https://bugs.kde.org/show_bug.cgi?id=430501
Bug ID: 430501
Summary: kwin_wayland can't load wayland-org.kde.kwin.qpa and
won't start from CLI
Product: kwin
Version: git master
Platform: Gentoo Packages
OS: Linux
Status: REPORTED
Severity: critical
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
git-master kwin_wayland just (within the last 2-3 days, I'm at a2c765800 ATM,
today's frameworks and the rest of plasma too) started failing to startup from
the CLI (dbus-run-session startplasma-wayland). I'm presently running plasma/X
since plasma/wayland won't run.
By moving kwin_wayland to kwin_wayland.bin and replacing it with a wrapper
script that saves STDERR, I was able to get this
>>>
qt.qpa.plugin: Could not load the Qt platform plugin "wayland-org.kde.kwin.qpa"
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.
Available platform plugins are: minimal, offscreen, wayland-egl, wayland,
wayland-xcomposite-egl, wayland-xcomposite-glx, xcb, wayland-org.kde.kwin.qpa.
<<<
I had trouble associating that plugin string with an actual file, but
eventually, comparing the current kwin package to a backup, I see the current
version is missing /usr/lib64/qt5/plugins/platforms/KWinQpaPlugin.so. The
(seemingly successful) build log has a bunch of KWinQpaPlugin hits, but none
for the .so. Unless it was folded into kwin_wayland itself (step 888/918 does
seem to be linking a bunch of *.o files from KWinQpaPlugin.dir into
bin/kwin_wayland, maybe it was), that would be the problem. But in the
still-separate case why wouldn't the *.so be built, and if it was folded-in,
why won't kwin_wayland load?
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