Double call to SNB Parallel task provokes segfault

KhiopsML / khiops

Khiops is an AutoML suite for supervised and unsupervised learning

https://khiops.org

BSD 3-Clause Clear License

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Double call to SNB Parallel task provokes segfault #319

Open folmos-at-orange opened 5 months ago

folmos-at-orange commented 5 months ago

Description

Calling consecutively the InternalTrain method of SNBPredictorSelectiveNaiveBayesTrainingTask (this is done for debugging purposes) provokes a segfault.

Questions/Ideas

Branch to reproduce the bug: https://github.com/KhiopsML/khiops/tree/mpi-bug-double-train-call
Test to reproduce: TestKhiops/Standard/Adult
Stack trace below
Maybe systematise in unit tests calling twice a parallel task ?