Xrandr and external monitor

[H]

On January 3, 2025 5:20:38 AM EST, Fungal-net <fungalnet at protonmail.com> wrote:
>On Friday, January 3rd, 2025 at 12:49 AM, H <agents at meddatainc.com>
>wrote:
>> Forgot to attach the file but doing it now.
>
>I have a shortcut function in my zsh which looks for (EE) in Xorg.log 
>The first thing I would do after seeing this log is to install the xorg
>xf86 packages for fbdev and vesa then attempt to run again and rescan
>for errors.  Subsequent errors and warnings would be meaningless after
>the first.  In the arch ecosystem those pkgs are marked as
>xf86-video-{fbdev,vesa} on debian/rh may have slightly different names.

What would the function be of fbdev and vesa? 

Quick googling suggests the former is deprecated and replaced by DRM and I am afraid I do not understand the role vesa would play with the nouveau driver in use? Are both vesa and nouveau needed?