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

nvidia-smi hasfailed because it couldn’t communicate with the nvidia driver

运行程序时突然提示英伟达驱动无法通信
nvidia-smi查看驱动，也是报同样的错误
但是nvcc --version 是能看到cuda 版本的

解决办法

查看之前安装的驱动版本，然后运行：

sudo apt-get install dkms
sudo dkms install -m nvidia -v 418.56

检验

nvidia-smi