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.

英偉達驅動掉了感覺很常見

顯示卡剛訓練完就關機，大機率會出現這個問題

1.重裝驅動就可以了