https://bugs.kde.org/show_bug.cgi?id=445634
Bug ID: 445634
Summary: SSDM reports an error. Unable to log in.
Product: frameworks-plasma
Version: 5.88.0
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: libplasma
Assignee: notm...@gmail.com
Reporter: fizi...@gmail.com
CC: plasma-b...@kde.org
Target Milestone: ---
SUMMARY
SDDM displays the error shown in the attachment. It is not possible to log in.
STEPS TO REPRODUCE
1. Upgrade packages, See attachment
2. reboot
3. SDDM crash
OBSERVED RESULT
Under SDDM, the breeze theme does not load.
An error is displayed:
The current theme cannot be loaded due to the errors below, please select
another theme.
After uninstalling the breeze theme and installing the lubuntu theme, it is
still impossible to log in.
Systemd logs:
lis 17 09:09:25 computer systemd[1]: Started Session 16 of user sddm.
lis 17 09:09:25 computer sddm[24268]: Greeter session started successfully
lis 17 09:09:25 computer sddm-greeter[24293]: High-DPI autoscaling not Enabled
lis 17 09:09:25 computer sddm-greeter[24293]: Reading from
"/usr/share/wayland-sessions/plasma-mobile.desktop"
lis 17 09:09:25 computer sddm-greeter[24293]: Reading from
"/usr/share/wayland-sessions/plasmawayland.desktop"
lis 17 09:09:25 computer sddm-greeter[24293]: Reading from
"/usr/share/xsessions/plasma.desktop"
lis 17 09:09:25 computer sddm-greeter[24293]: Loading theme configuration from
"/usr/share/sddm/themes/breeze/theme.conf"
lis 17 09:09:25 computer sddm-greeter[24293]: Connected to the daemon.
lis 17 09:09:25 computer sddm-greeter[24293]: QFont::fromString: Invalid
description '(empty)'
lis 17 09:09:25 computer sddm[24268]: Message received from greeter: Connect
lis 17 09:09:25 computer sddm-greeter[24293]: Loading
file:///usr/share/sddm/themes/breeze/Main.qml...
lis 17 09:09:25 computer sddm-greeter[24293]:
file:///usr/share/sddm/themes/breeze/Main.qml:14:1: plugin cannot be loaded for
module "org.kde.plasma.core": Cannot load library
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so:
(/usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5: undefined symbol:
_ZNK15KPluginMetaData5valueERK7QStringRK11QStringList)
lis 17 09:09:25 computer sddm-greeter[24293]:
file:///usr/share/sddm/themes/breeze/Main.qml:14:1: plugin cannot be loaded for
module "org.kde.plasma.core": Cannot load library
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so:
(/usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5: undefined symbol:
_ZNK15KPluginMetaData5valueERK7QStringRK11QStringList)
lis 17 09:09:25 computer sddm-greeter[24293]: Fallback to embedded theme
lis 17 09:09:25 computer sddm-greeter[24293]:
file:///usr/lib/x86_64-linux-gnu/qt5/qml/SddmComponents/LayoutBox.qml:35:5: QML
Connections: Implicitly defined onFoo properties in Connections are deprecated.
Use this syntax instead: function onFoo(<arguments>) { ... }
lis 17 09:09:25 computer nxexec[23435]: pam_unix(nx:session): session closed
for user sddm
lis 17 09:09:25 computer nxexec[24319]: pam_unix(nx:session): session opened
for user sddm by (uid=133)
lis 17 09:09:25 computer systemd-logind[1703]: New session c7 of user sddm.
Cannot login to the system.
EXPECTED RESULT
To be able to log into the system.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
Distributor ID: Neon
Description: KDE neon User - Plasma 25th Anniversary Edition
Release: 20.04
Codename: focal
Operating System: KDE neon 5.23
KDE Plasma Version: 5.23.3
KDE Frameworks Version: 5.86.0
Qt Version: 5.15.3
Kernel Version: 5.4.0-90-generic (64-bit)
Graphics Platform: X11
ADDITIONAL INFORMATION
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