第一次停电，NVIDIA-SMI就出错用不了，于是我重装了显卡驱动。第二次停电，又NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver，但这次换个方法同样解决了问题。
自从在Unbuntu跑大模型，每次遭遇断电就会导致NVIDIA-SMI命令失效，报错如下：
root@ss:/home/ssss# nvidia-smi
NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.
1306 ls /usr/src | grep nvidia #查看本机的驱动版本
1307 apt install dkms
1308 dkms install -m nvidia -v 550.54.15
1309 nvidia-smi #成功
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