From the bug report, here are the steps for how to test on 18.04 LTS. This is not for the faint hearted, please be sure you’re happy to dig in to this low level tweaking before you start.
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Enable the bionic-proposed repositories
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Create /etc/apt/preferences.d/proposed-updates with the following content:
Package: *
Pin: release a=bionic-proposed
Pin-Priority: 400
- Update the list of packages:
sudo apt-get update
- Install the packages from -proposed using the following command:
sudo apt install nvidia-driver-390/bionic-proposed gdm3/bionic-proposed ubuntu-drivers-common/bionic-proposed nvidia-prime/bionic-proposed nvidia-settings/bionic-proposed libnvidia-gl-390/bionic-proposed libnvidia-compute-390/bionic-proposed libnvidia-decode-390/bionic-proposed libnvidia-encode-390/bionic-proposed libnvidia-ifr1-390/bionic-proposed libnvidia-fbc1-390/bionic-proposed