Crossgen2 coreroot_determinism test failure (exit code 134) #124052
Description
Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1279640
Build error leg or test failing: readytorun/coreroot_determinism/coreroot_determinism/coreroot_determinism.cmd
Pull request: #120535
Leg Name: Build coreclr Pri0 Runtime Tests Run linux arm checked
Example console log: Helix log
Error Message
Fill the error message using step by step known issues guidance.
{
"ErrorMessage": ["coreroot_determinism", "exit code 134"],
"BuildRetry": false,
"ExcludeConsoleLog": false
}Error Details
The coreroot_determinism test fails during Crossgen2 compilation of System.Private.CoreLib.dll with exit code 134 (SIGABRT). The error occurs during the second seed compilation pass.
Stack Trace
Unhandled exception. System.AggregateException: One or more errors occurred. (System module failed to validate all types)
---> ILCompiler.InternalCompilerErrorException: System module failed to validate all types
at ILCompiler.DependencyAnalysis.ReadyToRun.TypeValidationChecker.<CanSkipValidationInstance>d__7.MoveNext()
at ILCompiler.DependencyAnalysis.ReadyToRun.TypeValidationChecker.<CanSkipValidation>d__8.MoveNext()
at ILCompiler.DependencyAnalysis.ReadyToRun.HeaderNode.GetData(NodeFactory, Boolean)
at ILCompiler.ObjectWriter.ObjectWriter.EmitObject(Stream, IReadOnlyCollection`1, IObjectDumper, Logger)
at ILCompiler.DependencyAnalysis.ReadyToRunObjectWriter.EmitReadyToRunObjects(ReadyToRunContainerFormat, Logger)
at ILCompiler.ReadyToRunCodegenCompilation.Compile(String)
at ILCompiler.Program.RunSingleCompilation(...)
at ILCompiler.Program.Run()
Test Output
1 / 1 (100%, 1 failed): failed in 53658 msecs, exit code 134, expected 0: crossgen2 @.../seed2/CPAOT-ret.out/System.Private.CoreLib.dll.rsp
Emitting R2R PE file: .../seed2/CPAOT-ret.out/System.Private.CoreLib.dll
Environment
Platform: linux-arm (32-bit ARM via Docker)
Helix Queue: azurelinux.3.arm64.open
Docker Image: mcr.microsoft.com/dotnet-buildtools/prereqs:debian-13-helix-arm32v7
Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1279640
Error message validated: [coreroot_determinism exit code 134]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 2/5/2026 5:05:48 PM UTC
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 5 | 17 | 17 |