Application: systemsettings (4.11.20)
KDE Platform Version: 4.14.9
Qt Version: 4.8.6
Operating System: Linux 3.16.7-24-desktop x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
configured unconfigured sound cards in yast, attempted to change sound card settings in kde sound.
- Custom settings of the application:

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc12755d800 (LWP 9498))]

Thread 3 (Thread 0x7fc10863c700 (LWP 9499)):
#0  0x00007fc124597c5d in poll () at /lib64/libc.so.6
#1  0x00007fc11d542be4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fc11d542cec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fc124d220de in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007fc124cf3e6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007fc124cf4165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007fc124bf10bf in QThread::exec() () at /usr/lib64/libQtCore.so.4
#7  0x00007fc124cd5783 in  () at /usr/lib64/libQtCore.so.4
#8  0x00007fc124bf379f in  () at /usr/lib64/libQtCore.so.4
#9  0x00007fc11d80d0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fc1245a008d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fc0f3d85700 (LWP 9509)):
#0  0x00007fc124597c5d in poll () at /lib64/libc.so.6
#1  0x00007fc0fc086268 in  () at /usr/lib64/libusb-1.0.so.0
#2  0x00007fc11d80d0a4 in start_thread () at /lib64/libpthread.so.0
#3  0x00007fc1245a008d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fc12755d800 (LWP 9498)):
[KCrash Handler]
#5  0x00007fc12454ab8a in __strcmp_sse2_unaligned () at /lib64/libc.so.6
#6  0x00007fc0f1cc0fee in QMetaType::registerNormalizedType(QByteArray const&, void (*)(void*), void* (*)(void const*), void (*)(void*), void* (*)(void*, void const*), int, QFlags<QMetaType::TypeFlag>, QMetaObject const*) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fc0f21c0f57 in  () at /usr/lib64/libQt5Gui.so.5
#8  0x00007fc12741d92a in call_init.part () at /lib64/ld-linux-x86-64.so.2
#9  0x00007fc12741da13 in _dl_init_internal () at /lib64/ld-linux-x86-64.so.2
#10 0x00007fc127421b48 in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#11 0x00007fc12741d7e4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#12 0x00007fc12742133b in _dl_open () at /lib64/ld-linux-x86-64.so.2
#13 0x00007fc11b8d002b in dlopen_doit () at /lib64/libdl.so.2
#14 0x00007fc12741d7e4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#15 0x00007fc11b8d05dd in _dlerror_run () at /lib64/libdl.so.2
#16 0x00007fc11b8d00c1 in dlopen@@GLIBC_2.2.5 () at /lib64/libdl.so.2
#17 0x00007fc0ff25759f in  () at /usr/lib64/libvlccore.so.7
#18 0x00007fc0ff240d5d in  () at /usr/lib64/libvlccore.so.7
#19 0x00007fc0ff241057 in  () at /usr/lib64/libvlccore.so.7
#20 0x00007fc0ff2412c9 in  () at /usr/lib64/libvlccore.so.7
#21 0x00007fc0ff241534 in  () at /usr/lib64/libvlccore.so.7
#22 0x00007fc0ff241a87 in  () at /usr/lib64/libvlccore.so.7
#23 0x00007fc0ff1d949d in libvlc_InternalInit () at /usr/lib64/libvlccore.so.7
#24 0x00007fc0fefaa623 in libvlc_new () at /usr/lib64/libvlc.so.5
#25 0x00007fc0ff4dbec9 in  () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#26 0x00007fc0ff4c1728 in  () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#27 0x00007fc0ff4c21eb in qt_plugin_instance () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#28 0x00007fc124cd9641 in QPluginLoader::instance() () at /usr/lib64/libQtCore.so.4
#29 0x00007fc0ff9e3f8b in  () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#30 0x00007fc0ff9e4773 in  () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#31 0x00007fc11f625c76 in  () at /usr/lib64/libphonon.so.4
#32 0x00007fc11f626317 in Phonon::Factory::backend(bool) () at /usr/lib64/libphonon.so.4
#33 0x00007fc11f629aaa in Phonon::GlobalConfig::audioOutputDeviceListFor(Phonon::Category, int) const () at /usr/lib64/libphonon.so.4
#34 0x00007fc107c25b0a in  () at /usr/lib64/kde4/kcm_phonon.so
#35 0x00007fc107c264b8 in  () at /usr/lib64/kde4/kcm_phonon.so
#36 0x00007fc107c1f564 in  () at /usr/lib64/kde4/kcm_phonon.so
#37 0x00007fc107c1f81b in  () at /usr/lib64/kde4/kcm_phonon.so
#38 0x00007fc1254e0553 in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () at /usr/lib64/libkdecore.so.5
#39 0x00007fc126cf0ede in KCModuleLoader::loadModule(KCModuleInfo const&, KCModuleLoader::ErrorReporting, QWidget*, QStringList const&) () at /usr/lib64/libkcmutils.so.4
#40 0x00007fc126cf60e3 in  () at /usr/lib64/libkcmutils.so.4
#41 0x00007fc126cf67f5 in KCModuleProxy::realModule() const () at /usr/lib64/libkcmutils.so.4
#42 0x00007fc126cf6bf3 in KCModuleProxy::showEvent(QShowEvent*) () at /usr/lib64/libkcmutils.so.4
#43 0x00007fc1259cf9a5 in QWidget::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#44 0x00007fc12598076c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#45 0x00007fc125986cad in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#46 0x00007fc126698e0a in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#47 0x00007fc124cf52ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#48 0x00007fc1259cd10f in QWidgetPrivate::show_helper() () at /usr/lib64/libQtGui.so.4
#49 0x00007fc1259ccf7a in QWidgetPrivate::showChildren(bool) () at /usr/lib64/libQtGui.so.4
#50 0x00007fc1259cd00f in QWidgetPrivate::show_helper() () at /usr/lib64/libQtGui.so.4
#51 0x00007fc1259cedb4 in QWidget::setVisible(bool) () at /usr/lib64/libQtGui.so.4
#52 0x00007fc1259ccf8e in QWidgetPrivate::showChildren(bool) () at /usr/lib64/libQtGui.so.4
#53 0x00007fc1259cd00f in QWidgetPrivate::show_helper() () at /usr/lib64/libQtGui.so.4
#54 0x00007fc1259cedb4 in QWidget::setVisible(bool) () at /usr/lib64/libQtGui.so.4
#55 0x00007fc1259b2b92 in QStackedLayout::setCurrentIndex(int) () at /usr/lib64/libQtGui.so.4
#56 0x00007fc1266c4ebe in  () at /usr/lib64/libkdeui.so.5
#57 0x00007fc124d091fa in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib64/libQtCore.so.4
#58 0x00007fc125ec4087 in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () at /usr/lib64/libQtGui.so.4
#59 0x00007fc125ec9687 in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () at /usr/lib64/libQtGui.so.4
#60 0x00007fc125ec9e93 in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib64/libQtGui.so.4
#61 0x00007fc1266c79fc in  () at /usr/lib64/libkdeui.so.5
#62 0x00007fc125e99be0 in QListView::setSelection(QRect const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib64/libQtGui.so.4
#63 0x00007fc125e7660a in QAbstractItemView::mousePressEvent(QMouseEvent*) () at /usr/lib64/libQtGui.so.4
#64 0x00007fc1259cfa7b in QWidget::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#65 0x00007fc125d6c5ee in QFrame::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#66 0x00007fc125e7be13 in QAbstractItemView::viewportEvent(QEvent*) () at /usr/lib64/libQtGui.so.4
#67 0x00007fc124cf5416 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#68 0x00007fc12598074c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#69 0x00007fc125986dea in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#70 0x00007fc126698e0a in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#71 0x00007fc124cf52ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#72 0x00007fc1259865e3 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib64/libQtGui.so.4
#73 0x00007fc1259f7c9b in  () at /usr/lib64/libQtGui.so.4
#74 0x00007fc1259f670c in QApplication::x11ProcessEvent(_XEvent*) () at /usr/lib64/libQtGui.so.4
#75 0x00007fc125a1d5c2 in  () at /usr/lib64/libQtGui.so.4
#76 0x00007fc11d542a04 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#77 0x00007fc11d542c48 in  () at /usr/lib64/libglib-2.0.so.0
#78 0x00007fc11d542cec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#79 0x00007fc124d220be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#80 0x00007fc125a1d676 in  () at /usr/lib64/libQtGui.so.4
#81 0x00007fc124cf3e6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#82 0x00007fc124cf4165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#83 0x00007fc124cf95b9 in QCoreApplication::exec() () at /usr/lib64/libQtCore.so.4
#84 0x000000000040b4bb in  ()
#85 0x00007fc1244dcb05 in __libc_start_main () at /lib64/libc.so.6
#86 0x000000000040b50c in _start ()

Reported using DrKonqi