segmentation fault when using dart with continue training 2

[gwuillou]

Hello,
My problem is related to #984. I have the last version and I am using mac os.
I have also the problem of segmentation fault when I am trying to use dart with continue training:
I am doing:

        gbm = lgb.train(params,
                        lgb_train,
                        num_boost_round=10,
                        valid_sets=lgb_train,
                        feature_name=header)
        y_val = gbm.predict(testset.x)
        y_train = gbm.predict(trainingset.x)
        ...
        nb_tree_by_it = 100
        nb_it = 100
        for jj in range(1, nb_it):
            lgb_train.init_score = None
            gbm = lgb.train(params,
                            lgb_train,
                            num_boost_round=nb_tree_by_it,
                            valid_sets=lgb_train,
                            feature_name=header,
                            verbose_eval=100,
                            init_model=gbm
                            )
             ...

What I am doing wrong? I also tried examples/python-guide/advanced_example.py, I get also a segmentation fault.

[guolinke]

Can you try the latest version ?
It will be better if you provide a reproduce example with randomly generated data.

[guolinke]

@gwuillou
we have tests for the "advanced_example", so it should not fail.

[gwuillou]

Hello,

I have the version lightgbm 2.2.2.
When I try the "advanced_example", the Segmentation fault: 11 appears randomly. sometimes I have also this error:
python(14274,0x7fff8985f380) malloc: *** error for object 0x3fd3b3c07d68: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug

...

I am using mac osx high sierra,

Thank you,

[guolinke]

I guess the problem is related to binaries release.
@gwuillou can you try to install from source ?
pip install --no-binary :all:

may related to: #1743

[StrikerRUS]

ping @gwuillou

[StrikerRUS]

Closing due to inactivity.
Feel free to reopen if the error persists after installing from sources.