leezu edited a comment on issue #18090: Aborted unix-gpu CI URL: https://github.com/apache/incubator-mxnet/issues/18090#issuecomment-616025939 However, interrupting (`ctrl+c`) the repro script that you shared would sometimes print `Segmentation fault: 11` but sometimes also provide a meaningful backtrace ``` Traceback (most recent call last): File "test.py", line 7, in <module> mx_x = mx.np.empty_like(mx_data) File "/home/ubuntu/src/mxnet-master/python/mxnet/numpy/multiarray.py", line 2579, in empty_like return _mx_nd_np.empty_like(prototype, dtype=dtype, order=order, subok=subok, shape=shape) File "/home/ubuntu/src/mxnet-master/python/mxnet/ndarray/numpy/_op.py", line 512, in empty_like return _npi.empty_like_fallback(prototype, dtype=dtype, order=order, subok=subok, shape=shape) File "<string>", line 40, in Custom File "/home/ubuntu/src/mxnet-master/python/mxnet/_ctypes/ndarray.py", line 82, in _imperative_invoke check_call(_LIB.MXImperativeInvokeEx( File "/home/ubuntu/src/mxnet-master/python/mxnet/base.py", line 246, in check_call raise get_last_ffi_error() mxnet.base.MXNetError: Traceback (most recent call last): File "../include/mxnet/./tuple.h", line 141 MXNetError: Check failed: ndim() >= 0 (-1 vs. 0) : ``` You need some lucky timing to get this backtrace.. So try a few times if you can't see it
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