Hi,
when you install an NVidia GPU to run HPC tasks you usually don’t want that X11/xorg use it. This can be done by force Xorg to use the framebuffer device and prevent the nvidia_drm driver from creating a framebuffer device.
You can check this by nvidia-smi
1 2 3 4 5 6 7 8 9 | root@debdev ~ # nvidia-smi +---------------------------------------------------------------------------------------+| Processes: || GPU GI CI PID Type Process name GPU Memory || ID ID Usage ||=======================================================================================|| 0 N/A N/A 1581 G /usr/lib/xorg/Xorg 167MiB || 0 N/A N/A 1713 G /usr/bin/gnome-shell 16MiB |+---------------------------------------------------------------------------------------+ |
Continue reading Linux: Prevent X11/Xorg from using a (Nvidia) GPU