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#1 2021-05-13 09:19:28

zash1958
Member
Registered: 2019-10-23
Posts: 11

[SOLVED] KDE load error with problems in "libKF5PlasmaQuick"

I have an strange issue. My Arch and KDE are patched to latest versions.


As long as in "/usr/lib" there is linked libKF5PlasmaQuick.so the the newest lib libKF5PlasmaQuick.so.5.82.0 get the following error. And neither plasmashell could be started nor krunner works. All are claiming the error of "undefined symbol" listed as follows

Mai 13 09:05:47 hugin sddm-greeter[1409]: file:///usr/share/sddm/themes/breeze/Main.qml:26:1: plugin cannot be loaded for module "org.kde.plasma.core": Cannot load library /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so: (/usr/lib/libKF5PlasmaQuick.so.5: undefined symbol: _ZN14KWindowEffects11slideWindowEP7QWindowNS_17SlideFromLocationEi) 
Mai 13 09:05:47 hugin sddm-greeter[1409]: file:///usr/share/sddm/themes/breeze/Main.qml:26:1: plugin cannot be loaded for module "org.kde.plasma.core": Cannot load library /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so: (/usr/lib/libKF5PlasmaQuick.so.5: undefined symbol: _ZN14KWindowEffects11slideWindowEP7QWindowNS_17SlideFromLocationEi) 
Mai 13 09:05:48 hugin sddm-greeter[1409]: file:///usr/share/sddm/themes/breeze/Main.qml:26:1: plugin cannot be loaded for module "org.kde.plasma.core": Cannot load library /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so: (/usr/lib/libKF5PlasmaQuick.so.5: undefined symbol: _ZN14KWindowEffects11slideWindowEP7QWindowNS_17SlideFromLocationEi) 
Mai 13 09:05:48 hugin sddm-greeter[1409]: file:///usr/share/sddm/themes/breeze/Main.qml:26:1: plugin cannot be loaded for module "org.kde.plasma.core": Cannot load library /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so: (/usr/lib/libKF5PlasmaQuick.so.5: undefined symbol: _ZN14KWindowEffects11slideWindowEP7QWindowNS_17SlideFromLocationEi) 
Mai 13 09:06:52 hugin krunner[9124]: /usr/bin/krunner: symbol lookup error: /usr/lib/libKF5PlasmaQuick.so.5: undefined symbol: _ZN14KWindowEffects11slideWindowEP7QWindowNS_17SlideFromLocationEi
Mai 13 09:19:53 hugin krunner[26069]: /usr/bin/krunner: symbol lookup error: /usr/lib/libKF5PlasmaQuick.so.5: undefined symbol: _ZN14KWindowEffects11slideWindowEP7QWindowNS_17SlideFromLocationEi
                                                        "Error loading QML file.\n24: plugin cannot be loaded for module \"org.kde.plasma.core\": Cannot load library /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so: (/usr/lib/libKF5PlasmaQuick.so.5: undefined symbol: _ZN14KWindowEffects11slideWindowEP7QWindowNS_17SlideFromLocationEi)\n"
Mai 13 09:20:18 hugin ksmserver-logout-greeter[26079]: kde.logout_greeter: (file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/logout/Logout.qml:24:1: plugin cannot be loaded for module "org.kde.plasma.core": Cannot load library /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so: (/usr/lib/libKF5PlasmaQuick.so.5: undefined symbol: _ZN14KWindowEffects11slideWindowEP7QWindowNS_17SlideFromLocationEi)
                                                        "Error loading QML file.\n24: plugin cannot be loaded for module \"org.kde.plasma.core\": Cannot load library /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so: (/usr/lib/libKF5PlasmaQuick.so.5: undefined symbol: _ZN14KWindowEffects11slideWindowEP7QWindowNS_17SlideFromLocationEi)\n"
Mai 13 09:20:18 hugin ksmserver-logout-greeter[26079]: kde.logout_greeter: (file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/logout/Logout.qml:24:1: plugin cannot be loaded for module "org.kde.plasma.core": Cannot load library /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so: (/usr/lib/libKF5PlasmaQuick.so.5: undefined symbol: _ZN14KWindowEffects11slideWindowEP7QWindowNS_17SlideFromLocationEi)
Mai 13 09:22:11 hugin krunner[1991]: /usr/bin/krunner: symbol lookup error: /usr/lib/libKF5PlasmaQuick.so.5: undefined symbol: _ZN14KWindowEffects11slideWindowEP7QWindowNS_17SlideFromLocationEi
Mai 13 09:24:14 hugin krunner[2405]: /usr/bin/krunner: error while loading shared libraries: libKF5PlasmaQuick.so.5: cannot open shared object file: No such file or directory

If I link libKF5PlasmaQuick.so.5 to the older library file libKF5PlasmaQuick.so.5.81.0 the the system runs without any problem.

Has anybody an idea what can be wrong here. Plasma Framework is on version 82 and all other modules are also up to date.

Last edited by zash1958 (2021-05-14 16:35:17)

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#2 2021-05-13 12:45:27

d_fajardo
Member
Registered: 2017-07-28
Posts: 1,656

Re: [SOLVED] KDE load error with problems in "libKF5PlasmaQuick"

Does /usr/lib/libKF5PlasmaQuick.so.5 exist?
Does cleaning the KDE caches and configs make any difference?

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#3 2021-05-13 13:46:22

zash1958
Member
Registered: 2019-10-23
Posts: 11

Re: [SOLVED] KDE load error with problems in "libKF5PlasmaQuick"

Yepp,

libKF5PlasmaQuick.so

is linked to

libKF5PlasmaQuick.so.5.82.0

Tomorrow I can test it with another, never used account on this machine

Thanks

Uwe

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#4 2021-05-13 15:24:42

arojas
Developer
From: Spain
Registered: 2011-10-09
Posts: 2,162

Re: [SOLVED] KDE load error with problems in "libKF5PlasmaQuick"

This is a partial upgrade issue. You are mixing different versions of KDE frameworks, which is unsupported.

zash1958 wrote:

My Arch and KDE are patched to latest versions.

What does this mean?

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#5 2021-05-13 18:19:51

zash1958
Member
Registered: 2019-10-23
Posts: 11

Re: [SOLVED] KDE load error with problems in "libKF5PlasmaQuick"

All is updated with pacman -Syu to actual versions:

- KDE Framework 5.82.0
- QT 5.15.2
- KDE Plasma 5.21.5

I think the error must occur on another problem. Maybe there is another compatibility problem. Can the used theme in KDE cause the problem?

Last edited by zash1958 (2021-05-13 18:20:58)

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#6 2021-05-13 19:50:15

arojas
Developer
From: Spain
Registered: 2011-10-09
Posts: 2,162

Re: [SOLVED] KDE load error with problems in "libKF5PlasmaQuick"

I already told you what the problem is: you are mixing different versions of KDE frameworks. Check your unsupported packages.

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#7 2021-05-14 09:25:21

zash1958
Member
Registered: 2019-10-23
Posts: 11

Re: [SOLVED] KDE load error with problems in "libKF5PlasmaQuick"

Maybe I wrote it misunderstandable:

IF I use the entire (unmixed) 5.82 framework I get the error listed above and the system is unusable

Only using the libKF5PlasmaQick (all other framework parts are on 5.82) in version 5.81 the system is running as before.

In Short: I get this problem only using the entire and complete 5.82 framework


Messages using the ENTIRE 5.82 framework:

Mai 14 11:27:18 hugin dbus-daemon[1496]: [session uid=1000 pid=1496] Activating via systemd: service name='org.kde.krunner' unit='plasma-krunner.service' requested by ':1.282' (uid=1000 pid=24590 comm="dbus-send --type=method_call --dest=org.kde.krunne")
Mai 14 11:27:18 hugin systemd[1473]: Starting KRunner...
Mai 14 11:27:18 hugin krunner[24594]: /usr/bin/krunner: symbol lookup error: /usr/lib/libKF5PlasmaQuick.so.5: undefined symbol: _ZN14KWindowEffects11slideWindowEP7QWindowNS_17SlideFromLocationEi
Mai 14 11:27:18 hugin systemd[1473]: plasma-krunner.service: Main process exited, code=exited, status=127/n/a
Mai 14 11:27:18 hugin systemd[1473]: plasma-krunner.service: Failed with result 'exit-code'.
Mai 14 11:27:18 hugin systemd[1473]: Failed to start KRunner.

Last edited by zash1958 (2021-05-14 09:29:16)

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#8 2021-05-14 09:46:24

arojas
Developer
From: Spain
Registered: 2011-10-09
Posts: 2,162

Re: [SOLVED] KDE load error with problems in "libKF5PlasmaQuick"

Post the output of

pacman -Q kwindowsystem

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#9 2021-05-14 10:29:51

zash1958
Member
Registered: 2019-10-23
Posts: 11

Re: [SOLVED] KDE load error with problems in "libKF5PlasmaQuick"

pacman -Q kwindowsystem
kwindowsystem 5.82.0-1

BUT:

Today was a big update of plasma apps and I updated all.

Additional I reinstalled "kwindowsystem" with "pacman -S kwindowsystem" and all runs fine now ??

Maybe a former update of kwindowsystem does not run complete or properly. But now all is good

Thank You for giving me a hint to look once more in this edge.

Solved now!

How can I mark this topic as solved?

Last edited by zash1958 (2021-05-14 10:37:20)

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#10 2021-05-14 12:16:21

2ManyDogs
Forum Fellow
Registered: 2012-01-15
Posts: 4,646

Re: [SOLVED] KDE load error with problems in "libKF5PlasmaQuick"

zash1958 wrote:

How can I mark this topic as solved?

Edit your first post and add [SOLVED] to the title. See "How To Post" linked in my signature.

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#11 2021-05-25 17:03:05

duzun
Member
Registered: 2019-10-20
Posts: 2

Re: [SOLVED] KDE load error with problems in "libKF5PlasmaQuick"

arojas wrote:

Post the output of

pacman -Q kwindowsystem

Thank you, it helped me solve the issue!

In my case, after the update, I had  kwindowsystem-git installed. Just replaced it with kwindowsystem and it fixed the issue.

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#12 2021-11-14 20:57:27

abel-salim
Member
Registered: 2021-11-14
Posts: 2

Re: [SOLVED] KDE load error with problems in "libKF5PlasmaQuick"

I managed to solve this problem by installing the following package: plasma-framework

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