leandron commented on issue #4953: [CI][Docker] xgboost 1.0.1 causes segfault on test_autotvm_xgboost_model.py URL: https://github.com/apache/incubator-tvm/issues/4953#issuecomment-608599550 Hi, I only managed to investigate it further, today. XGBoost now is version `1.0.2`, and I can still reproduce this issue. To give some context, this is the function call that triggers the issue: https://github.com/apache/incubator-tvm/blob/54975a3fd24fa45b815be39075f4614e53009444/python/tvm/autotvm/tuner/xgboost_cost_model.py#L262-L272 I tried just creating pickle files of some inputs (`x_train`, `y_train` and `dtrain`) and simplifying the function call But this is not enough to reproduce the issue. The issue seems to be in the context `custom_callback`, below: https://github.com/apache/incubator-tvm/blob/54975a3fd24fa45b815be39075f4614e53009444/python/tvm/autotvm/tuner/xgboost_cost_model.py#L419-L526 Now, something that could help me a bit to narrow down where the problem is if I run it it debug mode. @hcho3 what is the simplest way I can do that?
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