NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.

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.

安装好驱动后，apt-get upgrade执行了一下。结果重启驱动就不行了。

以为驱动坏了，卸载重装也不顶事。最后找来找去这样搞好了。

sudo apt install nvidia-cuda-toolkit

搞环境很琐碎，是以为记。