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Topic: Plasma Wayland won't start (Read 394 times) previous topic - next topic
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Plasma Wayland won't start

After today's vulkan update I can not log into Wayland

cat ~/.local/share/sddm/wayland-session.log
Code: [Select]
MESA-LOADER: failed to open radeonsi: libLLVM.so.18.1 ...
MESA-LOADER: failed to open kms_swrast: libLLVM.so.18.1 ...
kwin_wayland_drm: No suitable DRM devices have been found ...
...
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")
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")
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")
Error: could not determine $DISPLAY.
Error: Can not contact kdeinit5!
org.kde.startup: "kdeinit5_shutdown" QList() exited with code 255
startplasma-wayland: Shutting down...
startplasmacompositor: Shutting down...
startplasmacompositor: Done.
qt.qpa.plugin: Could not load the Qt platform plugin "wayland" in "" even though it was found.
qt.qpa.xcb: could not connect to display :1
qt.qpa.plugin: From 6.5.0, xcb-cursor0 or libxcb-cursor0 is needed to load the Qt xcb platform plugin.
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Re: Plasma Wayland won't start

Reply #1 –
optionally I could only load X11 session with errors as well
(but that's just minor issue anyway)

Re: Plasma Wayland won't start

Reply #2 –
Same issue here. SDDM also refused to start in my case, resulted in a black screen.
The following packages were updated.

Code: [Select]
[2024-07-06T09:58:30+0200] [ALPM] upgraded lib32-libdrm (2.4.120-1 -> 2.4.122-1)
[2024-07-06T09:58:30+0200] [ALPM] upgraded lib32-libgpg-error (1.49-1 -> 1.50-1)
[2024-07-06T09:58:30+0200] [ALPM] upgraded libva-mesa-driver (1:24.1.2-1 -> 1:24.1.3-1)
[2024-07-06T09:58:30+0200] [ALPM] upgraded lib32-libva-mesa-driver (1:24.1.2-1 -> 1:24.1.3-1)
[2024-07-06T09:58:31+0200] [ALPM] upgraded mesa (1:24.1.2-1 -> 1:24.1.3-1)
[2024-07-06T09:58:31+0200] [ALPM] upgraded lib32-mesa (1:24.1.2-1 -> 1:24.1.3-1)
[2024-07-06T09:58:31+0200] [ALPM] upgraded vulkan-radeon (1:24.1.2-1 -> 1:24.1.3-1)
[2024-07-06T09:58:31+0200] [ALPM] upgraded lib32-vulkan-radeon (1:24.1.2-1 -> 1:24.1

The problem was solved after reverting the mesa package. Also reverted the vulkan-radeon package, unsure if that helped though as that alone didn't fix the problem.

Re: Plasma Wayland won't start

Reply #3 –
isn't it dangerous to try updating above mentioned mesa/vulkan drivers from gremlins ?

Re: Plasma Wayland won't start

Reply #4 –
Just downgrade them with the previous package versions still stored in /var/cache/pacman/pkg with pacman -U