/home/chengfei/anaconda2/lib/python2.7/site-packages/h5py/__init__.py:34: FutureWarning: Conversion of the second argument of issubdtype from `float` to `np.floating` is deprecated. In future, it will be treated as `np.float64 == np.dtype(float).type`.
  from ._conv import register_converters as _register_converters
Traceback (most recent call last):
  File "generate_preview.py", line 171, in <module>
    run()
  File "generate_preview.py", line 164, in run
    light)
  File "generate_preview.py", line 102, in make_reference_image
    model = Model(filename_obj, background=bg, load_texture = True, texture_size=texture_size)
  File "generate_preview.py", line 33, in __init__
    texture_size=texture_size)
  File "/home/chengfei/projects/neural_renderer/renderer/neural_renderer/load_obj.py", line 190, in load_obj
    textures = load_textures(filename_obj, filename_mtl, texture_size)
  File "/home/chengfei/projects/neural_renderer/renderer/neural_renderer/load_obj.py", line 151, in load_textures
    return textures.get()
  File "cupy/core/core.pyx", line 1619, in cupy.core.core.ndarray.get
  File "cupy/core/core.pyx", line 1643, in cupy.core.core.ndarray.get
  File "cupy/cuda/memory.pyx", line 372, in cupy.cuda.memory.MemoryPointer.copy_to_host
  File "cupy/cuda/runtime.pyx", line 255, in cupy.cuda.runtime.memcpy
  File "cupy/cuda/runtime.pyx", line 135, in cupy.cuda.runtime.check_status
cupy.cuda.runtime.CUDARuntimeError: cudaErrorIllegalAddress: an illegal memory access was encountered