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bug_460_80.md

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Fix annoying bug with 460.80

With current Ubuntu kernels (state 2021/06/15) the shipped NVIDIA driver (both Ubuntu default and graphics-drivers ppa) has a breaking bug when using Display Port. So I installed a specific version (460.73) directly from the NVIDIA download. I think this means:

  • I need to re-install those after each kernel update
  • I need to go back to the PPA as soon as there is a fix. maybe check this site

Install NVIDIA driver downloaded from the manufacturer

  • removed existing NVIDIA drivers sudo apt purge nvidia-driver-460; sudo apt autoremove
  • blocked Nouveau drivers sudo bash -c "echo blacklist nouveau > /etc/modprobe.d/blacklist-nvidia-nouveau.conf"; sudo bash -c "echo options nouveau modeset=0 >> /etc/modprobe.d/blacklist-nvidia-nouveau.conf"
  • reboot
  • install prerequisites to compile the driver sudo apt install build-essential libglvnd-dev pkg-config
  • go to a TTY session and enter the mystery command sudo telinit 3 to possibly shutdown the display server
  • install the NVIDIA driver via sudo bash NVIDIA-Linux-x86_64-460.73.01.run
    • there I agreed to install the 32-bit legacy support, and to create a new X server configuration...
  • reboot.

Uninstall those drivers

if the need ever arises:

  • sudo bash NVIDIA-Linux-x86_64-460.73.01.run --uninstall
  • sudo nvidia-xconfig --restore-original-backup
  • sudo rm /etc/modprobe.d/blacklinst-nvidia-nouveau.conf
  • reboot

taken from linuxconfig