https://bugs.kde.org/show_bug.cgi?id=3D396585

--- Comment #5 from Panos <panospolychronis@gmail.com> ---
Fedora Linux 28

[panos@deimos ~]$ gdb -ex=3Dr --args kcmshell5 kwindecoration kwinactions
kwinfocus kwinmoving kwinadvanced kwinrules kwincompositing kwineffects
kwintabbox kwinscreenedges kwinscripts
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Reading symbols from kcmshell5...Reading symbols from
/usr/lib/debug/usr/bin/kcmshell5-5.13.3-2.fc28.x86_64.debug...done.
done.
Starting program: /usr/bin/kcmshell5 kwindecoration kwinactions kwinfocus
kwinmoving kwinadvanced kwinrules kwincompositing kwineffects kwintabbox
kwinscreenedges kwinscripts
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
[New Thread 0x7fffd6790700 (LWP 3865)]
[New Thread 0x7fffcd589700 (LWP 3867)]
Calling KPluginInfo::property("X-KDE-PluginInfo-Name") is deprecated, use
KPluginInfo::pluginName() in
"/usr/lib64/qt5/plugins/org.kde.kdecoration2/breezedecoration.so" instead.
file:///usr/share/kwin/kcm_kwindecoration/Previews.qml:36: ReferenceError:
savedIndex is not defined
file:///usr/share/kwin/kcm_kwindecoration/Buttons.qml:143: ReferenceError:
iconLabel is not defined
[New Thread 0x7fffc16b6700 (LWP 3869)]
org.kde.kcoreaddons: Expected JSON property "X-KWin-Border-Activate" to be a
single string. but it is a bool
org.kde.kcoreaddons: Expected JSON property "X-KWin-Exclude-Listing" to be a
single string. but it is a bool
file:///usr/share/kwin/kcm_kwindecoration/Previews.qml:36: ReferenceError:
savedIndex is not defined
Calling KPluginInfo::property("X-KDE-PluginInfo-Name") is deprecated, use
KPluginInfo::pluginName() in
"/usr/lib64/qt5/plugins/org.kde.kdecoration2/breezedecoration.so" instead.
file:///usr/share/kwin/kcm_kwindecoration/Buttons.qml:143: ReferenceError:
iconLabel is not defined
[New Thread 0x7fffba351700 (LWP 3870)]
Calling KPluginInfo::property("X-KDE-PluginInfo-Name") is deprecated, use
KPluginInfo::pluginName() in
"/usr/lib64/qt5/plugins/org.kde.kdecoration2/breezedecoration.so" instead.
[New Thread 0x7fffb6146700 (LWP 3871)]
Module 'org.kde.kwin.decoration' does not contain a module identifier direc=
tive
- it cannot be protected from external registrations.
wl_display@1: error 0: invalid object 84
The Wayland connection experienced a fatal error (=CE=9C=CE=B7 =CE=AD=CE=B3=
=CE=BA=CF=85=CF=81=CE=B7 =CF=80=CE=B1=CF=81=CE=AC=CE=BC=CE=B5=CF=84=CF=81=
=CE=BF=CF=82)
[Thread 0x7fffb6146700 (LWP 3871) exited]
[Thread 0x7fffd6790700 (LWP 3865) exited]
[Thread 0x7fffc16b6700 (LWP 3869) exited]
[Thread 0x7fffcd589700 (LWP 3867) exited]
[Thread 0x7fffe582d940 (LWP 3854) exited]
[Inferior 1 (process 3854) exited with code 01]
(gdb)=20

(again without kwindecoration it's working properly)

--=20
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