Application: systemsettings (4.11.16)
KDE Platform Version: 4.14.30
Qt Version: 4.8.6
Operating System: Linux 4.4.65-desktop-1.mga5 x86_64
Distribution: "Mageia 5"

-- Information about the crash:
Sound setting crashes after VLC update

The crash can be reproduced every time.

-- Backtrace:
Application: Systemeinstellungen (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f470e420800 (LWP 6058))]

Thread 2 (Thread 0x7f46ee13f700 (LWP 6068)):
#0  0x00007f470b3be6fd in read () at /lib64/libc.so.6
#1  0x00007f46fc08b073 in  () at /usr/lib64/nvidia-current/tls/libnvidia-tls.so.375.26
#2  0x00007f47043f5bf0 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#3  0x00007f47043b399c in g_main_context_check () at /lib64/libglib-2.0.so.0
#4  0x00007f47043b3e5b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#5  0x00007f47043b3fbc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#6  0x00007f470bb3fe3e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#7  0x00007f470bb11931 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#8  0x00007f470bb11c45 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#9  0x00007f470ba0f899 in QThread::exec() () at /lib64/libQtCore.so.4
#10 0x00007f470baf33d3 in QInotifyFileSystemWatcherEngine::run() () at /lib64/libQtCore.so.4
#11 0x00007f470ba11fff in QThreadPrivate::start(void*) () at /lib64/libQtCore.so.4
#12 0x00007f470467f5bd in start_thread () at /lib64/libpthread.so.0
#13 0x00007f470b3ce62d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f470e420800 (LWP 6058)):
[KCrash Handler]
#5  0x00007f470b414c38 in __strcmp_ssse3 () at /lib64/libc.so.6
#6  0x00007f46de86a486 in QMetaType::registerNormalizedType(QByteArray const&, void (*)(void*), void* (*)(void const*), void (*)(void*), void* (*)(void*, void const*), int, QFlags<QMetaType::TypeFlag>, QMetaObject const*) () at /lib64/libQt5Core.so.5
#7  0x00007f46deb6074c in _GLOBAL__sub_I_qpaintbuffer.cpp () at /lib64/libQt5Gui.so.5
#8  0x00007f470e2a023a in call_init.part () at /lib64/ld-linux-x86-64.so.2
#9  0x00007f470e2a034b in _dl_init_internal () at /lib64/ld-linux-x86-64.so.2
#10 0x00007f470e2a43a1 in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#11 0x00007f470e2a00e4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#12 0x00007f470e2a3b33 in _dl_open () at /lib64/ld-linux-x86-64.so.2
#13 0x00007f470250b039 in dlopen_doit () at /lib64/libdl.so.2
#14 0x00007f470e2a00e4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#15 0x00007f470250b69d in _dlerror_run () at /lib64/libdl.so.2
#16 0x00007f470250b0d1 in dlopen () at /lib64/libdl.so.2
#17 0x00007f46ec509f6f in module_Load () at /lib64/libvlccore.so.8
#18 0x00007f46ec4ef45d in module_InitDynamic () at /lib64/libvlccore.so.8
#19 0x00007f46ec4ef758 in AllocatePluginDir () at /lib64/libvlccore.so.8
#20 0x00007f46ec4ef6a4 in AllocatePluginDir () at /lib64/libvlccore.so.8
#21 0x00007f46ec4efc04 in AllocatePluginPath () at /lib64/libvlccore.so.8
#22 0x00007f46ec4f01a1 in module_LoadPlugins () at /lib64/libvlccore.so.8
#23 0x00007f46ec4777ea in libvlc_InternalInit () at /lib64/libvlccore.so.8
#24 0x00007f46ec248deb in libvlc_new () at /lib64/libvlc.so.5
#25 0x00007f46ec792675 in LibVLC::init() () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#26 0x00007f46ec778448 in Phonon::VLC::Backend::Backend(QObject*, QList<QVariant> const&) () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#27 0x00007f46ec778fc3 in qt_plugin_instance () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#28 0x00007f470baf72e3 in QPluginLoader::instance() () at /lib64/libQtCore.so.4
#29 0x00007f46ecca5a0b in Phonon::KdePlatformPlugin::createBackend(KSharedPtr<KService>) () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#30 0x00007f46ecca6183 in Phonon::KdePlatformPlugin::createBackend() () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#31 0x00007f470629df8e in Phonon::FactoryPrivate::createBackend() () at /lib64/libphonon.so.4
#32 0x00007f470629e678 in Phonon::Factory::backend(bool) () at /lib64/libphonon.so.4
#33 0x00007f47062a1e9a in Phonon::GlobalConfig::audioOutputDeviceListFor(Phonon::Category, int) const () at /lib64/libphonon.so.4
#34 0x00007f46ed726b73 in Phonon::DevicePreference::loadCategoryDevices() () at /usr/lib64/kde4/kcm_phonon.so
#35 0x00007f46ed727538 in Phonon::DevicePreference::load() () at /usr/lib64/kde4/kcm_phonon.so
#36 0x00007f46ed720568 in PhononKcm::PhononKcm(QWidget*, QList<QVariant> const&) () at /usr/lib64/kde4/kcm_phonon.so
#37 0x00007f46ed72084b in QObject* KPluginFactory::createInstance<PhononKcm, QWidget>(QWidget*, QObject*, QList<QVariant> const&) () at /usr/lib64/kde4/kcm_phonon.so
#38 0x00007f470c306983 in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () at /lib64/libkdecore.so.5
#39 0x00007f470db31d70 in KCModuleLoader::loadModule(KCModuleInfo const&, KCModuleLoader::ErrorReporting, QWidget*, QStringList const&) () at /lib64/libkcmutils.so.4
#40 0x00007f470db378db in KCModuleProxyPrivate::loadModule() () at /lib64/libkcmutils.so.4
#41 0x00007f470db385a5 in KCModuleProxy::realModule() const () at /lib64/libkcmutils.so.4
#42 0x00007f470db389a3 in KCModuleProxy::showEvent(QShowEvent*) () at /lib64/libkcmutils.so.4
#43 0x00007f470c7e4388 in QWidget::event(QEvent*) () at /lib64/libQtGui.so.4
#44 0x00007f470c79479c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#45 0x00007f470c79ae40 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#46 0x00007f470d4c740a in KApplication::notify(QObject*, QEvent*) () at /lib64/libkdeui.so.5
#47 0x00007f470bb12cad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQtCore.so.4
#48 0x00007f470c7e1924 in QWidgetPrivate::show_helper() () at /lib64/libQtGui.so.4
#49 0x00007f470c7e177a in QWidgetPrivate::showChildren(bool) () at /lib64/libQtGui.so.4
#50 0x00007f470c7e180f in QWidgetPrivate::show_helper() () at /lib64/libQtGui.so.4
#51 0x00007f470c7e368a in QWidget::setVisible(bool) () at /lib64/libQtGui.so.4
#52 0x00007f470c7e178e in QWidgetPrivate::showChildren(bool) () at /lib64/libQtGui.so.4
#53 0x00007f470c7e180f in QWidgetPrivate::show_helper() () at /lib64/libQtGui.so.4
#54 0x00007f470c7e368a in QWidget::setVisible(bool) () at /lib64/libQtGui.so.4
#55 0x00007f470c7c7166 in QStackedLayout::setCurrentIndex(int) () at /lib64/libQtGui.so.4
#56 0x00007f470d4f7efd in KPageViewPrivate::_k_pageSelected(QItemSelection const&, QItemSelection const&) () at /lib64/libkdeui.so.5
#57 0x00007f470bb2688a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /lib64/libQtCore.so.4
#58 0x00007f470ccdf497 in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () at /lib64/libQtGui.so.4
#59 0x00007f470cce497e in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () at /lib64/libQtGui.so.4
#60 0x00007f470cce51c6 in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /lib64/libQtGui.so.4
#61 0x00007f470cce02e8 in QItemSelectionModel::select(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /lib64/libQtGui.so.4
#62 0x00007f470ccdf6c2 in QItemSelectionModel::setCurrentIndex(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /lib64/libQtGui.so.4
#63 0x00007f470d4f709b in KPageViewPrivate::_k_rebuildGui() () at /lib64/libkdeui.so.5
#64 0x00007f470d4f7b55 in KPageViewPrivate::_k_modelChanged() () at /lib64/libkdeui.so.5
#65 0x00007f470bb2688a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /lib64/libQtCore.so.4
#66 0x00007f470d4fc908 in KPageWidgetModel::addPage(KPageWidgetItem*) () at /lib64/libkdeui.so.5
#67 0x00007f470d90f045 in ModuleView::addModule(KCModuleInfo*) () at /lib64/libsystemsettingsview.so.2
#68 0x00007f470d90f315 in ModuleView::loadModule(QModelIndex) () at /lib64/libsystemsettingsview.so.2
#69 0x00007f46eee21798 in IconMode::changeModule(QModelIndex const&) () at /usr/lib64/kde4/icon_mode.so
#70 0x00007f470bb2688a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /lib64/libQtCore.so.4
#71 0x00007f470cc8c815 in QAbstractItemView::activated(QModelIndex const&) () at /lib64/libQtGui.so.4
#72 0x00007f470cc964b0 in QAbstractItemView::mouseDoubleClickEvent(QMouseEvent*) () at /lib64/libQtGui.so.4
#73 0x00007f470c7e4cd9 in QWidget::event(QEvent*) () at /lib64/libQtGui.so.4
#74 0x00007f470cb885ae in QFrame::event(QEvent*) () at /lib64/libQtGui.so.4
#75 0x00007f470cc95f53 in QAbstractItemView::viewportEvent(QEvent*) () at /lib64/libQtGui.so.4
#76 0x00007f470bb12e16 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /lib64/libQtCore.so.4
#77 0x00007f470c79477c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#78 0x00007f470c79af8e in QApplication::notify(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#79 0x00007f470d4c740a in KApplication::notify(QObject*, QEvent*) () at /lib64/libkdeui.so.5
#80 0x00007f470bb12cad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQtCore.so.4
#81 0x00007f470c79a66f in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /lib64/libQtGui.so.4
#82 0x00007f470c80c8b2 in QETWidget::translateMouseEvent(_XEvent const*) () at /lib64/libQtGui.so.4
#83 0x00007f470c80b2ac in QApplication::x11ProcessEvent(_XEvent*) () at /lib64/libQtGui.so.4
#84 0x00007f470c832442 in x11EventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQtGui.so.4
#85 0x00007f47043b3c6d in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#86 0x00007f47043b3f18 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#87 0x00007f47043b3fbc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#88 0x00007f470bb3fe3e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#89 0x00007f470c8324f6 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtGui.so.4
#90 0x00007f470bb11931 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#91 0x00007f470bb11c45 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#92 0x00007f470bb16e59 in QCoreApplication::exec() () at /lib64/libQtCore.so.4
#93 0x000000000040aa8c in main ()

The reporter indicates this bug may be a duplicate of or related to bug 335111.

Possible duplicates by query: bug 378344.

Reported using DrKonqi