Console log: 'System.Private.Xml.Tests' from job de83ef25-c2f0-4203-9489-05dd65ca185b (azurelinux.3.arm64.open) using docker image mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-helix-arm64v8@sha256:a730f1f2943a1b8a314e2bb29b07026b59eced86552f5eebf89207bdc32231a1 on a00ASET running $HELIX_CORRELATION_PAYLOAD/scripts/9fabbb18eddc4aa1a187aafce0b91e58/execute.sh in /datadisks/disk1/work/AE510949/w/975E0855/e max 2700 seconds Output: [BEGIN EXECUTION] + cd /root/helix/work/workitem/e + mkdir -p /datadisks/disk1/dumps/ + /root/helix/work/correlation/scripts/9fabbb18eddc4aa1a187aafce0b91e58/execute.sh + export __TestArchitecture=arm64 + __TestArchitecture=arm64 + ./RunTests.sh --runtime-path /root/helix/work/correlation ========================= Begin custom configuration settings ============================== export XUNIT_HIDE_PASSING_OUTPUT_DIAGNOSTICS=1 ========================== End custom configuration settings =============================== ----- start Tue Jun 2 17:07:24 UTC 2026 =============== To repro directly: ===================================================== pushd . /root/helix/work/correlation/dotnet exec --runtimeconfig System.Private.Xml.Tests.runtimeconfig.json --depsfile System.Private.Xml.Tests.deps.json xunit.console.dll System.Private.Xml.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.Private.Xml.Tests (method display = ClassAndMethod, method display options = None) Discovered: System.Private.Xml.Tests (found 4818 of 4876 test cases) Starting: System.Private.Xml.Tests (parallel test collections = on [2 threads], stop on fail = off) ================================================================= Native Crash Reporting ================================================================= Got a SIGSEGV while executing native code. This usually indicates a fatal error in the mono runtime or one of the native libraries used by your application. ================================================================= /root/helix/work/workitem/e ./RunTests.sh: line 173: 17 Segmentation fault (core dumped) "$RUNTIME_PATH/dotnet" exec --runtimeconfig System.Private.Xml.Tests.runtimeconfig.json --depsfile System.Private.Xml.Tests.deps.json xunit.console.dll System.Private.Xml.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing $RSP_FILE ----- end Tue Jun 2 17:07:43 UTC 2026 ----- exit code 139 ---------------------------------------------------------- exit code 139 means SIGSEGV Illegal memory access. Deref invalid pointer, overrunning buffer, stack overflow etc. Core dumped. 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.* ... ./RunTests.sh: line 226: dmesg: command not found The '__IsXUnitLogCheckerSupported' env var is not set. + export _commandExitCode=139 + _commandExitCode=139 + python /root/helix/work/correlation/reporter/run.py https://dev.azure.com/dnceng-public/ public 40066288 eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6IndoMDZzRWt6TEhKNXNOTmFVeVJZMl82TzhLMCIsImtpZCI6IndoMDZzRWt6TEhKNXNOTmFVeVJZMl82TzhLMCJ9.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.EWyV8dpras1lmHcHA-unT3N-SoKvPv_YR0R9uYE3MVt_KthTijkAAkIWr67PC_KdiRM--YtriVn4Yp70tth_eQjYUmYaTdBDqSdrh3ghEMAZ5_I6kA7XYbR9puJAaCl1cjIjeVPHQnrYa_V-WNDfWLcnqTKBVpwDHhhWzzyEbSuD5iStljXBrsk-K_8AjLygHqUpNHrRhf94PA5Zekaw0APANIw_jeh8bby3CRLjLlk5zvSjcDmTqvAPkp9FVLuvS5DnF0DKcw4SvxDj7wW1Pa6uzjo4Z_AjEEJzhQBQoMz_vylR-S76pEVzgt9Vk7pWB7-FyLYhoybMWjWBfNMbQg /home/helixbot/.vsts-env/lib/python3.12/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 2026-06-02T17:07:45.127Z INFO run.py managed_identity(151) __init__ ManagedIdentityCredential will use IMDS with client_id: 3423231b-6b9e-4177-8817-76276b647404 2026-06-02T17:07:45.127Z INFO run.py azure_utils(32) get_credential_and_access_token VMSSManagedIdentity VmssMIClientIdForUpload Auth type will be used 2026-06-02T17:07:45.128Z 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' 'x-client-SKU': 'REDACTED' 'x-client-Ver': 'REDACTED' 'x-ms-client-request-id': '9363533e-aaa0-4fd3-a482-bb6abca15f53' 'User-Agent': 'azsdk-python-identity/1.25.3 Python/3.12.9 (Linux-6.6.139.1-1.azl3-aarch64-with-glibc2.38)' No body was attached to the request 2026-06-02T17:07:45.144Z 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': '9363533e-aaa0-4fd3-a482-bb6abca15f53' 'Date': 'Tue, 02 Jun 2026 17:07:44 GMT' 'Content-Length': '2468' 2026-06-02T17:07:45.144Z INFO run.py msal_managed_identity_client(165) _get_token_base ImdsCredential.get_token succeeded 2026-06-02T17:07:45.145Z INFO run.py decorators(24) wrapper ManagedIdentityCredential.get_token succeeded 2026-06-02T17:07:45.145Z INFO run.py azure_utils(64) get_credential_and_access_token Credentials are valid 2026-06-02T17:07:45.146Z INFO run.py msal_managed_identity_client(165) _get_token_base ImdsCredential.get_token_info succeeded 2026-06-02T17:07:45.146Z INFO run.py decorators(24) wrapper ManagedIdentityCredential.get_token_info succeeded 2026-06-02T17:07:45.200Z INFO run.py run(48) main Beginning reading of test results. 2026-06-02T17:07:45.200Z INFO run.py __init__(42) read_results Searching '/root/helix/work/workitem/e' for test results files 2026-06-02T17:07:45.204Z INFO run.py __init__(42) read_results Searching '/root/helix/work/workitem/uploads' for test results files 2026-06-02T17:07:45.204Z WARNING run.py __init__(55) read_results No results file found in any of the following formats: xunit, junit, trx 2026-06-02T17:07:45.204Z INFO run.py packing_test_reporter(30) report_results Packing 0 test reports to '/root/helix/work/workitem/e/__test_report.json' 2026-06-02T17:07:45.204Z INFO run.py packing_test_reporter(33) report_results Packed 2996 bytes + exit 139 + _commandExitCode=139 + chmod -R 777 /datadisks/disk1/dumps + exit 139 [END EXECUTION] Exit Code:139