Bug 414713

Application: systemsettings5 (5.16.5)

Qt Version: 5.12.5
Frameworks Version: 5.61.0
Operating System: Linux 5.3.12-300.fc31.x86_64 x86_64
Distribution (Platform): Fedora RPMs

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

I searched for audio in systemsettings and found multimedia. It crashed, when I clicked on multimedia.

The crash can be reproduced every time.

-- Backtrace:
Application: Systemeinstellungen (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1a3c332840 (LWP 2854))]

Thread 6 (Thread 0x7f1a1b5ef700 (LWP 2860)):
#0  0x00007f1a3e7e7a08 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f1a3e79ad0d in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#2  0x00007f1a3e79b6cb in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f1a3e79b8d3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f1a40b0bcd3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f1a40ab5ceb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f1a4090e395 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f1a3fbed119 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f1a4090f4e6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f1a3f0ec4e2 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f1a40590693 in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f1a25d91700 (LWP 2859)):
#0  0x00007f1a4058144c in read () from /lib64/libc.so.6
#1  0x00007f1a3e7e34cf in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f1a3e79b2e7 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f1a3e79b742 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007f1a3e79b8d3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007f1a40b0bcd3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f1a40ab5ceb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007f1a4090e395 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f1a3fbed119 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#9  0x00007f1a4090f4e6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#10 0x00007f1a3f0ec4e2 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f1a40590693 in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f1a2c8cc700 (LWP 2857)):
#0  0x00007f1a3f0f2d45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f1a277db14b in util_queue_thread_func () from /usr/lib64/dri/i965_dri.so
#2  0x00007f1a277dad5b in impl_thrd_routine () from /usr/lib64/dri/i965_dri.so
#3  0x00007f1a3f0ec4e2 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f1a40590693 in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f1a2e036700 (LWP 2856)):
#0  0x00007f1a420fcd75 in _dl_update_slotinfo () from /lib64/ld-linux-x86-64.so.2
#1  0x00007f1a420fcddc in update_get_addr () from /lib64/ld-linux-x86-64.so.2
#2  0x00007f1a42101fbc in __tls_get_addr () from /lib64/ld-linux-x86-64.so.2
#3  0x00007f1a4090ea8a in QThreadData::current(bool) () from /lib64/libQt5Core.so.5
#4  0x00007f1a40b0bb8e in postEventSourcePrepare(_GSource*, int*) () from /lib64/libQt5Core.so.5
#5  0x00007f1a3e79ad1a in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#6  0x00007f1a3e79b6cb in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#7  0x00007f1a3e79b8d3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#8  0x00007f1a40b0bcd3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#9  0x00007f1a40ab5ceb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#10 0x00007f1a4090e395 in QThread::exec() () from /lib64/libQt5Core.so.5
#11 0x00007f1a40d87f4a in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#12 0x00007f1a4090f4e6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#13 0x00007f1a3f0ec4e2 in start_thread () from /lib64/libpthread.so.0
#14 0x00007f1a40590693 in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f1a2f036700 (LWP 2855)):
#0  0x00007f1a40585a6f in poll () from /lib64/libc.so.6
#1  0x00007f1a3f0ab38a in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f1a3f0acfea in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f1a2f213ac8 in QXcbEventQueue::run() () from /lib64/libQt5XcbQpa.so.5
#4  0x00007f1a4090f4e6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007f1a3f0ec4e2 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f1a40590693 in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f1a3c332840 (LWP 2854)):
[KCrash Handler]
#6  0x00007f1a1959e866 in BackendSelection::load() () from /usr/lib64/qt5/plugins/kcm_phonon.so
#7  0x00007f1a1959133c in PhononKcm::PhononKcm(QWidget*, QList<QVariant> const&) () from /usr/lib64/qt5/plugins/kcm_phonon.so
#8  0x00007f1a19591880 in QObject* KPluginFactory::createInstance<PhononKcm, QWidget>(QWidget*, QObject*, QList<QVariant> const&) () from /usr/lib64/qt5/plugins/kcm_phonon.so
#9  0x00007f1a41ae20a2 in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () from /lib64/libKF5CoreAddons.so.5
#10 0x00007f1a4207043c in KCModule* KService::createInstance<KCModule>(QWidget*, QObject*, QList<QVariant> const&, QString*) const () from /lib64/libKF5KCMUtils.so.5
#11 0x00007f1a4206f189 in KCModuleLoader::loadModule(KCModuleInfo const&, KCModuleLoader::ErrorReporting, QWidget*, QStringList const&) () from /lib64/libKF5KCMUtils.so.5
#12 0x00007f1a42078a75 in KCModuleProxyPrivate::loadModule() () from /lib64/libKF5KCMUtils.so.5
#13 0x00007f1a420790c8 in KCModuleProxy::realModule() const () from /lib64/libKF5KCMUtils.so.5
#14 0x00007f1a420bc597 in ModuleView::updatePageIconHeader(KPageWidgetItem*, bool) () from /lib64/libsystemsettingsview.so.3
#15 0x00007f1a420bd2dd in ModuleView::addModule(KCModuleInfo*) () from /lib64/libsystemsettingsview.so.3
#16 0x00007f1a420bd6cd in ModuleView::loadModule(QModelIndex const&) () from /lib64/libsystemsettingsview.so.3
#17 0x00007f1a26c8d0eb in SidebarMode::changeModule(QModelIndex const&) () from /usr/lib64/qt5/plugins/systemsettings_sidebar_mode.so
#18 0x00007f1a26c8d4c9 in SidebarMode::setActiveCategory(int) () from /usr/lib64/qt5/plugins/systemsettings_sidebar_mode.so
#19 0x00007f1a26c8b197 in SidebarMode::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib64/qt5/plugins/systemsettings_sidebar_mode.so
#20 0x00007f1a26c8b45b in SidebarMode::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/qt5/plugins/systemsettings_sidebar_mode.so
#21 0x00007f1a3fa81f52 in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () from /lib64/libQt5Qml.so.5
#22 0x00007f1a3fa82d8e in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () from /lib64/libQt5Qml.so.5
#23 0x00007f1a3fa82ee1 in QV4::QObjectWrapper::virtualPut(QV4::Managed*, QV4::PropertyKey, QV4::Value const&, QV4::Value*) () from /lib64/libQt5Qml.so.5
#24 0x00007f1a3fa464ac in QV4::Object::virtualResolveLookupSetter(QV4::Object*, QV4::ExecutionEngine*, QV4::Lookup*, QV4::Value const&) () from /lib64/libQt5Qml.so.5
#25 0x00007f1a3fa9b7dd in QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) () from /lib64/libQt5Qml.so.5
#26 0x00007f1a3faa0557 in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) () from /lib64/libQt5Qml.so.5
#27 0x00007f1a3fa2d8ff in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /lib64/libQt5Qml.so.5
#28 0x00007f1a3fbb6c07 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /lib64/libQt5Qml.so.5
#29 0x00007f1a3fb55a5c in QQmlBoundSignalExpression::evaluate(void**) () from /lib64/libQt5Qml.so.5
#30 0x00007f1a3fb56c28 in QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**) () from /lib64/libQt5Qml.so.5
#31 0x00007f1a3fb99d9d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib64/libQt5Qml.so.5
#32 0x00007f1a3fb35de5 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /lib64/libQt5Qml.so.5
#33 0x00007f1a40ae0803 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#34 0x00007f1a2e445018 in QQuickAbstractButtonPrivate::handleRelease(QPointF const&) () from /lib64/libQt5QuickTemplates2.so.5
#35 0x00007f1a2e462959 in QQuickControl::mouseReleaseEvent(QMouseEvent*) () from /lib64/libQt5QuickTemplates2.so.5
#36 0x00007f1a3ffa5b58 in QQuickItem::event(QEvent*) () from /lib64/libQt5Quick.so.5
#37 0x00007f1a414b8ad6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#38 0x00007f1a414c2150 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#39 0x00007f1a40ab6de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#40 0x00007f1a3ffc0a1d in QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*) () from /lib64/libQt5Quick.so.5
#41 0x00007f1a3ffc1e91 in QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*) () from /lib64/libQt5Quick.so.5
#42 0x00007f1a3ffc2b59 in QQuickWindowPrivate::handleMouseEvent(QMouseEvent*) () from /lib64/libQt5Quick.so.5
#43 0x00007f1a40f2e57d in QWindow::event(QEvent*) () from /lib64/libQt5Gui.so.5
#44 0x00007f1a3ffc4089 in QQuickWindow::event(QEvent*) () from /lib64/libQt5Quick.so.5
#45 0x00007f1a414b8ad6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#46 0x00007f1a414c2150 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#47 0x00007f1a40ab6de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#48 0x00007f1a40287b0b in QQuickWidget::mouseReleaseEvent(QMouseEvent*) () from /lib64/libQt5QuickWidgets.so.5
#49 0x00007f1a414fb34e in QWidget::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#50 0x00007f1a40287cb3 in QQuickWidget::event(QEvent*) () from /lib64/libQt5QuickWidgets.so.5
#51 0x00007f1a414b8ad6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#52 0x00007f1a414c23a3 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#53 0x00007f1a40ab6de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#54 0x00007f1a414c14b7 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () from /lib64/libQt5Widgets.so.5
#55 0x00007f1a415170dd in QWidgetWindow::handleMouseEvent(QMouseEvent*) () from /lib64/libQt5Widgets.so.5
#56 0x00007f1a41519f6c in QWidgetWindow::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#57 0x00007f1a414b8ad6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#58 0x00007f1a414c2150 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#59 0x00007f1a40ab6de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#60 0x00007f1a40f24723 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib64/libQt5Gui.so.5
#61 0x00007f1a40f25f4b in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib64/libQt5Gui.so.5
#62 0x00007f1a40f0254b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Gui.so.5
#63 0x00007f1a2f214b5e in xcbSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5XcbQpa.so.5
#64 0x00007f1a3e79b4a0 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#65 0x00007f1a3e79b830 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#66 0x00007f1a3e79b8d3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#67 0x00007f1a40b0bcb5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#68 0x00007f1a40ab5ceb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#69 0x00007f1a40abda16 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#70 0x00005627c8f5586e in main ()
[Inferior 1 (process 2854) detached]

Possible duplicates by query: bug 307545, bug 306999.

Reported using DrKonqi