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You don't have to worry. The folks at fedora have decided that the X11 session will remain in fedora 40 so you will be able to use X11 if you still face issues in wayland.
Edit : I was not clear enough. Want I mean to say is that the kwin-x11 and other required packages will be part of the fedora repo and people can just download them to enable the plasma-X11 session
Where did you see that? Are you sure you are not confusing it with fedora gnome?
At today's FESCo meeting, we agreed on the following proposal:
AGREED: KDE packages which reintroduce support for X11 are allowed in the main Fedora repositories, however they may not be included by default on any release-blocking deliverable (ISO, image, etc.). The KDE SIG should provide a notice before major changes, but is not responsible for ensuring that these packages adapt. Upgrades from F38 and F39 will be automatically migrated to Wayland. (+5, 0, -1)
For additional clarification: this means that all users performing upgrades MUST be migrated to the Wayland session. They then MAY opt-in to the X11 session by installing a package for that purpose. We are explicitly not providing detailed technical implementation requirements here, but we expect all parties to follow the spirit of this decision when making technical decisions.
They are likely just removing the entry in sddm.
On Kinoite you will need a custom RPM to change that setting
there's a lot of stuff you can do, and you can end up with something usable, though not great, at least not in my experience. NVidia's drivers are to blame, they don't really work well with opengl and have lots of issues (and also regressions).
The 550 beta driver is ok-ish, steam flickers but I can play games. Drivers before 535 also somewhat worked, though it really depends on your GPU.
But I don't think you will have it working acceptably without some work.
Here's some pointers on stuff to try:
XWAYLAND_NO_GLAMOR=1, WLR_RENDERER=vulkan, LIBVA_DRIVER_NAME=nvidia, GBM_BACKEND=nvidia-drm (for the drm above), __GLX_VENDOR_LIBRARY_NAME=nvidiaThe above is meant more as hints than something to copy paste, so use at your own risk. You can of course always just install a second DE with X11 and log into that for gaming and use your regular DE for everything else
None of these will help it, sadly. The flickering is an XWayland issue that’s still not fixed. Switching to native Wayland when possible would eliminate the flickering completely, however with games it’s not as easy.
In the case of minecraft specifically, you’ll require the newest version of lwjgl, which just got experimental Wayland support. Same for Windows games under Wine. 9.x had a native Wayland mode hidden in the settings
The usual xwayland flicker alternates last two frames (unlike op's black flicker) and never occurred to me while playing a game, so op's problem is probably something else
I'm experiencing the exact same issue as the op, hence the comment. This is what helped me
Can you tell me how you did it? I just found an old guide for lwjgl 2.x.
Realistically you should just need lwjgl-glfw version 3.3.3 or newer, and that should be it
Roll back your drivers to 535 if you're on 545. 545 is broken
Is 545 still the latest? That release was so awful it made me completely drop Nvidia and pick up an AMD card. Fixed so many issues
Yep. 550 is in beta but it's unclear if it fixes things
Wow, I'm glad I switched back in early December. What a nightmare it would be to still have those problems
Have you tried temporarily disabling the Compositor with Shift+Alt+F12? This fixed a lot of my graphical issues in games under Wayland with an Nvidia card.
That shortcut does nothing on Wayland. What you're experiencing is either placebo, or you're not using Wayland
You're correct, it's actually a KDE shortcut. My misunderstanding.
In my case it did help, so not a placebo. Given that OP is also using KDE, it may still help.
Yes, it is a KDE shortcut, a kwin_x11 shortcut to be more specific. It's not a thing with kwin_wayland, and so it most certainly did not help or do anything for you - unless you're not actually using the Wayland session of course.
Ah, gotcha. I'm not new to Linux in general, but I'm very new to running it as a desktop (as in, the last few weeks). The last time I really tried was well before Wayland was even a thing. I've been distro hopping a lot to find what I like, and didn't even realize I wasn't using Wayland this time, oops. That certainly explains why it worked for me.
Learn something new every day. Thanks!
Try forcing Minecraft to use XWayland. Thats easy to do when using the Flatpak (you can open it, close it again and then copy the ~/.minecraft stuff to ~/.var/app/com.mojang.Minecraft/.minecraft or how its called to save time.
Then in the KDE Flatpak settings you can disable Wayland (under "more settings") and it will run as XWayland, that may fix something.
And if you want to keep using Xorg on Fedora KDE and even Kinoite that should be possible by editing either /etc/sddm.conf or some configfile in /etc/sddm.conf.d/. This does not require the "install a RPM" hack that adding SDDM themes does.
Btw if you want a LAN world you need to allow some random 25565 or something Port as UDP and another random port tcp and udp afaik. You enter that one port then and discovery doesnt work but other people can directly connect to you
I'm having the exact same situation with a 2060 super particularly badly when CPU spikes but not exclusively
Full screen hasn't worked for me, but that's probably because I'm using hyprland. Forcing it to run in xwayland solved the issue for you?
It didn't really solved it,it just felt like it was a lot better.
Ah. So no solution in sight til Nvidia fixes their buggy driver then?
At least I know I'm not the only one getting this
It is probably your NVIDIA driver. Version 545 has this kind of problem. Rolling back to 535 solved it for me.
Switching over to the discrete GPU work in the efi/bios might help. Optimus (the driver that chooses between discrete and integrated) is known to be a steaming pile.
is there a way you could make it use the integrated GPU on your workstation?
I don't have any
Might help to disable glamor
https://gitlab.freedesktop.org/xorg/xserver/-/issues/1317
This fixes the problem but it drops my framerate to about 10 per second.
Then it sounds like you can either wait for nvidia to fix their buggy drivers (have you tried the beta drivers too?) or sell your 2060 fe and buy an amd gpu that will play much nicer with kde wayland.