Bug 403037

Application: systemsettings (4.11.22)
KDE Platform Version: 4.14.38
Qt Version: 4.8.7
Operating System: Linux 4.19.13 x86_64
Distribution (Platform): Slackware Packages

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

I started System Settings -> Multimedia -> Audio and Video settings and the System settings app crashed.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f70207be75b in raise () at /lib64/libc.so.6
#7  0x00007f70207a0524 in abort () at /lib64/libc.so.6
#8  0x00007f70207a040f in _nl_load_domain.cold.0 () at /lib64/libc.so.6
#9  0x00007f70207afae2 in  () at /lib64/libc.so.6
#10 0x00007f700b3cf5f6 in  () at /usr/lib64/libasound.so.2
#11 0x00007f700b77d4e4 in  () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#12 0x00007f700b776f6e in  () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#13 0x00007f700b776ff8 in  () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#14 0x00007f701be1f6ad in Phonon::GlobalConfig::videoCaptureDeviceListFor(Phonon::CaptureCategory, int) const () at /usr/lib64/libphonon.so.4
#15 0x00007f701be12d9e in Phonon::BackendCapabilities::availableVideoCaptureDevices() () at /usr/lib64/libphonon.so.4
#16 0x00007f700ce24d2f in  () at /usr/lib64/kde4/kcm_phonon.so
#17 0x00007f7020e6d070 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib64/libQtCore.so.4
#18 0x00007f7020e6d070 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib64/libQtCore.so.4
#19 0x00007f701be1c6f3 in Phonon::Factory::backend(bool) () at /usr/lib64/libphonon.so.4
#20 0x00007f701be20ffa in Phonon::GlobalConfig::audioOutputDeviceListFor(Phonon::Category, int) const () at /usr/lib64/libphonon.so.4
#21 0x00007f700ce27c31 in  () at /usr/lib64/kde4/kcm_phonon.so
#22 0x00007f700ce28600 in  () at /usr/lib64/kde4/kcm_phonon.so
#23 0x00007f700ce21017 in  () at /usr/lib64/kde4/kcm_phonon.so
#24 0x00007f700ce2185b in  () at /usr/lib64/kde4/kcm_phonon.so
#25 0x00007f702127746d in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () at /usr/lib64/libkdecore.so.5
#26 0x00007f702279102f in KCModuleLoader::loadModule(KCModuleInfo const&, KCModuleLoader::ErrorReporting, QWidget*, QStringList const&) () at /usr/lib64/libkcmutils.so.4
#27 0x00007f7022796197 in  () at /usr/lib64/libkcmutils.so.4
#28 0x00007f70227970da in KCModuleProxy::realModule() const () at /usr/lib64/libkcmutils.so.4
#29 0x00007f70227974d3 in KCModuleProxy::showEvent(QShowEvent*) () at /usr/lib64/libkcmutils.so.4
#30 0x00007f702180f680 in QWidget::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#31 0x00007f70217c0bfc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#32 0x00007f70217c6f92 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#33 0x00007f70223463fa in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#34 0x00007f7020e59f8b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#35 0x00007f702180cdad in QWidgetPrivate::show_helper() () at /usr/lib64/libQtGui.so.4
#36 0x00007f702180cbf9 in QWidgetPrivate::showChildren(bool) () at /usr/lib64/libQtGui.so.4
#37 0x00007f702180cc4f in QWidgetPrivate::show_helper() () at /usr/lib64/libQtGui.so.4
#38 0x00007f702180e996 in QWidget::setVisible(bool) () at /usr/lib64/libQtGui.so.4
#39 0x00007f702180cbb0 in QWidgetPrivate::showChildren(bool) () at /usr/lib64/libQtGui.so.4
#40 0x00007f702180cc4f in QWidgetPrivate::show_helper() () at /usr/lib64/libQtGui.so.4
#41 0x00007f702180e996 in QWidget::setVisible(bool) () at /usr/lib64/libQtGui.so.4
#42 0x00007f70217f4121 in QStackedLayout::setCurrentIndex(int) () at /usr/lib64/libQtGui.so.4
#43 0x00007f702237316a in  () at /usr/lib64/libkdeui.so.5
#44 0x00007f7020e6d070 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib64/libQtCore.so.4
#45 0x00007f7021cc4337 in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () at /usr/lib64/libQtGui.so.4
#46 0x00007f7021cc8f25 in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () at /usr/lib64/libQtGui.so.4
#47 0x00007f7021cc9339 in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib64/libQtGui.so.4
#48 0x00007f7022375d24 in  () at /usr/lib64/libkdeui.so.5
#49 0x00007f7021c9b970 in QListView::setSelection(QRect const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib64/libQtGui.so.4
#50 0x00007f7021c7b430 in QAbstractItemView::mousePressEvent(QMouseEvent*) () at /usr/lib64/libQtGui.so.4
#51 0x00007f702180fd3c in QWidget::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#52 0x00007f7021b7aa6e in QFrame::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#53 0x00007f7021c7f3fb in QAbstractItemView::viewportEvent(QEvent*) () at /usr/lib64/libQtGui.so.4
#54 0x00007f7020e5a0bc in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#55 0x00007f70217c0bec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#56 0x00007f70217c716c in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#57 0x00007f70223463fa in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#58 0x00007f7020e59f8b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#59 0x00007f70217c68c4 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib64/libQtGui.so.4
#60 0x00007f70218358ae in  () at /usr/lib64/libQtGui.so.4
#61 0x00007f7021834a75 in QApplication::x11ProcessEvent(_XEvent*) () at /usr/lib64/libQtGui.so.4
#62 0x00007f702185979c in  () at /usr/lib64/libQtGui.so.4
#63 0x00007f7018c9392e in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#64 0x00007f7018c93b98 in  () at /usr/lib64/libglib-2.0.so.0
#65 0x00007f7018c93c1c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#66 0x00007f7020e84cf5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#67 0x00007f70218598f7 in  () at /usr/lib64/libQtGui.so.4
#68 0x00007f7020e5894f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#69 0x00007f7020e58bee in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#70 0x00007f7020e5d8ea in QCoreApplication::exec() () at /usr/lib64/libQtCore.so.4
#71 0x000000000040c43b in  ()
#72 0x00007f70207a20ab in __libc_start_main () at /lib64/libc.so.6
#73 0x000000000040c55a in _start ()
[Inferior 1 (process 4615) detached]

Reported using DrKonqi