Fail into start Wayland and X11 not show title bar after upgrading from 24.04 to 24.10

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Hello,
I tried to upgrade from 24.04 to 24.10, but I could not login from sddm to Plasma Wayland (always at the screen of login).
I could switch into Plasma X11 but there is no title bar and I could not move window, or switch between them.

I try to start Plasma Wayland by switch to Ctrl-F3, run dbus-run-session /usr/bin/startplasma-wayland
But I get an error of:
symbol lookup error: /lib/x86_x64-linux-gnu/libkwin.so.6: undefined symbol: wl_display_set_default_max_buffer_size

and

fusermount3: failed to access mountpoint /run/user/1000/doc: Permission denied
error: fuse init failed: Can’t mount path /run/user/1000/doc

qt.qpa.wayland: “wl-shell” is a deprecated shell extension, prefer using “xdg-shell” if supported by the compositor by setting the environment variable QT_WAYLAND_SHELL_EXTENSION
qt.qpa.wayland: Loading shell integration failed.
qt.qpa.wayland: Attempted to load the following shells QList(“xdg-shell”, “wl-shell”, “ivi-shell”, “qt-shell”)

Thank for any reply.
Thuan

2

Hi Thuan,

i had the same problem after ugrading opensuse tumbleweed last month.
The Symbol should be defined in libwayland-server.so
You can review with: nm -D <path to library>
In my case, i was using wayland-server from amdgpu repository, which did not contain the symbol.
After removing the amdgpu-package, the wayland-server from my opensuse-distro was used instead. It contains the symbol and luckily kwin works again.
I hope this solves your problem or at least gives you a hint.
Regards, Christian

1 Like
3

Thank Christian,
I have reinstalled my kubuntu and it is smoothly running.
Thanks