DNXie opened a new issue #20041:
URL: https://github.com/apache/incubator-mxnet/issues/20041
## Description
`mxnet.ndarray.cast` and `mxnet.ndarray.op.cast` crashes(aborts) when `data`
is empty tensor.
### Error Message
~~~python
Segmentation fault: 11
Stack trace:
[bt] (0)
/root/miniconda3/lib/python3.7/site-packages/mxnet/libmxnet.so(+0x3c27360)
[0x7f911dcc4360]
terminate called after throwing an instance of 'std::system_error'
what(): Resource deadlock avoided
Aborted (core dumped)
~~~
## To Reproduce
~~~python
import mxnet
import numpy as np
mxnet.ndarray.cast(data=mxnet.nd.array(np.ones((12,0))), dtype='float32')
~~~
or
~~~python
import mxnet
import numpy as np
mxnet.ndarray.cast(data=mxnet.nd.array(np.ones((12,0))),
dtype=mxnet.nd.ones((1)))
~~~
## Environment
OS: ubuntu 18.04
Python: 3.7.6
pip: 20.0.2
numpy: 1.18.5
mxnet: 1.6.0
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