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FAQ

Q1: RuntimeError: vk::Instance::enumeratePhysicalDevices: ErrorInitializationFailed

A: This is because you did not install Nvidia driver or your Nvidia driver is broken. Please install Nvidia driver and vulkan-utils. You can check the installation of Nvidia driver by running nvidia-smi. It may also be caused by the issue described in Q2, so please also follow the answer to Q2.

Q2: Segmentation fault (core dumped)

A: Try setting the environment variable VK_ICD_FILENAMES=/usr/share/vulkan/icd.d/nvidia_icd.json. Make sure the file /usr/share/vulkan/icd.d/nvidia_icd.json exists.

Q3: Corrupted image or CUDA error on a multi-GPU machine.

A: Upgrade SAPIEN to latest version (>=1.1.1) by pip install sapien==1.1.1.