"The first try, grub had nomodeset in it, and the system was able to boot, the wayland session was filtered out."
That sounds like a fix, and an answer to comment #8...? Does that mean you didn't need to disable wayland in /etc/gdm3/custom.conf ? Please clarify if you have a configuration that works and point out what it is for other Nvidia users.
"The first try, grub had nomodeset in it, and the system was able to boot, the wayland session was filtered out."
That sounds like a fix, and an answer to comment #8...? Does that mean you didn't need to disable wayland in /etc/gdm3/ custom. conf ? Please clarify if you have a configuration that works and point out what it is for other Nvidia users.