Console log: 'System.Net.NameResolution.Functional.Tests' from job ada0b3b2-86d7-499d-988c-a33cdf6c9bee (azurelinux.3.amd64.open.rt) using docker image mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-26.04-helix-amd64@sha256:360a2dc1aac8bbfc1b0923ea5ce9dac11845aa373fe03eb89d9baff0b3f2243e on a00H3L1 running $HELIX_CORRELATION_PAYLOAD/scripts/8aaa28da93464470aba82cc836f1b803/execute.sh in /datadisks/disk1/work/B85F0A45/w/B68209D5/e max 900 seconds Output: [BEGIN EXECUTION] + cd /root/helix/work/workitem/e + mkdir -p /datadisks/disk1/dumps/ + /root/helix/work/correlation/scripts/8aaa28da93464470aba82cc836f1b803/execute.sh + export __TestArchitecture=x64 + ./RunTests.sh --runtime-path /root/helix/work/correlation ========================= Begin custom configuration settings ============================== export __IsXUnitLogCheckerSupported=1 export XUNIT_HIDE_PASSING_OUTPUT_DIAGNOSTICS=1 ========================== End custom configuration settings =============================== ----- start Fri May 29 08:18:31 AM UTC 2026 =============== To repro directly: ===================================================== pushd . /root/helix/work/correlation/dotnet exec --runtimeconfig System.Net.NameResolution.Functional.Tests.runtimeconfig.json --depsfile System.Net.NameResolution.Functional.Tests.deps.json xunit.console.dll System.Net.NameResolution.Functional.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing popd =========================================================================================================== /root/helix/work/workitem/e /root/helix/work/workitem/e Discovering: System.Net.NameResolution.Functional.Tests (method display = ClassAndMethod, method display options = None) Discovered: System.Net.NameResolution.Functional.Tests (found 83 of 91 test cases) Starting: System.Net.NameResolution.Functional.Tests (parallel test collections = on [2 threads], stop on fail = off) System.Net.NameResolution.Tests.GetHostEntryTest.DnsGetHostEntry_LocalhostWithTrailingDot_ReturnsLoopback [FAIL] System.Net.Sockets.SocketException : Name or service not known Stack Trace: /_/src/libraries/System.Net.NameResolution/src/System/Net/Dns.cs(526,0): at System.Net.Dns.GetHostEntryOrAddressesCore(String hostName, Boolean justAddresses, AddressFamily addressFamily, Nullable`1 activityOrDefault) /_/src/libraries/System.Net.NameResolution/src/System/Net/Dns.cs(385,0): at System.Net.Dns.GetHostEntryCore(String hostName, AddressFamily addressFamily, Nullable`1 activityOrDefault) /_/src/libraries/System.Net.NameResolution/src/System/Net/Dns.cs(87,0): at System.Net.Dns.GetHostEntry(String hostNameOrAddress, AddressFamily family) /_/src/libraries/System.Net.NameResolution/src/System/Net/Dns.cs(59,0): at System.Net.Dns.GetHostEntry(String hostNameOrAddress) /_/src/libraries/System.Net.NameResolution/tests/FunctionalTests/GetHostEntryTest.cs(413,0): at System.Net.NameResolution.Tests.GetHostEntryTest.DnsGetHostEntry_LocalhostWithTrailingDot_ReturnsLoopback() --- End of stack trace from previous location --- --- End of stack trace from previous location --- System.Net.NameResolution.Tests.GetHostAddressesTest.DnsGetHostAddresses_LocalhostWithTrailingDot_ReturnsLoopback [FAIL] System.Net.Sockets.SocketException : Name or service not known Stack Trace: /_/src/libraries/System.Net.NameResolution/src/System/Net/Dns.cs(526,0): at System.Net.Dns.GetHostEntryOrAddressesCore(String hostName, Boolean justAddresses, AddressFamily addressFamily, Nullable`1 activityOrDefault) /_/src/libraries/System.Net.NameResolution/src/System/Net/Dns.cs(388,0): at System.Net.Dns.GetHostAddressesCore(String hostName, AddressFamily addressFamily, Nullable`1 activityOrDefault) /_/src/libraries/System.Net.NameResolution/src/System/Net/Dns.cs(217,0): at System.Net.Dns.GetHostAddresses(String hostNameOrAddress, AddressFamily family) /_/src/libraries/System.Net.NameResolution/src/System/Net/Dns.cs(189,0): at System.Net.Dns.GetHostAddresses(String hostNameOrAddress) /_/src/libraries/System.Net.NameResolution/tests/FunctionalTests/GetHostAddressesTest.cs(377,0): at System.Net.NameResolution.Tests.GetHostAddressesTest.DnsGetHostAddresses_LocalhostWithTrailingDot_ReturnsLoopback() --- End of stack trace from previous location --- --- End of stack trace from previous location --- Finished: System.Net.NameResolution.Functional.Tests === TEST EXECUTION SUMMARY === System.Net.NameResolution.Functional.Tests Total: 139, Errors: 0, Failed: 2, Skipped: 0, Time: 6.884s /root/helix/work/workitem/e ----- end Fri May 29 08:18:39 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: 1 cat: /proc/sys/kernel/coredump_filter: No such file or directory cat /proc/sys/kernel/coredump_filter: Looking around for any Linux dumps... Looking for files matching core.* ... XUnitLogChecker status: 1 ----- start =============== XUnitLogChecker Output ===================================================== No dumps found in /datadisks/disk1/dumps. ----- end =============== XUnitLogChecker Output - exit code 0 =========================== + export _commandExitCode=0 + python /root/helix/work/correlation/reporter/run.py https://dev.azure.com/dnceng-public/ public 39936840 eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6IndoMDZzRWt6TEhKNXNOTmFVeVJZMl82TzhLMCIsImtpZCI6IndoMDZzRWt6TEhKNXNOTmFVeVJZMl82TzhLMCJ9.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.iPOrJHQeW5mi7NeMQ6ocbRV-R_RR6ypsG9VSwElUXivjS_LAQFBgE-WM0HichXipmrPsTY6LURR7Hq2mSaOlDbu2mYDM61xUlJocXri0rlw3Z2ZIN9RUyuAqeBaHkJto-Pc1QKOFah_Kn0tDKy1ZzRh_XJxqrCjMlNnBbLhtAfK6PIRc2h5y--HNPV60hFENO5CJqUimv0Gm8GftxaeeCwWLQAjBKRJaQWTy2idtPdIimxFo85HHnhbNqofAv7simFkVrRCpjMXLq-mTyCvBF66YY17tp2G1QUKVw46y2Q0lvBSyZWeY8DD9nOwb0FwFq0RQ2Jf2iMQuXMky2uadsw /home/helixbot/.vsts-env/lib/python3.14/site-packages/azure/__init__.py:5: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81. import pkg_resources 2026-05-29T08:18:39.968Z INFO run.py managed_identity(151) __init__ ManagedIdentityCredential will use IMDS with client_id: 3423231b-6b9e-4177-8817-76276b647404 2026-05-29T08:18:39.968Z INFO run.py azure_utils(32) get_credential_and_access_token VMSSManagedIdentity VmssMIClientIdForUpload Auth type will be used 2026-05-29T08:18:39.969Z INFO run.py _universal(535) on_request Request URL: 'http://169.254.169.254/metadata/identity/oauth2/token?api-version=2018-02-01&resource=REDACTED&client_id=REDACTED' Request method: 'GET' Request headers: 'Metadata': 'REDACTED' 'User-Agent': 'azsdk-python-identity/1.25.3 Python/3.14.4 (Linux-6.6.139.1-1.azl3-x86_64-with-glibc2.43)' No body was attached to the request 2026-05-29T08:18:39.978Z INFO run.py _universal(581) on_response Response status: 200 Response headers: 'Content-Type': 'application/json; charset=utf-8' 'Server': 'IMDS/150.870.65.2020' 'x-ms-request-id': 'f59f8a0f-425b-464b-8378-cee112e6a972' 'Date': 'Fri, 29 May 2026 08:18:39 GMT' 'Content-Length': '2473' 2026-05-29T08:18:39.979Z INFO run.py msal_managed_identity_client(165) _get_token_base ImdsCredential.get_token succeeded 2026-05-29T08:18:39.979Z INFO run.py decorators(24) wrapper ManagedIdentityCredential.get_token succeeded 2026-05-29T08:18:39.979Z INFO run.py azure_utils(64) get_credential_and_access_token Credentials are valid 2026-05-29T08:18:39.980Z INFO run.py msal_managed_identity_client(165) _get_token_base ImdsCredential.get_token_info succeeded 2026-05-29T08:18:39.980Z INFO run.py decorators(24) wrapper ManagedIdentityCredential.get_token_info succeeded 2026-05-29T08:18:40.131Z INFO run.py run(48) main Beginning reading of test results. 2026-05-29T08:18:40.131Z INFO run.py __init__(42) read_results Searching '/root/helix/work/workitem/e' for test results files 2026-05-29T08:18:40.132Z INFO run.py __init__(48) read_results Found results file /root/helix/work/workitem/e/testResults.xml with format xunit 2026-05-29T08:18:40.133Z INFO run.py __init__(42) read_results Searching '/root/helix/work/workitem/uploads' for test results files 2026-05-29T08:18:40.133Z INFO run.py packing_test_reporter(30) report_results Packing 139 test reports to '/root/helix/work/workitem/e/__test_report.json' 2026-05-29T08:18:40.133Z INFO run.py packing_test_reporter(33) report_results Packed 45057 bytes + python /root/helix/work/correlation/gen-debug-dump-docs.py -buildid 1440366 -workitem System.Net.NameResolution.Functional.Tests -jobid ada0b3b2-86d7-499d-988c-a33cdf6c9bee -outdir /root/helix/work/workitem/uploads -templatedir /root/helix/work/correlation -dumpdir /datadisks/disk1/dumps -productver 11.0.0 gen-debug-dump-docs.py: Did not find dumps, skipping dump docs generation. + exit 0 + _commandExitCode=0 + chmod -R 777 /datadisks/disk1/dumps + exit 0 [END EXECUTION] Exit Code:0