Created attachment 142515 [details] Capture from my system monitor, overview SUMMARY It happens when i upgrade kde to 5.23. In this version system monitor not display data in overview, networks or history. I added a capture. LOG I execute the application on the console to see the track trace, it shows me this. -------------------------------- kf.kirigami: Units.devicePixelRatio is deprecated (since 5.86 ): This returns 1 when using Qt HiDPI scaling. Could not find attribute "netInbound" Could not find attribute "netOutbound" Could not find attribute "netInbound" Could not find attribute "netOutbound" file::/main.qml:81: TypeError: Cannot read property 'edit' of null qrc:/GlobalMenu.qml:32: TypeError: Cannot read property 'edit' of null file:///usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls.2/org.kde.desktop/ScrollView.qml:99:27: QML ScrollBar: Binding loop detected for property "visible" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/ksysguard/page/EditablePage.qml?page=overview.page:241:5: QML Loader: Binding loop detected for property "height" file::/main.qml:81: TypeError: Cannot read property 'edit' of null qrc:/GlobalMenu.qml:32: TypeError: Cannot read property 'edit' of null kf.kirigami: Units.devicePixelRatio is deprecated (since 5.86 ): This returns 1 when using Qt HiDPI scaling. kf.kirigami: Previous message repeats 29 times. Could not find attribute "netInbound" Could not find attribute "netOutbound" Could not find attribute "netInbound" Could not find attribute "netOutbound" file:///usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls.2/org.kde.desktop/ScrollView.qml:99:27: QML ScrollBar: Binding loop detected for property "visible" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/private/globaltoolbar/ToolBarPageHeader.qml:83:13: QML Binding: Binding loop detected for property "value" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/private/globaltoolbar/ToolBarPageHeader.qml:88:13: QML Binding: Binding loop detected for property "value" file::/main.qml:81: TypeError: Cannot read property 'edit' of null qrc:/GlobalMenu.qml:32: TypeError: Cannot read property 'edit' of null kf.kirigami: Units.devicePixelRatio is deprecated (since 5.86 ): This returns 1 when using Qt HiDPI scaling. kf.kirigami: Previous message repeats 1 times. 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/FullRepresentation.qml:22:1: QML FullRepresentation: Binding loop detected for property "implicitHeight" 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/lib/x86_64-linux-gnu/qt5/qml/org/kde/ksysguard/page/EditablePage.qml?page=overview.page:241:5: QML Loader: Binding loop detected for property "height" 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.linechart/contents/ui/LineChart.qml:57:9: 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::/main.qml:81: TypeError: Cannot read property 'edit' of null qrc:/GlobalMenu.qml:32: TypeError: Cannot read property 'edit' of null file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/private/globaltoolbar/ToolBarPageHeader.qml:83:13: QML Binding: Binding loop detected for property "value" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/private/globaltoolbar/ToolBarPageHeader.qml:88:13: QML Binding: Binding loop detected for property "value" file::/main.qml:81: TypeError: Cannot read property 'edit' of null qrc:/GlobalMenu.qml:32: TypeError: Cannot read property 'edit' of null kf.kirigami: Units.devicePixelRatio is deprecated (since 5.86 ): This returns 1 when using Qt HiDPI scaling. kf.kirigami: Previous message repeats 13 times. 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/FullRepresentation.qml:22:1: QML FullRepresentation: Binding loop detected for property "implicitHeight" qt.core.qabstractitemmodel.checkindex: Index QModelIndex(-1,-1,0x0,QObject(0x0)) is not valid (expected valid) file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.barchart/contents/ui/FullRepresentation.qml:23:1: QML FullRepresentation: Binding loop detected for property "implicitHeight" file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.piechart/contents/ui/FullRepresentation.qml:21:1: QML FullRepresentation: Binding loop detected for property "implicitHeight" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/ksysguard/page/EditablePage.qml?page=overview.page:241:5: QML Loader: Binding loop detected for property "height" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/ksysguard/page/PageContents.qml:91:29: Unable to assign [undefined] to bool file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.barchart/contents/ui/BarChart.qml:53:9: Unable to assign [undefined] to int file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/ksysguard/page/PageContents.qml:91:29: Unable to assign [undefined] to bool 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/ksysguard/page/PageContents.qml:91:29: Unable to assign [undefined] to bool 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/ksysguard/page/PageContents.qml:91:29: Unable to assign [undefined] to bool -------------------------------- My laptop https://emea.dynabook.com/discontinued-products/satellite-p50-b-10v/ SO Info. KDE Plasma : 5.23-0 KDE Framework: 5.87.0 Qt: 5.15.3 Kernel: 5.11.0-37-generic (64 bits) graphic platform : X11
Created attachment 142516 [details] This is the history menu, not showing nothing as the overview
Created attachment 142518 [details] Finally this is the network menu, same as the others
Is ksystemstats package installed? Possibly related to bug 443837.
*** Bug 443864 has been marked as a duplicate of this bug. ***
*** This bug has been marked as a duplicate of bug 443837 ***
It works. Perfect.
Here is the instructions to install ksystemstats Enable the repository: # sudo add-apt-repository ppa:kubuntu-ppa/backports Update the package index: # sudo apt-get update Install ksystemstats deb package: # sudo apt-get install ksystemstats More info. https://ubuntu.pkgs.org/21.04/kubuntu-backports-amd64/ksystemstats_5.22.5-0ubuntu1~ubuntu21.04~ppa1_amd64.deb.html