https://bugs.kde.org/show_bug.cgi?id=435320
--- Comment #2 from Mike O <mike.oured...@gmail.com> --- (In reply to Alois Wohlschlager from comment #1) > Please install debug symbols and create a new backtrace. Here's a stack trace with kcm_systemd debug symbols. This is the best I can do. I've only been able to reproduce this once since yesterday. I shut down the service by right click - Stop Unit, then right clicked again triggered the segmentation fault. But it's working since then. Maybe this bug is not worth investigating. Application: System Settings (systemsettings5), signal: Segmentation fault [KCrash Handler] #4 QString::QString(QString const&) (other=..., this=0x7ffd8f6868e8, this=<optimized out>, other=<optimized out>) at /usr/include/qt5/QtCore/qstring.h:1050 #5 QDBusObjectPath::QDBusObjectPath(QDBusObjectPath const&) (this=0x7ffd8f6868e8) at /usr/include/qt5/QtDBus/qdbusextratypes.h:57 #6 kcmsystemd::slotUnitContextMenu(QPoint const&) (this=0x562cb31b2890, pos=...) at /usr/src/debug/kcm_systemd-1.2.1-17.fc33.x86_64/src/kcmsystemd.cpp:895 #7 0x00007f3d9df783c0 in void doActivate<false>(QObject*, int, void**) () at /lib64/libQt5Core.so.5 #8 0x00007f3d9eb00559 in QWidget::customContextMenuRequested(QPoint const&) () at /lib64/libQt5Widgets.so.5 #9 0x00007f3d9eb1b8a5 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #10 0x00007f3d9ebc46f2 in QFrame::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #11 0x00007f3d9df48995 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #12 0x00007f3d9ead9eb2 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #13 0x00007f3d9eae1b63 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #14 0x00007f3d9df48bd8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #15 0x00007f3d9eb33e96 in QWidgetWindow::handleMouseEvent(QMouseEvent*) () at /lib64/libQt5Widgets.so.5 #16 0x00007f3d9eb366be in QWidgetWindow::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #17 0x00007f3d9ead9ec3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #18 0x00007f3d9df48bd8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #19 0x00007f3d9e480143 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /lib64/libQt5Gui.so.5 #20 0x00007f3d9e47fd1c in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /lib64/libQt5Gui.so.5 #21 0x00007f3d9e4618cc in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Gui.so.5 #22 0x00007f3d8ba5e47e in xcbSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5XcbQpa.so.5 #23 0x00007f3d9bcc8a9f in g_main_context_dispatch () at /lib64/libglib-2.0.so.0 #24 0x00007f3d9bd1aa98 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0 #25 0x00007f3d9bcc5e73 in g_main_context_iteration () at /lib64/libglib-2.0.so.0 #26 0x00007f3d9df956f3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #27 0x00007f3d9df4757b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #28 0x00007f3d9df4f1b4 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5 #29 0x0000562cb0f62414 in main () [Inferior 1 (process 48038) detached] Application: System Settings (systemsettings5), signal: Segmentation fault [KCrash Handler] #4 QString::QString(QString const&) (other=..., this=0x7ffd8f6868e8, this=<optimized out>, other=<optimized out>) at /usr/include/qt5/QtCore/qstring.h:1050 #5 QDBusObjectPath::QDBusObjectPath(QDBusObjectPath const&) (this=0x7ffd8f6868e8) at /usr/include/qt5/QtDBus/qdbusextratypes.h:57 #6 kcmsystemd::slotUnitContextMenu(QPoint const&) (this=0x562cb31b2890, pos=...) at /usr/src/debug/kcm_systemd-1.2.1-17.fc33.x86_64/src/kcmsystemd.cpp:895 #7 0x00007f3d9df783c0 in void doActivate<false>(QObject*, int, void**) () at /lib64/libQt5Core.so.5 #8 0x00007f3d9eb00559 in QWidget::customContextMenuRequested(QPoint const&) () at /lib64/libQt5Widgets.so.5 #9 0x00007f3d9eb1b8a5 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #10 0x00007f3d9ebc46f2 in QFrame::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #11 0x00007f3d9df48995 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #12 0x00007f3d9ead9eb2 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #13 0x00007f3d9eae1b63 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #14 0x00007f3d9df48bd8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #15 0x00007f3d9eb33e96 in QWidgetWindow::handleMouseEvent(QMouseEvent*) () at /lib64/libQt5Widgets.so.5 #16 0x00007f3d9eb366be in QWidgetWindow::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #17 0x00007f3d9ead9ec3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #18 0x00007f3d9df48bd8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #19 0x00007f3d9e480143 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /lib64/libQt5Gui.so.5 #20 0x00007f3d9e47fd1c in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /lib64/libQt5Gui.so.5 #21 0x00007f3d9e4618cc in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Gui.so.5 #22 0x00007f3d8ba5e47e in xcbSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5XcbQpa.so.5 #23 0x00007f3d9bcc8a9f in g_main_context_dispatch () at /lib64/libglib-2.0.so.0 #24 0x00007f3d9bd1aa98 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0 #25 0x00007f3d9bcc5e73 in g_main_context_iteration () at /lib64/libglib-2.0.so.0 #26 0x00007f3d9df956f3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #27 0x00007f3d9df4757b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #28 0x00007f3d9df4f1b4 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5 #29 0x0000562cb0f62414 in main () [Inferior 1 (process 48038) 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