Comment 1 for bug 1982197

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Adam Dyess (addyess) wrote :

From [NVIDIA docs](https://docs.nvidia.com/cuda/archive/9.1/cuda-installation-guide-linux/index.html#handle-uninstallation)

> Before installing CUDA, any previously installations that could conflict should be uninstalled. This will not affect systems which have not had CUDA installed previously, or systems where the installation method has been preserved (RPM/Deb vs. Runfile). See the following charts for specifics.

the charm will need to purge the cuda-drivers before running an install/upgrade on them