CI build failure in Linux Arm64: Generating native code, crossgen2.ilc.rsp exited with code 139 (segmentation fault)

[carlossanlop]

{
  "ErrorMessage": "crossgen2.ilc.rsp"" exited with code 139",
  "BuildRetry": false
}

Found in an unrelated main PR: #76846

• Queue: Installer Build and Test coreclr Linux_musl_arm64 Debug
• Step: Build
• Job results: https://dev.azure.com/dnceng-public/public/_build/results?buildId=47155&view=logs&j=e976c900-41ed-5a2d-5322-3b91fb8c7c8c&t=7fdb571d-f3d6-50a8-e870-3f5dcbdb7ad9&l=411

Here are the last few output lines:

  ILCompiler.Diagnostics -> /__w/1/s/artifacts/bin/ILCompiler.Diagnostics/arm64/Debug/ILCompiler.Diagnostics.dll
  ILCompiler.ReadyToRun -> /__w/1/s/artifacts/bin/ILCompiler.ReadyToRun/arm64/Debug/ILCompiler.ReadyToRun.dll
  crossgen2 -> /__w/1/s/artifacts/bin/coreclr/Linux.arm64.Debug/crossgen2/linux-musl-arm64/crossgen2.dll
Generating native code
  Segmentation fault (core dumped)
/__w/1/s/artifacts/transport/coreclr/build/Microsoft.NETCore.Native.targets(278,5): error MSB3073: The command ""/__w/1/s/artifacts/transport/coreclr/x64/ilc/ilc" @"/__w/1/s/artifacts/obj/coreclr/crossgen2/arm64/Debug/linux-musl-arm64/native/crossgen2.ilc.rsp"" exited with code 139. [/__w/1/s/src/coreclr/tools/aot/crossgen2/crossgen2.csproj]
##[error]artifacts/transport/coreclr/build/Microsoft.NETCore.Native.targets(278,5): error MSB3073: (NETCORE_ENGINEERING_TELEMETRY=Build) The command ""/__w/1/s/artifacts/transport/coreclr/x64/ilc/ilc" @"/__w/1/s/artifacts/obj/coreclr/crossgen2/arm64/Debug/linux-musl-arm64/native/crossgen2.ilc.rsp"" exited with code 139.

Build FAILED.

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Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	0	0

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Issue Details

---

{
  "ErrorMessage": "crossgen2.ilc.rsp"" exited with code 139",
  "BuildRetry": false
}

Found in an unrelated main PR: #76846

• Queue: Installer Build and Test coreclr Linux_musl_arm64 Debug
• Step: Build
• Job results: https://dev.azure.com/dnceng-public/public/_build/results?buildId=47155&view=logs&j=e976c900-41ed-5a2d-5322-3b91fb8c7c8c&t=7fdb571d-f3d6-50a8-e870-3f5dcbdb7ad9&l=411

Here are the last few output lines:

  ILCompiler.Diagnostics -> /__w/1/s/artifacts/bin/ILCompiler.Diagnostics/arm64/Debug/ILCompiler.Diagnostics.dll
  ILCompiler.ReadyToRun -> /__w/1/s/artifacts/bin/ILCompiler.ReadyToRun/arm64/Debug/ILCompiler.ReadyToRun.dll
  crossgen2 -> /__w/1/s/artifacts/bin/coreclr/Linux.arm64.Debug/crossgen2/linux-musl-arm64/crossgen2.dll
Generating native code
  Segmentation fault (core dumped)
/__w/1/s/artifacts/transport/coreclr/build/Microsoft.NETCore.Native.targets(278,5): error MSB3073: The command ""/__w/1/s/artifacts/transport/coreclr/x64/ilc/ilc" @"/__w/1/s/artifacts/obj/coreclr/crossgen2/arm64/Debug/linux-musl-arm64/native/crossgen2.ilc.rsp"" exited with code 139. [/__w/1/s/src/coreclr/tools/aot/crossgen2/crossgen2.csproj]
##[error]artifacts/transport/coreclr/build/Microsoft.NETCore.Native.targets(278,5): error MSB3073: (NETCORE_ENGINEERING_TELEMETRY=Build) The command ""/__w/1/s/artifacts/transport/coreclr/x64/ilc/ilc" @"/__w/1/s/artifacts/obj/coreclr/crossgen2/arm64/Debug/linux-musl-arm64/native/crossgen2.ilc.rsp"" exited with code 139.

Build FAILED.

Report

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	0	0

Author:	carlossanlop
Assignees:	-
Labels:	arch-arm64, untriaged, os-linux-musl, area-NativeAOT-coreclr, Known Build Error
Milestone:	-

[mangod9]

This looks to be an issue with ilc compiling crossgen2. Moving it to NativeAOT path.

[jkotas]

We have fixed multiple intermittent crashes on arm64 since October. It was likely one of those since there are no hits in last month.