Ubuntu装好CUDA之后过段时间提示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.
解决方案一：sudo modprobe nvidia ，然后再运行nvidia-smi.
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作者：hhhuua
来源：****
原文：https://blog.****.net/hhhuua/article/details/80734092
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方法二：禁用安全启动选项
https://*.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- libcuda1- nvidia-opencl-icd-
sudo reboot
https://blog.****.net/zw__chen/article/details/83217004