests.ConnectEap.MultiConnect_ExposeHandle_TerminatesAtFirstFailure(dnsConnect: True)
[SKIP] System.Net.Sockets.Tests.ConnectEap.MultiConnect_MiscProperties_Preserved(dnsConnect: False)
[SKIP] System.Net.Sockets.Tests.ConnectEap.MultiConnect_DualMode_Preserved
[SKIP] System.Net.Sockets.Tests.DualModeConnectToHostString.DualModeConnect_LoopbackDnsToHost_Helper
[SKIP] System.Net.Sockets.Tests.OSSupportTest.DisableIPv6_OSSupportsIPv6_False
[SKIP] System.Net.Sockets.Tests.OSSupportTest.DisableIPv6_SocketConstructor_CreatesIPv4Socket
[SKIP] System.Net.Sockets.Tests.TelemetryTest.Connect_Success_ActivityRecorded
[SKIP] System.Net.Sockets.Tests.TelemetryTest.Socket_UDS_Success_ActivityRecorded
[SKIP] System.Net.Sockets.Tests.TelemetryTest.Connect_NonBlockingPending_ActivityNotMarkedAsError
[SKIP] System.Net.Sockets.Tests.SocketAsyncEventArgsTest.Connect_Parallel_Fails
[SKIP] System.Net.Sockets.Tests.SocketAsyncEventArgsTest.Connect_Parallel_FailsOver
[SKIP] System.Net.Sockets.Tests.SocketAsyncEventArgsTest.Connect_Parallel_Success
[FAIL] System.Net.Sockets.Tests.SocketBlockingModeTransitionTests.ConnectAsync_WithBuffer_Succeeds
Assert.False() Failure
Expected: False
Actual:   True
   at System.Net.Sockets.Tests.SocketBlockingModeTransitionTests.ConnectAsync_WithBuffer_Succeeds() in /_/src/libraries/System.Net.Sockets/tests/FunctionalTests/Connect.Unix.cs:line 230
--- End of stack trace from previous location ---
[SKIP] System.Net.Sockets.Tests.ConnectApm.MultiConnect_ExposeHandle_TerminatesAtFirstFailure(dnsConnect: False)
[SKIP] System.Net.Sockets.Tests.ConnectApm.MultiConnect_ExposeHandle_TerminatesAtFirstFailure(dnsConnect: True)
[SKIP] System.Net.Sockets.Tests.DualModeConnectAsync.DualModeConnectAsync_DnsEndPointToHost_Helper
[SKIP] System.Net.Sockets.Tests.ConnectSync.MultiConnect_ExposeHandle_TerminatesAtFirstFailure(dnsConnect: False)
[SKIP] System.Net.Sockets.Tests.ConnectSync.MultiConnect_ExposeHandle_TerminatesAtFirstFailure(dnsConnect: True)
[SKIP] System.Net.Sockets.Tests.AcceptApm.AbortedByDispose_LeaksNoUnobservedExceptions
[SKIP] System.Net.Sockets.Tests.ConnectTask.MultiConnect_ExposeHandle_TerminatesAtFirstFailure(dnsConnect: False)
[SKIP] System.Net.Sockets.Tests.ConnectTask.MultiConnect_ExposeHandle_TerminatesAtFirstFailure(dnsConnect: True)
[SKIP] System.Net.Sockets.Tests.ConnectCancellableTask.MultiConnect_ExposeHandle_TerminatesAtFirstFailure(dnsConnect: False)
[SKIP] System.Net.Sockets.Tests.ConnectCancellableTask.MultiConnect_ExposeHandle_TerminatesAtFirstFailure(dnsConnect: True)
Finished System.Net.Sockets.Tests, Version=11.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51

Tests run: 2427, Errors: 0, Failures: 1, Skipped: 32. Time: 21.9396701s
/datadisks/disk1/work/B54F0A2C/w/AA630990/e
----- end Tue Sep 1 02:34:45 AM UTC 2026 ----- exit code 1 ----------------------------------------------------------
ulimit -c value: unlimited
cat /proc/sys/kernel/core_pattern: /datadisks/disk1/dumps/core.%u.%p
cat /proc/sys/kernel/core_uses_pid: 0
cat: /proc/sys/kernel/coredump_filter: No such file or directory
cat /proc/sys/kernel/coredump_filter:
Looking around for any Linux dumps...
XUnitLogChecker status: 1
----- start =============== XUnitLogChecker Output =====================================================
No dumps found in /datadisks/disk1/dumps.
----- end =============== XUnitLogChecker Output - exit code 0 ===========================
+ export _commandExitCode=0
+ find . -maxdepth 5 ( -iname *.trx -o -iname testResults.xml -o -iname test-results.xml -o -iname test_results.xml -o -iname junit-results.xml -o -iname junitresults.xml ) -print0
+ xargs -0 -I {} sh -c mkdir -p "$HELIX_WORKITEM_UPLOAD_ROOT/$" && cp -f "{}" "$HELIX_WORKITEM_UPLOAD_ROOT/{}"
+ /usr/bin/python3.14 /datadisks/disk1/work/B54F0A2C/p/gen-debug-dump-docs.py -buildid 1575764 -workitem System.Net.Sockets.Tests -jobid 986da17b-21c8-4d32-affc-faf3de400ed0 -outdir /datadisks/disk1/work/B54F0A2C/w/AA630990/uploads -templatedir /datadisks/disk1/work/B54F0A2C/p -dumpdir /datadisks/disk1/dumps -productver 11.0.0
gen-debug-dump-docs.py: Did not find dumps, skipping dump docs generation.
+ exit 0
['System.Net.Sockets.Tests' END OF WORK ITEM LOG: Command exited with 0]