Application: systemsettings (4.11.16)
KDE Platform Version: 4.14.5
Qt Version: 4.8.6
Operating System: Linux 4.4.36-desktop-2.mga5 x86_64
Distribution: "Mageia 5"

-- Information about the crash:
- What I was doing when the application crashed:

I tried to start KChildlock on mageia Linux 5.1
Systemontrol crashed while starting KChildlock

The crash can be reproduced every time.

-- Backtrace:
Application: Systemeinstellungen (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[KCrash Handler]
#5  0x00007f971c5a7cd0 in KConfig::~KConfig() () at /lib64/libkdecore.so.5
#6  0x00007f971c5a7e59 in KConfig::~KConfig() () at /lib64/libkdecore.so.5
#7  0x00007f96ff7d4db3 in KchildlockKCM::KchildlockKCM(QWidget*, QList<QVariant> const&) (this=0x7ffca55eac80, __in_chrg=<optimized out>) at /usr/include/ksharedptr.h:90
#8  0x00007f96ff7d4db3 in KchildlockKCM::KchildlockKCM(QWidget*, QList<QVariant> const&) (this=this@entry=0x1436890, parent=parent@entry=0x126e1e0, args=...) at /usr/src/debug/kchildlock-0.90.4.2/kcmodule/KchildlockKCM.cpp:91
#9  0x00007f96ff7f298b in KPluginFactory::createInstance<KchildlockKCM, QWidget>(QWidget*, QObject*, QList<QVariant> const&) (parentWidget=<optimized out>, parent=<optimized out>, args=...) at /usr/include/kpluginfactory.h:477
#10 0x00007f971c710d03 in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () at /lib64/libkdecore.so.5
#11 0x00007f971df3ed70 in KCModuleLoader::loadModule(KCModuleInfo const&, KCModuleLoader::ErrorReporting, QWidget*, QStringList const&) () at /lib64/libkcmutils.so.4
#12 0x00007f971df448db in KCModuleProxyPrivate::loadModule() () at /lib64/libkcmutils.so.4
#13 0x00007f971df455a5 in KCModuleProxy::realModule() const () at /lib64/libkcmutils.so.4
#14 0x00007f971df459a3 in KCModuleProxy::showEvent(QShowEvent*) () at /lib64/libkcmutils.so.4
#15 0x00007f971cbf1388 in QWidget::event(QEvent*) () at /lib64/libQtGui.so.4
#16 0x00007f971cba179c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#17 0x00007f971cba7e40 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#18 0x00007f971d8d425a in KApplication::notify(QObject*, QEvent*) () at /lib64/libkdeui.so.5
#19 0x00007f971bf1ccad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQtCore.so.4
#20 0x00007f971cbee924 in QWidgetPrivate::show_helper() () at /lib64/libQtGui.so.4
#21 0x00007f971cbee77a in QWidgetPrivate::showChildren(bool) () at /lib64/libQtGui.so.4
#22 0x00007f971cbee80f in QWidgetPrivate::show_helper() () at /lib64/libQtGui.so.4
#23 0x00007f971cbf068a in QWidget::setVisible(bool) () at /lib64/libQtGui.so.4
#24 0x00007f971cbee78e in QWidgetPrivate::showChildren(bool) () at /lib64/libQtGui.so.4
#25 0x00007f971cbee80f in QWidgetPrivate::show_helper() () at /lib64/libQtGui.so.4
#26 0x00007f971cbf068a in QWidget::setVisible(bool) () at /lib64/libQtGui.so.4
#27 0x00007f971cbd4166 in QStackedLayout::setCurrentIndex(int) () at /lib64/libQtGui.so.4
#28 0x00007f971d904d4d in KPageViewPrivate::_k_pageSelected(QItemSelection const&, QItemSelection const&) () at /lib64/libkdeui.so.5
#29 0x00007f971bf3088a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /lib64/libQtCore.so.4
#30 0x00007f971d0ec497 in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () at /lib64/libQtGui.so.4
#31 0x00007f971d0f197e in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () at /lib64/libQtGui.so.4
#32 0x00007f971d0f21c6 in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /lib64/libQtGui.so.4
#33 0x00007f971d0ed2e8 in QItemSelectionModel::select(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /lib64/libQtGui.so.4
#34 0x00007f971d0ec6c2 in QItemSelectionModel::setCurrentIndex(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /lib64/libQtGui.so.4
#35 0x00007f971d903eeb in KPageViewPrivate::_k_rebuildGui() () at /lib64/libkdeui.so.5
#36 0x00007f971d9049a5 in KPageViewPrivate::_k_modelChanged() () at /lib64/libkdeui.so.5
#37 0x00007f971bf3088a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /lib64/libQtCore.so.4
#38 0x00007f971d909758 in KPageWidgetModel::addPage(KPageWidgetItem*) () at /lib64/libkdeui.so.5
#39 0x00007f971dd1c045 in ModuleView::addModule(KCModuleInfo*) () at /lib64/libsystemsettingsview.so.2
#40 0x00007f971dd1c315 in ModuleView::loadModule(QModelIndex) () at /lib64/libsystemsettingsview.so.2
#41 0x00007f96fff3c798 in IconMode::changeModule(QModelIndex const&) () at /usr/lib64/kde4/icon_mode.so
#42 0x00007f971bf3088a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /lib64/libQtCore.so.4
#43 0x00007f971d099815 in QAbstractItemView::activated(QModelIndex const&) () at /lib64/libQtGui.so.4
#44 0x00007f971d0a34b0 in QAbstractItemView::mouseDoubleClickEvent(QMouseEvent*) () at /lib64/libQtGui.so.4
#45 0x00007f971cbf1cd9 in QWidget::event(QEvent*) () at /lib64/libQtGui.so.4
#46 0x00007f971cf955ae in QFrame::event(QEvent*) () at /lib64/libQtGui.so.4
#47 0x00007f971d0a2f53 in QAbstractItemView::viewportEvent(QEvent*) () at /lib64/libQtGui.so.4
#48 0x00007f971bf1ce16 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /lib64/libQtCore.so.4
#49 0x00007f971cba177c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#50 0x00007f971cba7f8e in QApplication::notify(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#51 0x00007f971d8d425a in KApplication::notify(QObject*, QEvent*) () at /lib64/libkdeui.so.5
#52 0x00007f971bf1ccad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQtCore.so.4
#53 0x00007f971cba766f in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /lib64/libQtGui.so.4
#54 0x00007f971cc198b2 in QETWidget::translateMouseEvent(_XEvent const*) () at /lib64/libQtGui.so.4
#55 0x00007f971cc182ac in QApplication::x11ProcessEvent(_XEvent*) () at /lib64/libQtGui.so.4
#56 0x00007f971cc3f442 in x11EventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQtGui.so.4
#57 0x00007f97147bdc6d in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#58 0x00007f97147bdf18 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#59 0x00007f97147bdfbc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#60 0x00007f971bf49e1e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#61 0x00007f971cc3f4f6 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtGui.so.4
#62 0x00007f971bf1b931 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#63 0x00007f971bf1bc45 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#64 0x00007f971bf20e59 in QCoreApplication::exec() () at /lib64/libQtCore.so.4
#65 0x000000000040aa8c in main ()

Reported using DrKonqi