SUMMARY Plasmashell crashes immediately on launch. Logs below captured via terminal when starting plasmashell again, and then navigating to the Application Launcher which makes it crash again. STEPS TO REPRODUCE 1. kstart5 plasmashell 2. Navigate to Application Launcher 3. Mouseover various apps pinned to Favourites menu OBSERVED RESULT Desktop icons disappear, as does Task Manager bar. EXPECTED RESULT No crash. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Kubuntu 22.04 (with Kubuntu Backports PPA for newer KDE) KDE Plasma Version: 5.24.5 KDE Frameworks Version: 5.95.0 Qt Version: 5.15.3 ADDITIONAL INFORMATION boss@boss-XPS:~$ kstart5 plasmashell QSocketNotifier: Can only be used with threads started with QThread Omitting both --window and --windowclass arguments is not recommended boss@boss-XPS:~$ QSocketNotifier: Can only be used with threads started with QThread kf.plasma.quick: Applet preload policy set to 1 qml: PlasmaExtras.ScrollArea is deprecated. Use PlasmaComponents3.ScrollView instead. qt.qpa.wayland: Wayland does not support QWindow::requestActivate() qml: PlasmaExtras.ScrollArea is deprecated. Use PlasmaComponents3.ScrollView instead. qt.qpa.wayland: Wayland does not support QWindow::requestActivate() qt.qpa.wayland: Wayland does not support QWindow::requestActivate() Error: cannot change the containment to AppletsLayout Error: cannot change the containment to AppletsLayout Plasma Shell startup completed Plasma Shell startup completed qt.qpa.wayland: Wayland does not support QWindow::requestActivate() qt.qpa.wayland: Wayland does not support QWindow::requestActivate() file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/DigitalClock.qml:530:9: QML Label: Binding loop detected for property "height" file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/DigitalClock.qml:495:13: QML Label: Binding loop detected for property "height" Trying to use rootObject before initialization is completed, whilst using setInitializationDelayed. Forcing completion file:///usr/share/plasma/plasmoids/org.kde.plasma.systemmonitor/contents/ui/main.qml:43:5: QML MouseArea: Cannot anchor to an item that isn't a parent or sibling. file:///usr/share/plasma/plasmoids/org.kde.plasma.systemmonitor/contents/ui/main.qml:43:5: QML MouseArea: Cannot anchor to an item that isn't a parent or sibling. file:///usr/share/plasma/plasmoids/org.kde.plasma.systemmonitor/contents/ui/main.qml:43:5: QML MouseArea: Cannot anchor to an item that isn't a parent or sibling. file:///usr/share/plasma/plasmoids/org.kde.plasma.systemmonitor/contents/ui/main.qml:43:5: QML MouseArea: Cannot anchor to an item that isn't a parent or sibling. file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/DigitalClock.qml:495:13: QML Label: Binding loop detected for property "height" file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/DigitalClock.qml:530:9: QML Label: Binding loop detected for property "height" file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/DigitalClock.qml:552:5: QML Label: Binding loop detected for property "height" file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:94:13: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:94:13: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:57:9: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.piechart/contents/ui/CompactRepresentation.qml:22:1: QML CompactRepresentation: Binding loop detected for property "implicitHeight" file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.piechart/contents/ui/CompactRepresentation.qml:22:1: QML CompactRepresentation: Binding loop detected for property "implicitHeight" file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:94:13: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:94:13: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:57:9: Unable to assign [undefined] to int file:///usr/share/plasma/plasmoids/org.kde.panel/contents/ui/main.qml:18:1: QML DropArea (parent or ancestor of QQuickLayoutAttached): Binding loop detected for property "minimumWidth" qt.qpa.wayland: Wayland does not support QWindow::requestActivate() qt.qpa.wayland: Wayland does not support QWindow::requestActivate() QSocketNotifier: Can only be used with threads started with QThread Cyclic dependency detected between "file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/global/Globals.qml" and "file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationHeader.qml" libkcups: CUPS-Get-Printers last error: 1030 No destinations added. libkcups: Create-Printer-Subscriptions last error: 0 successful-ok libkcups: Get-Jobs last error: 0 successful-ok libkcups: Get-Jobs last error: 0 successful-ok file:///usr/share/plasma/plasmoids/org.kde.plasma.private.systemtray/contents/ui/ExpandedRepresentation.qml:165:9: QML HiddenItemsView: Binding loop detected for property "implicitHeight" QWaylandDataOffer: timeout reading from pipe QWaylandDataOffer: error reading data for mimeType application/x-kde-cutselection file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.piechart/contents/ui/CompactRepresentation.qml:22:1: QML CompactRepresentation: Binding loop detected for property "implicitHeight" file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.piechart/contents/ui/CompactRepresentation.qml:22:1: QML CompactRepresentation: Binding loop detected for property "implicitHeight" file:///usr/share/plasma/plasmoids/org.kde.plasma.private.systemtray/contents/ui/main.qml:17:1: QML MouseArea (parent or ancestor of QQuickLayoutAttached): Binding loop detected for property "minimumWidth" Error: cannot change the containment to AppletsLayout Error: cannot change the containment to AppletsLayout Both point size and pixel size set. Using pixel size. file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/Tooltip.qml:54:9: QML GridLayout (parent or ancestor of QQuickLayoutAttached): Binding loop detected for property "minimumWidth" libkcups: 0 libkcups: 0 qt.qpa.wayland: Wayland does not support QWindow::requestActivate() qt.qpa.wayland: Wayland does not support QWindow::requestActivate() file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/FullRepresentation.qml:22:1: QML FullRepresentation: Binding loop detected for property "implicitHeight" file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:94:13: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:94:13: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:57:9: Unable to assign [undefined] to int file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. QFont::setPointSizeF: Point size <= 0 (0.000000), must be greater than 0 file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. QWaylandDataOffer: timeout reading from pipe QWaylandDataOffer: error reading data for mimeType application/x-kde-cutselection qt.qpa.wayland: Wayland does not support QWindow::requestActivate() QWaylandDataOffer: timeout reading from pipe QWaylandDataOffer: error reading data for mimeType application/x-kde-cutselection qt.svg: Cannot open file '/home/boss/.local/share/JetBrains/Toolbox/apps/Rider/ch-0/.icon.svg', because: No such file or directory qt.svg: Cannot open file '/home/boss/.local/share/JetBrains/Toolbox/apps/Rider/ch-0/.icon.svg', because: No such file or directory QWaylandDataOffer: timeout reading from pipe QWaylandDataOffer: error reading data for mimeType application/x-kde-cutselection The Wayland connection broke. Did the Wayland compositor die? KCrash: Attempting to start /usr/bin/plasmashell KCrash: crashing... crashRecursionCounter = 2 KCrash: Application Name = plasmashell path = /usr/bin pid = 6976 KCrash: Arguments: /usr/bin/plasmashell KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi QSocketNotifier: Can only be used with threads started with QThread QSocketNotifier: Can only be used with threads started with QThread kf5idletime_kwayland: This plugin does not support polling idle time QSocketNotifier: Invalid socket 6 and type 'Read', disabling... QSocketNotifier: Invalid socket 7 and type 'Read', disabling... QSocketNotifier: Invalid socket 14 and type 'Read', disabling... kf.plasma.quick: Applet preload policy set to 1 qml: PlasmaExtras.ScrollArea is deprecated. Use PlasmaComponents3.ScrollView instead. qt.qpa.wayland: Wayland does not support QWindow::requestActivate() qml: PlasmaExtras.ScrollArea is deprecated. Use PlasmaComponents3.ScrollView instead. qt.qpa.wayland: Wayland does not support QWindow::requestActivate() qt.qpa.wayland: Wayland does not support QWindow::requestActivate() Error: cannot change the containment to AppletsLayout Error: cannot change the containment to AppletsLayout Plasma Shell startup completed Plasma Shell startup completed Plasma Shell startup completed qt.qpa.wayland: Wayland does not support QWindow::requestActivate() qt.qpa.wayland: Wayland does not support QWindow::requestActivate() file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/DigitalClock.qml:530:9: QML Label: Binding loop detected for property "height" file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/DigitalClock.qml:495:13: QML Label: Binding loop detected for property "height" Trying to use rootObject before initialization is completed, whilst using setInitializationDelayed. Forcing completion file:///usr/share/plasma/plasmoids/org.kde.plasma.systemmonitor/contents/ui/main.qml:43:5: QML MouseArea: Cannot anchor to an item that isn't a parent or sibling. file:///usr/share/plasma/plasmoids/org.kde.plasma.systemmonitor/contents/ui/main.qml:43:5: QML MouseArea: Cannot anchor to an item that isn't a parent or sibling. file:///usr/share/plasma/plasmoids/org.kde.plasma.systemmonitor/contents/ui/main.qml:43:5: QML MouseArea: Cannot anchor to an item that isn't a parent or sibling. file:///usr/share/plasma/plasmoids/org.kde.plasma.systemmonitor/contents/ui/main.qml:43:5: QML MouseArea: Cannot anchor to an item that isn't a parent or sibling. file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/DigitalClock.qml:495:13: QML Label: Binding loop detected for property "height" file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/DigitalClock.qml:530:9: QML Label: Binding loop detected for property "height" file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/DigitalClock.qml:552:5: QML Label: Binding loop detected for property "height" file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:94:13: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:94:13: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:57:9: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.piechart/contents/ui/CompactRepresentation.qml:22:1: QML CompactRepresentation: Binding loop detected for property "implicitHeight" file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.piechart/contents/ui/CompactRepresentation.qml:22:1: QML CompactRepresentation: Binding loop detected for property "implicitHeight" file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:94:13: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:94:13: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:57:9: Unable to assign [undefined] to int file:///usr/share/plasma/plasmoids/org.kde.panel/contents/ui/main.qml:18:1: QML DropArea (parent or ancestor of QQuickLayoutAttached): Binding loop detected for property "minimumWidth" qt.qpa.wayland: Wayland does not support QWindow::requestActivate() qt.qpa.wayland: Wayland does not support QWindow::requestActivate() Cyclic dependency detected between "file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/global/Globals.qml" and "file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationHeader.qml" libkcups: CUPS-Get-Printers last error: 1030 No destinations added. libkcups: Create-Printer-Subscriptions last error: 0 successful-ok libkcups: Get-Jobs last error: 0 successful-ok libkcups: Get-Jobs last error: 0 successful-ok file:///usr/share/plasma/plasmoids/org.kde.plasma.private.systemtray/contents/ui/ExpandedRepresentation.qml:165:9: QML HiddenItemsView: Binding loop detected for property "implicitHeight" QWaylandDataOffer: timeout reading from pipe QWaylandDataOffer: error reading data for mimeType application/x-kde-cutselection file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.piechart/contents/ui/CompactRepresentation.qml:22:1: QML CompactRepresentation: Binding loop detected for property "implicitHeight" file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.piechart/contents/ui/CompactRepresentation.qml:22:1: QML CompactRepresentation: Binding loop detected for property "implicitHeight" file:///usr/share/plasma/plasmoids/org.kde.plasma.private.systemtray/contents/ui/main.qml:17:1: QML MouseArea (parent or ancestor of QQuickLayoutAttached): Binding loop detected for property "minimumWidth" Error: cannot change the containment to AppletsLayout Error: cannot change the containment to AppletsLayout Both point size and pixel size set. Using pixel size. file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/Tooltip.qml:54:9: QML GridLayout (parent or ancestor of QQuickLayoutAttached): Binding loop detected for property "minimumWidth" libkcups: 0 libkcups: 0 qt.qpa.wayland: Wayland does not support QWindow::requestActivate() qt.qpa.wayland: Wayland does not support QWindow::requestActivate() file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/FullRepresentation.qml:22:1: QML FullRepresentation: Binding loop detected for property "implicitHeight" file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:94:13: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:94:13: Unable to assign [undefined] to int file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents/ui/LineChart.qml:57:9: Unable to assign [undefined] to int file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. QFont::setPointSizeF: Point size <= 0 (0.000000), must be greater than 0 QSocketNotifier: Can only be used with threads started with QThread file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment" Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations. qt.qpa.wayland: Wayland does not support QWindow::requestActivate() QWaylandDataOffer: timeout reading from pipe QWaylandDataOffer: error reading data for mimeType application/x-kde-cutselection QWaylandDataOffer: timeout reading from pipe QWaylandDataOffer: error reading data for mimeType application/x-kde-cutselection
If something crashed, we need a backtrace of it so we can figure out what's going on. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports Can you please attach one? Thanks!
Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging If you have already provided the requested information, please mark the bug as REPORTED so that the KDE team knows that the bug is ready to be confirmed. Thank you for helping us make KDE software even better for everyone!
This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!