NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver ...

显卡驱动找不到解决方案：亲测有效

step1：sudo apt-get install dkms

step2:   sudo dkms install -m nvidia -v 390.129

nvidia-smi

390.129改为自己显卡版本号 查看方式 cd /usr/src 查看

特斯拉显卡版本 390.129