Application: systemsettings (1.0)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-38-generic x86_64
Distribution: Linux Mint 13 Maya

-- Information about the crash:
- What I was doing when the application crashed.
Open Main Menu.
Select System Settings and then select Screen Saver.
This is only for Screen Saver, Size&Orientation and Multiple Monitors still work.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f55069a1780 (LWP 4986))]

Thread 2 (Thread 0x7f54f2a98700 (LWP 4989)):
#0  0x00007f5503e38303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f550161b036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f550161b49a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f54f9195406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f550163c9e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5501ae7e9a in start_thread (arg=0x7f54f2a98700) at pthread_create.c:308
#6  0x00007f5503e43cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f55069a1780 (LWP 4986)):
[KCrash Handler]
#6  0x00007f54e3ddd069 in AtSpiAdaptor::notify(int, QAccessibleInterface*, int) () from /usr/lib/x86_64-linux-gnu/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#7  0x00007f5505721571 in QAccessible::updateAccessibility (o=<optimized out>, who=0, reason=QAccessible::Focus) at accessible/qaccessible_unix.cpp:118
#8  0x00007f5505766b36 in QTreeView::currentChanged (this=0x2818940, current=..., previous=...) at itemviews/qtreeview.cpp:3770
#9  0x00007f550459e281 in QMetaObject::activate (sender=0x2823790, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff18478b70) at kernel/qobject.cpp:3547
#10 0x00007f550577d8ea in QItemSelectionModel::currentChanged (this=<optimized out>, _t1=..., _t2=...) at .moc/release-shared/moc_qitemselectionmodel.cpp:173
#11 0x00007f550577d9e0 in QItemSelectionModel::setCurrentIndex (this=0x2823790, index=..., command=...) at itemviews/qitemselectionmodel.cpp:1175
#12 0x00007f55057234be in QAbstractItemView::setCurrentIndex (this=0x2818940, index=...) at itemviews/qabstractitemview.cpp:1022
#13 0x00007f55057a036f in QTreeWidget::setCurrentItem (this=<optimized out>, item=<optimized out>, column=<optimized out>) at itemviews/qtreewidget.cpp:2815
#14 0x00007f54de9f1e02 in ?? () from /usr/lib/kde4/kcm_screensaver.so
#15 0x00007f550459e281 in QMetaObject::activate (sender=0x2815900, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#16 0x00007f55045a3179 in QObject::event (this=0x2815900, e=<optimized out>) at kernel/qobject.cpp:1157
#17 0x00007f5505200894 in notify_helper (e=0x7fff184797c0, receiver=0x2815900, this=0x203aa40) at kernel/qapplication.cpp:4559
#18 QApplicationPrivate::notify_helper (this=0x203aa40, receiver=0x2815900, e=0x7fff184797c0) at kernel/qapplication.cpp:4531
#19 0x00007f5505205713 in QApplication::notify (this=0x7fff18479aa0, receiver=0x2815900, e=0x7fff184797c0) at kernel/qapplication.cpp:4420
#20 0x00007f5505f3a3f6 in KApplication::notify (this=0x7fff18479aa0, receiver=0x2815900, event=0x7fff184797c0) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x00007f5504589e9c in QCoreApplication::notifyInternal (this=0x7fff18479aa0, receiver=0x2815900, event=0x7fff184797c0) at kernel/qcoreapplication.cpp:876
#22 0x00007f55045bb1f2 in sendEvent (event=0x7fff184797c0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#23 QTimerInfoList::activateTimers (this=0x203d060) at kernel/qeventdispatcher_unix.cpp:611
#24 0x00007f55045b8c0d in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:186
#25 timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:180
#26 0x00007f55045b8c31 in idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:233
#27 0x00007f550161ad53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f550161b0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f550161b164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f55045b93bf in QEventDispatcherGlib::processEvents (this=0x200d4b0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#31 0x00007f55052a8d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#32 0x00007f5504588c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#33 0x00007f5504588ed7 in QEventLoop::exec (this=0x7fff18479a30, flags=...) at kernel/qeventloop.cpp:204
#34 0x00007f550458df67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#35 0x000000000040a7e5 in ?? ()
#36 0x00007f5503d7176d in __libc_start_main (main=0x40a3d0, argc=1, ubp_av=0x7fff18479d68, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff18479d58) at libc-start.c:226
#37 0x000000000040a839 in _start ()

Reported using DrKonqi