nvidia-smi failed because it couldn't communicate with the nvidia driver

Ubuntu裝好CUDA之后過段時間提示NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver.

NVIDIA-SMI has failed because it couldn’t communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.

解決方案一：sudo modprobe nvidia ，然后再運行nvidia-smi.
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作者：hhhuua  
來源：CSDN  
原文：https://blog.csdn.net/hhhuua/article/details/80734092  
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方法二：禁用安全啟動選項

https://stackoverflow.com/questions/42348400/nvidia-smi-failed-couldnt-communicate-with-nvidia-driver

方法三：

sudo apt-get update
sudo apt-get install --no-install-recommends nvidia-384 libcuda1-384 nvidia-opencl-icd-384
sudo reboot

https://blog.csdn.net/zw__chen/article/details/83217004