After doing my monthly -Syu on Arch, my primary display (external monitor) came up nuked (no taskbar, no wallpaper). I'm running on Plasma 5, X.org. Three points are striking:

1. When I go to the display settings, my primary monitor is set right. If I make my laptop monitor primary and then go back, the issue is solved.

2. If I log-off after doing (1.), the problem does not reappear. But if I restart, my external monitor is nuked again.

3. Restarting plasmashell also works (kbuildsycoca5 && kquitapp5 plasmashell && kstart5 plasmashell)


There is an issue at startup. Do you know which process could be at stake?

OK I dig a little and I believe the issue comes from plasmashell that doesn't wanna start at boot. Here is what I got if anyone could identify the problem (which is referred on other forums but without a clear answer):

Code: Select all

$ kbuildsycoca5 && kquitapp5 plasmashell && kstart5 plasmashell
kbuildsycoca5 running...
kf5.kservice.services: The desktop entry file "/usr/share/applications/org.kde.systemmonitor.desktop" has Type= "Application" but no Exec line
kf5.kservice.sycoca: Invalid Service :  "/usr/share/applications/org.kde.systemmonitor.desktop"
org.kde.plasma.pulseaudio: No object for name "alsa_output.usb-FiiO_DigiHug_USB_Audio-01.analog-stereo"
org.kde.plasma.pulseaudio: No object for name "alsa_output.usb-FiiO_DigiHug_USB_Audio-01.analog-stereo"
org.kde.plasma.pulseaudio: No object for name "alsa_input.usb-FiiO_DigiHug_USB_Audio-01.analog-stereo"
trying to show an empty dialog
Omitting both --window and --windowclass arguments is not recommended
[fabien@xps-13-fp ~]$ org.kde.plasmaquick: Applet preload policy set to 1
Warning: all files used by qml by the plasmoid should be in ui/. The file in the path "file:///usr/share/plasma/plasmoids/org.kde.desktopcontainment/contents/code/LayoutManager.js" was expected at QUrl("file:///usr/share/plasma/plasmoids/org.kde.desktopcontainment/contents/ui/LayoutManager.js")
Warning: all files used by qml by the plasmoid should be in ui/. The file in the path "file:///usr/share/plasma/plasmoids/org.kde.desktopcontainment/contents/code/FolderTools.js" was expected at QUrl("file:///usr/share/plasma/plasmoids/org.kde.desktopcontainment/contents/ui/FolderTools.js")
kf5.kpackage: No metadata file in the package, expected it at: "/home/fabien/Téléchargements/"
kf5.kpackage: No metadata file in the package, expected it at: "/home/fabien/Téléchargements/"
kf5.kpackage: No metadata file in the package, expected it at: "/home/fabien/Téléchargements/"
trying to show an empty dialog
file:///usr/share/plasma/plasmoids/org.kde.desktopcontainment/contents/ui/FolderItemDelegate.qml:294:17: QML Text: Binding loop detected for property "width"
file:///usr/share/plasma/plasmoids/org.kde.desktopcontainment/contents/ui/FolderItemDelegate.qml:294:17: QML Text: Binding loop detected for property "width"
file:///usr/share/plasma/plasmoids/org.kde.desktopcontainment/contents/ui/FolderItemDelegate.qml:294:17: QML Text: Binding loop detected for property "width"
couldn't convert QVariant(QJSValue, ) to translate
Empty filename passed to function
Empty filename passed to function
couldn't convert QVariant(QJSValue, ) to translate
org.kde.plasmaquick: New Applet  "Tiled Menu" with a weight of 0
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
Trying to use rootObject before initialization is completed, whilst using setInitializationDelayed. Forcing completion
Loading Calendar plugin PimEventsPlugin(0x559ce648b580)
Both point size and pixel size set. Using pixel size.
Both point size and pixel size set. Using pixel size.
Both point size and pixel size set. Using pixel size.
trying to show an empty dialog
org.kde.plasmaquick: New Applet  "Horloge numérique" with a weight of 0
Warning: all files used by qml by the plasmoid should be in ui/. The file in the path "file:///usr/share/plasma/plasmoids/org.kde.panel/contents/code/LayoutManager.js" was expected at QUrl("file:///usr/share/plasma/plasmoids/org.kde.panel/contents/ui/LayoutManager.js")
trying to show an empty dialog
Warning: all files used by qml by the plasmoid should be in ui/. The file in the path "file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/code/uiproperties.js" was expected at QUrl("file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/uiproperties.js")
org.kde.plasmaquick: New Applet  "Notifications" with a weight of 0
org.kde.plasmaquick: New Applet  "Volume audio" with a weight of 0
Plasma Shell startup completed
Warning: all files used by qml by the plasmoid should be in ui/. The file in the path "file:///usr/share/plasma/plasmoids/org.kde.plasma.battery/contents/code/logic.js" was expected at QUrl("file:///usr/share/plasma/plasmoids/org.kde.plasma.battery/contents/ui/logic.js")
org.kde.plasmaquick: New Applet  "Batterie et luminosité" with a weight of 0
Both point size and pixel size set. Using pixel size.
Warning: all files used by qml by the plasmoid should be in ui/. The file in the path "file:///usr/share/plasma/plasmoids/org.kde.plasma.bluetooth/contents/code/logic.js" was expected at QUrl("file:///usr/share/plasma/plasmoids/org.kde.plasma.bluetooth/contents/ui/logic.js")
org.kde.plasmaquick: New Applet  "Bluetooth" with a weight of 0
networkmanager-qt: void NetworkManager::NetworkManagerPrivate::propertiesChanged(const QVariantMap&) Unhandled property "AllDevices"
networkmanager-qt: void NetworkManager::NetworkManagerPrivate::propertiesChanged(const QVariantMap&) Unhandled property "Capabilities"
networkmanager-qt: void NetworkManager::NetworkManagerPrivate::propertiesChanged(const QVariantMap&) Unhandled property "ConnectivityCheckAvailable"
networkmanager-qt: void NetworkManager::NetworkManagerPrivate::propertiesChanged(const QVariantMap&) Unhandled property "ConnectivityCheckEnabled"
networkmanager-qt: void NetworkManager::NetworkManagerPrivate::propertiesChanged(const QVariantMap&) Unhandled property "Devices"
networkmanager-qt: void NetworkManager::NetworkManagerPrivate::propertiesChanged(const QVariantMap&) Unhandled property "GlobalDnsConfiguration"
networkmanager-qt: virtual void NetworkManager::ActiveConnectionPrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "StateFlags"
networkmanager-qt: virtual void NetworkManager::ActiveConnectionPrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "StateFlags"
networkmanager-qt: virtual void NetworkManager::ActiveConnectionPrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "StateFlags"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "LldpNeighbors"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "Real"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "LldpNeighbors"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "Real"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "LldpNeighbors"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "Real"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "LldpNeighbors"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "Real"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "LldpNeighbors"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "Real"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "LldpNeighbors"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "Real"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "LldpNeighbors"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "Real"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "LldpNeighbors"
networkmanager-qt: virtual void NetworkManager::DevicePrivate::propertyChanged(const QString&, const QVariant&) Unhandled property "Real"
org.kde.plasmaquick: New Applet  "Réseaux" with a weight of 0
trying to show an empty dialog
qml: rootModel.refresh.star 1522794047243
KActivities: Database connection:  "kactivities_db_resources_140663507425280_readonly"
    query_only:          QVariant(qlonglong, 1)
    journal_mode:        QVariant(QString, "wal")
    wal_autocheckpoint:  QVariant(qlonglong, 100)
    synchronous:         QVariant(qlonglong, 0)
Nothing to load - the client id is empty
qml: rootModel.refresh.done 1522794047287
qml: allAppsModel.refresh().star 1522794047345
qml: allAppsModel.refresh().done 1522794047367