Bug 475712

Application: plasma-systemmonitor (5.27.5)

Qt Version: 5.15.8
Frameworks Version: 5.103.0
Operating System: Linux 6.1.0-12-amd64 x86_64
Windowing System: X11
Distribution: Debian GNU/Linux 12 (bookworm)
DrKonqi: 5.27.5 [KCrashBackend]

-- Information about the crash:
1. Open System Monitor on X11 desktop
2. Select one of the default tabs on the left like "Applications", and it crashes. 
3. When I re open the system monitor again I see duplicate applications running of the system monitor. Sometimes I noticed other duplicate applications running depending on what I had running. 

Once the system monitor crashes, it seems very easy to make it crash over and over using the same method. Though I have noticed inconsistencies with which buttons need to be clicked to make it crash. I have not dug very deep into it except that I am reporting these persistent crashes. 

4. When I log out using this command after crashing the System Monitor:  qdbus org.kde.ksmserver /KSMServer logout 0 0 0
It takes a few seconds to process. First the background goes black behind the terminal, as if the desktop environment is shutting down but the user session is not logged out yet. After a few seconds it proceeds to log out. Normally that command will log me out of the session immediately without a hiccup. 

One thing I can say is that it started happening when I switched to the X11 desktop. I need to be on X11 for something I am building right now and my Nvidia card has more options under X11 than Wayland.

The crash can be reproduced sometimes.

-- Backtrace:
Application: System Monitor (plasma-systemmonitor), signal: Segmentation fault

[KCrash Handler]
#4  0x0000000000000000 in ?? ()
#5  0x00007f203fc3fae7 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f203fc3fb59 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f203fdc1dc2 in QAccessibleQuickItem::role() const () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f2045177081 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#9  0x00007f2045179e04 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#10 0x00007f204517b5a1 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#11 0x00007f203fc4d6d3 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f203fc55ffd in QQuickItem::setParentItem(QQuickItem*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f203fc5650d in QQuickItem::~QQuickItem() () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f200c7d68c5 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Templates.2/libqtquicktemplates2plugin.so
#15 0x00007f203f3a7357 in QQmlTableInstanceModel::destroyModelItem(QQmlDelegateModelItem*, QQmlTableInstanceModel::DestructionMode) () from /lib/x86_64-linux-gnu/libQt5QmlModels.so.5
#16 0x00007f203f3cdaf1 in ?? () from /lib/x86_64-linux-gnu/libQt5QmlModels.so.5
#17 0x00007f203f3a6d85 in QQmlTableInstanceModel::drainReusableItemsPool(int) () from /lib/x86_64-linux-gnu/libQt5QmlModels.so.5
#18 0x00007f203fd3de8c in QQuickTableView::geometryChanged(QRectF const&, QRectF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007f203fc4c2e8 in QQuickItem::setSize(QSizeF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f203f4ae3a9 in QQuickControlPrivate::resizeContent() () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#21 0x00007f203f4aaef3 in QQuickControlPrivate::setRightPadding(double, bool) () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#22 0x00007f204aceaa43 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007f204aceb93e in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x00007f204ace9354 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#25 0x00007f204acc677f in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#26 0x00007f20494e8a8d in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f204ac6ea35 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007f204aceaa19 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007f204aceb93e in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007f204ace9354 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007f204acc677f in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007f20494e8a8d in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f203fc4d728 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#34 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#35 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#36 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#37 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#38 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#39 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#40 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#41 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#42 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#43 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#44 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#45 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#46 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#47 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#48 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#49 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#50 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#51 0x00007f203fc4d651 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#52 0x00007f203fc4d783 in QQuickItemPrivate::setVisible(bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#53 0x00007f20354c60d4 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/libKirigamiPlugin.so
#54 0x00007f20354c686f in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/libKirigamiPlugin.so
#55 0x00007f20354ca4f3 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/libKirigamiPlugin.so
#56 0x00007f204acc6c93 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#57 0x00007f204aba20bd in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#58 0x00007f204aba53e0 in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#59 0x00007f204abc1cb6 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#60 0x00007f204abc53df in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#61 0x00007f204ab589c8 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#62 0x00007f204abc1cb6 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#63 0x00007f204abc53df in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#64 0x00007f204ab57c2e in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#65 0x00007f204ace144d in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#66 0x00007f204ac92baf in QQmlBoundSignalExpression::evaluate(void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#67 0x00007f204ac942f8 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#68 0x00007f204acc677f in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#69 0x00007f20494e8a8d in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#70 0x00007f203f491592 in QQuickAction::triggered(QObject*) () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#71 0x00007f203f49257e in ?? () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#72 0x00007f203f493223 in QQuickAction::qt_metacall(QMetaObject::Call, int, void**) () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#73 0x00007f204acc6c93 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#74 0x00007f204aba20bd in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#75 0x00007f204aba53e0 in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#76 0x00007f204abc1cb6 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#77 0x00007f204abc53df in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#78 0x00007f204ab589c8 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#79 0x00007f204abd5024 in QV4::Runtime::CallQmlContextPropertyLookup::call(QV4::ExecutionEngine*, unsigned int, QV4::Value*, int) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#80 0x00007f204abc0db2 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#81 0x00007f204abc53df in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#82 0x00007f204ab57c2e in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#83 0x00007f204ace144d in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#84 0x00007f204ac92baf in QQmlBoundSignalExpression::evaluate(void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#85 0x00007f204ac942f8 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#86 0x00007f204acc677f in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#87 0x00007f20494e8a8d in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#88 0x00007f203f490221 in QQuickAbstractButtonPrivate::handleRelease(QPointF const&) () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#89 0x00007f203f4af251 in QQuickControl::mouseReleaseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#90 0x00007f203fc550e8 in QQuickItem::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#91 0x00007f204a162fae in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#92 0x00007f20494b16f8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#93 0x00007f203fc729da in QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#94 0x00007f203fc740dd in QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#95 0x00007f20499493f5 in QWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#96 0x00007f204a162fae in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#97 0x00007f20494b16f8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#98 0x00007f204993d3ed in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#99 0x00007f2049911cac in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#100 0x00007f20450fbeca in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#101 0x00007f2047d1e7a9 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#102 0x00007f2047d1ea38 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#103 0x00007f2047d1eacc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#104 0x00007f2049509836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#105 0x00007f20494b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#106 0x00007f20494b82d6 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#107 0x000056301e066e00 in ?? ()
#108 0x00007f20490461ca in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#109 0x00007f2049046285 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#110 0x000056301e0672d1 in ?? ()
[Inferior 1 (process 1629404) detached]

Reported using DrKonqi