Microsoft.ML.Tests crashing after `[LightGBM] [Warning] bad allocation`

Author: ericstjCreated Jan 18, 2024Updated Sep 19, 2026
Labelsuntriagedblocking-clean-ciKnown Build Errorarea-Trees

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=530980 Build error leg or test failing: Microsoft.ML.Tests.WorkItemExecution Rolling build

Error Message

Fill the error message using step by step known issues guidance.

json
{
  "ErrorMessage": "[LightGBM] [Warning] bad allocation",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Failing log: https://helixre107v0xdeko0k025g8.blob.core.windows.net/dotnet-machinelearning-refs-heads-main-ceec46ab558849c4a3/Microsoft.ML.Tests/1/console.b4e5afef.log?helixlogtype=result

Dump: https://helixre107v0xdeko0k025g8.blob.core.windows.net/dotnet-machinelearning-refs-heads-main-ceec46ab558849c4a3/Microsoft.ML.Tests/1/xunit.console.exe.5364.dmp?helixlogtype=result

Sample log spew before the crash:

Starting test: Microsoft.ML.Tests.OnnxConversionTest.NonDefaultColNamesBinaryClassificationOnnxConversionTest
[LightGBM] [Warning] bad allocation
[LightGBM] [Warning] bad allocation
...

C:\h\w\B7EB099A\w\9FF809A0\e>set _commandExitCode=-1073740940

Will have a look at the dump to see if there's more information about the test that was running when this happened.

Known issue validation

Build: :mag_right: https://dev.azure.com/dnceng-public/public/_build/results?buildId=530980 Error message validated: [LightGBM] [Warning] bad allocation Result validation: :white_check_mark: Known issue matched with the provided build. Validation performed at: 1/18/2024 12:06:13 AM UTC

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Summary

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