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Issues with NVIDIA drivers

If you run nvidia-smi and get NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running. you are likely running into version compatibility issues with the NVIDIA drivers or have uninstalled the drivers.

You can verify this by running the following commands:

# Check kernel version
root@ubuntu:~$ uname -r
Linux ubuntu 5.4.0-1061-kvm

# Check installed NVIDIA driver version
root@ubuntu:~$ find /usr/lib/modules -name nvidia.ko

In the above case, you can see that the VM is running 5.4.0-1061-kvm while the drivers are configured for 5.4.0-1055-kvm. You will need to update the NVIDIA drivers.

If you check the the driver version and the system can't find an installed driver, you will need to install the drivers.

Installing or updating NVIDIA drivers

You can install or update the NVIDIA drivers by running the following commands:

apt install ubuntu-drivers-common
sudo ubuntu-drivers --gpgpu install nvidia

If the above doesn't resolve your issues, please contact support and provide us additional details (including lshw) on what's not working.