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
Unfortunately there isn't sufficient information here because the backtrace is missing line numbers https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports has information on getting a better backtrace.
I can't reproduce it, because it did not happen on my PC. Most likely that person upgraded to plasma 5.17 already.