ipex-llm/docs/readthedocs/source/doc/Chronos/Overview/chronos_known_issue.md

Chronos Known Issue

1. Issue 1

Problem description

Numpy.ndarray size changed, may indicate binary incompatibility. Expected 88 from C header, got 80 from PyObject.

Solution

• pip install -y pycocotools
• pip install pycocotools --no-cache-dir --no-binary :all:
• conda install –c conda-forge pycocotools

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2. Issue 2

Problem description

NotImplementedError: Cannot convert a symbolic Tensor (encoder_lstm_8/strided_slice:0) to a numpy array.

Solution

• pip install numpy==1.19.5

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3. Issue 3

Problem description

StanModel object has no attribute 'fit_class', cause of pip, may be.

Solution

• pip uninstall pystan prophet –y
• conda install –c conda-forge prophet=1.0.1

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4. Issue 4

Problem description

Exception: No active RayContext. Please call init_orca_context to create a RayContext.

ray_ctx = RayContext.get()
ray_ctx = RayContext.get(initialize=False)

Solution

• Make sure all operations are before stop_orca_context.
• No other RayContext exists before init_orca_context.

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5. Issue 5

Problem description

Sed: error while loading shared libraries: libunwind.so.8: cannot open shared object file: No such file or directory.

Only happens when you run source bigdl-nano-init.

Solution

• apt-get install libunwind8-dev

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