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

这个问题一般是因为linux系统内核小版本号升级导致的…

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sudo cp /etc/default/grub /etc/default/grub.bak
sudo vim /etc/default/grub
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GRUB_DEFAULT="Advanced options for Ubuntu>Ubuntu, with Linux 3.13.0-53-generic" #<-修改
sudo update-grub

然后 reboot.

这样操作之后nvidia-smi还是失败状态.

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sudo apt-get install dkms
sudo dkms install -m nvidia -v 396-396.54

请作者喝一杯咖啡☕️