Wayland bug? Can't not login wayland from wayland, can login wayland from X11

I followed the following steps:

  1. edit /etc/mkinitcpio.conf
MODULES=(nvidia nvidia_modeset nvidia_uvm nvidia_drm)

then sudo mkinitcpio -P

  1. add the kernel flag with grub, you have to edit /etc/default/grub by running sudo nano /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3 quiet nvidia_drm.modeset=1"

then sudo grub-mkconfig -o /boot/grub/grub.cfg


logout x11 then login wayland work fine, now logout and login wayland the 2nd or 3rd time, i got black screen, still access krunner to launch app but seems plasma shell is not working.

system info:

OS: Manjaro 23.0.0 Uranos
Kernel: x86_64 Linux 6.4.12-1-MANJARO
Packages: 2351
Shell: zsh 5.9
Resolution: 6976x2560
DE: KDE 5.109.0 / Plasma 5.27.7
WM: KWin
GTK Theme: Adwaita-dark [GTK2/3]
Icon Theme: Papirus-Dark
Disk: 291G / 945G (33%)
CPU: 12th Gen Intel Core i7-12700K @ 20x 4.9GHz [39.0°C]
GPU: NVIDIA GeForce RTX 4090
RAM: 4746MiB / 31836MiB

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Wayland bug? Can’t not login wayland from wayland, can login wayland from X11

For your info:
I have no issue with KDE wayland because of AMD GPU.

Nvidia and Wayland are not friends yet. There are many known problems in the forum and other search engines.

Nvidia users should stick to KDE Xorg.

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I believe this is the same nvidia bug mentioned here. I don’t think this is a problem of KDE, since I tried hyprland and found I can’t login hyprland if I set the monitor to 120hz.

This bug is fixed in the Nvidia driver for Linux 6.5. Wayland is usable now. I can log in even if when my monitor is set to 120hz. Previously I can only login into 60hz.

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