Application: systemsettings (4.11.12)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.16.6-2-desktop x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
I opened once Apper and exited. I then entered again and there were no group icons anymore. I quickly clicked a few times on Installed Software icon and Apper crashed.

-- Backtrace:
Application: Configuration du système (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f93182e1800 (LWP 1479))]

Thread 3 (Thread 0x7f92eeafb700 (LWP 1480)):
#0  0x00007f93152e53cd in poll () from /lib64/libc.so.6
#1  0x00007f930e28fbe4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f930e28ff0a in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f92eedfc586 in ?? () from /usr/lib64/libgio-2.0.so.0
#4  0x00007f930e2b4b85 in ?? () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f930e55a0a4 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f93152ed7fd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f92f4478700 (LWP 1489)):
#0  0x00007f93152e53cd in poll () from /lib64/libc.so.6
#1  0x00007f930e28fbe4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f930e28fcec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f9315a680de in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#4  0x00007f9315a39e6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#5  0x00007f9315a3a165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#6  0x00007f93159370bf in QThread::exec() () from /usr/lib64/libQtCore.so.4
#7  0x00007f9315a1b783 in ?? () from /usr/lib64/libQtCore.so.4
#8  0x00007f931593979f in ?? () from /usr/lib64/libQtCore.so.4
#9  0x00007f930e55a0a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f93152ed7fd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f93182e1800 (LWP 1479)):
[KCrash Handler]
#5  0x0000000000000061 in ?? ()
#6  0x00007f93173b3031 in KCategorizedView::Private::categoryForIndex(QModelIndex const&) const () from /usr/lib64/libkdeui.so.5
#7  0x00007f93173b67cc in KCategorizedView::visualRect(QModelIndex const&) const () from /usr/lib64/libkdeui.so.5
#8  0x00007f93173b8762 in KCategorizedView::leaveEvent(QEvent*) () from /usr/lib64/libkdeui.so.5
#9  0x00007f9316715897 in QWidget::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#10 0x00007f9316ab25ee in QFrame::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#11 0x00007f9316b2eb7b in QAbstractScrollArea::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#12 0x00007f9316bc1adb in QAbstractItemView::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#13 0x00007f93166c676c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#14 0x00007f93166cccad in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#15 0x00007f93173debda in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#16 0x00007f9315a3b2ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#17 0x00007f93166cbbe5 in QApplicationPrivate::dispatchEnterLeave(QWidget*, QWidget*) () from /usr/lib64/libQtGui.so.4
#18 0x00007f93166cc6ab in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib64/libQtGui.so.4
#19 0x00007f931673dc9b in ?? () from /usr/lib64/libQtGui.so.4
#20 0x00007f931673c70c in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/libQtGui.so.4
#21 0x00007f93167635c2 in ?? () from /usr/lib64/libQtGui.so.4
#22 0x00007f930e28fa04 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#23 0x00007f930e28fc48 in ?? () from /usr/lib64/libglib-2.0.so.0
#24 0x00007f930e28fcec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#25 0x00007f9315a680be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#26 0x00007f9316763676 in ?? () from /usr/lib64/libQtGui.so.4
#27 0x00007f9315a39e6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#28 0x00007f9315a3a165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#29 0x00007f9315a3f5b9 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#30 0x000000000040b4bb in ?? ()
#31 0x00007f9315229b05 in __libc_start_main () from /lib64/libc.so.6
#32 0x000000000040b50c in _start ()

Possible duplicates by query: bug 317519, bug 313014.

Reported using DrKonqi