Bug 374837

Application: systemsettings5 (5.8.5)

Qt Version: 5.7.1
Frameworks Version: 5.29.0
Operating System: Linux 4.9.0-gentoo x86_64
Distribution: "Gentoo Base System release 2.3"

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

This is an exact duplicate of the two related bugreports, but DrKonqi is broken and does not allow me to attach my backtrace there.

The crash can be reproduced sometimes.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb842482800 (LWP 17218))]

Thread 14 (Thread 0x7fb7d3fff700 (LWP 17805)):
#0  0x00007fb83a37ca6c in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb83a337e90 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb83a3387bb in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb83a33899c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb83f5408cb in QEventDispatcherGlib::processEvents (this=0x7fb7c80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fb83f4f451a in QEventLoop::exec (this=this@entry=0x7fb7d3ffeda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fb83f358494 in QThread::exec (this=this@entry=0x4e7e570) at thread/qthread.cpp:507
#7  0x00007fb83dc631b5 in QQmlThreadPrivate::run (this=0x4e7e570) at qml/ftw/qqmlthread.cpp:147
#8  0x00007fb83f35c60b in QThreadPrivate::start (arg=0x4e7e570) at thread/qthread_unix.cpp:368
#9  0x00007fb83c05637c in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb83ec0499d in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7fb7dd836700 (LWP 17804)):
#0  0x00007fb83ebfbb0d in poll () from /lib64/libc.so.6
#1  0x00007fb83a33888c in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb83a33899c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb83f5408cb in QEventDispatcherGlib::processEvents (this=0x7fb7cc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fb83f4f451a in QEventLoop::exec (this=this@entry=0x7fb7dd835da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fb83f358494 in QThread::exec (this=this@entry=0x4d1c350) at thread/qthread.cpp:507
#6  0x00007fb83dc631b5 in QQmlThreadPrivate::run (this=0x4d1c350) at qml/ftw/qqmlthread.cpp:147
#7  0x00007fb83f35c60b in QThreadPrivate::start (arg=0x4d1c350) at thread/qthread_unix.cpp:368
#8  0x00007fb83c05637c in start_thread () from /lib64/libpthread.so.0
#9  0x00007fb83ec0499d in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7fb7e5986700 (LWP 17560)):
#0  0x00007fb83a37ca51 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb83a337848 in g_main_context_acquire () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb83a338745 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb83a33899c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb83f5408cb in QEventDispatcherGlib::processEvents (this=0x7fb7d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fb83f4f451a in QEventLoop::exec (this=this@entry=0x7fb7e5985da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fb83f358494 in QThread::exec (this=this@entry=0x2ef3420) at thread/qthread.cpp:507
#7  0x00007fb83dc631b5 in QQmlThreadPrivate::run (this=0x2ef3420) at qml/ftw/qqmlthread.cpp:147
#8  0x00007fb83f35c60b in QThreadPrivate::start (arg=0x2ef3420) at thread/qthread_unix.cpp:368
#9  0x00007fb83c05637c in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb83ec0499d in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7fb7e7afe700 (LWP 17446)):
#0  0x00007fb83ec10b7f in __libc_enable_asynccancel () from /lib64/libc.so.6
#1  0x00007fb83ebfbb02 in poll () from /lib64/libc.so.6
#2  0x00007fb83a33888c in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb83a33899c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb83f5408cb in QEventDispatcherGlib::processEvents (this=0x7fb7e00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fb83f4f451a in QEventLoop::exec (this=this@entry=0x7fb7e7afdda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fb83f358494 in QThread::exec (this=this@entry=0x3c33750) at thread/qthread.cpp:507
#7  0x00007fb83dc631b5 in QQmlThreadPrivate::run (this=0x3c33750) at qml/ftw/qqmlthread.cpp:147
#8  0x00007fb83f35c60b in QThreadPrivate::start (arg=0x3c33750) at thread/qthread_unix.cpp:368
#9  0x00007fb83c05637c in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb83ec0499d in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7fb810a08700 (LWP 17393)):
#0  0x00007fb83ec10be2 in __libc_disable_asynccancel () from /lib64/libc.so.6
#1  0x00007fb83ebf7c19 in read () from /lib64/libc.so.6
#2  0x00007fb83a37b7f0 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb83a338366 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb83a338830 in ?? () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fb83a33899c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#6  0x00007fb83f5408cb in QEventDispatcherGlib::processEvents (this=0x7fb80c083570, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007fb83f4f451a in QEventLoop::exec (this=this@entry=0x7fb810a07da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#8  0x00007fb83f358494 in QThread::exec (this=this@entry=0x2783990) at thread/qthread.cpp:507
#9  0x00007fb83dc631b5 in QQmlThreadPrivate::run (this=0x2783990) at qml/ftw/qqmlthread.cpp:147
#10 0x00007fb83f35c60b in QThreadPrivate::start (arg=0x2783990) at thread/qthread_unix.cpp:368
#11 0x00007fb83c05637c in start_thread () from /lib64/libpthread.so.0
#12 0x00007fb83ec0499d in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7fb8090be700 (LWP 17392)):
#0  0x00007fb83a37ca51 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb83a337974 in g_main_context_release () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb83a338846 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb83a33899c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb83f5408cb in QEventDispatcherGlib::processEvents (this=0x7fb804049850, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fb83f4f451a in QEventLoop::exec (this=this@entry=0x7fb8090bdda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fb83f358494 in QThread::exec (this=this@entry=0x272db70) at thread/qthread.cpp:507
#7  0x00007fb83dc631b5 in QQmlThreadPrivate::run (this=0x272db70) at qml/ftw/qqmlthread.cpp:147
#8  0x00007fb83f35c60b in QThreadPrivate::start (arg=0x272db70) at thread/qthread_unix.cpp:368
#9  0x00007fb83c05637c in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb83ec0499d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7fb8134eb700 (LWP 17225)):
#0  0x00007fb83c05be6f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007fb81ed4a8f3 in cnd_wait (mtx=0x2305cd8, cond=0x2305d00) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input@entry=0x23d0680) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/src/gallium/auxiliary/util/u_queue.c:76
#3  0x00007fb81ed4a757 in impl_thrd_routine (p=<optimized out>) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/include/c11/threads_posix.h:87
#4  0x00007fb83c05637c in start_thread () from /lib64/libpthread.so.0
#5  0x00007fb83ec0499d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fb813cec700 (LWP 17224)):
#0  0x00007fb83c05be6f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007fb81ed4a8f3 in cnd_wait (mtx=0x2305cd8, cond=0x2305d00) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input@entry=0x236e130) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/src/gallium/auxiliary/util/u_queue.c:76
#3  0x00007fb81ed4a757 in impl_thrd_routine (p=<optimized out>) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/include/c11/threads_posix.h:87
#4  0x00007fb83c05637c in start_thread () from /lib64/libpthread.so.0
#5  0x00007fb83ec0499d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fb8144ed700 (LWP 17223)):
#0  0x00007fb83c05be6f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007fb81ed4a8f3 in cnd_wait (mtx=0x2305cd8, cond=0x2305d00) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input@entry=0x23d0680) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/src/gallium/auxiliary/util/u_queue.c:76
#3  0x00007fb81ed4a757 in impl_thrd_routine (p=<optimized out>) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/include/c11/threads_posix.h:87
#4  0x00007fb83c05637c in start_thread () from /lib64/libpthread.so.0
#5  0x00007fb83ec0499d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fb814cee700 (LWP 17222)):
#0  0x00007fb83c05be6f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007fb81ed4a8f3 in cnd_wait (mtx=0x2305cd8, cond=0x2305d00) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input@entry=0x236e130) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/src/gallium/auxiliary/util/u_queue.c:76
#3  0x00007fb81ed4a757 in impl_thrd_routine (p=<optimized out>) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/include/c11/threads_posix.h:87
#4  0x00007fb83c05637c in start_thread () from /lib64/libpthread.so.0
#5  0x00007fb83ec0499d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fb8156f6700 (LWP 17221)):
#0  0x00007fb83c05be6f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007fb81ed4a8f3 in cnd_wait (mtx=0x232c5b8, cond=0x232c5e0) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input@entry=0x23a4340) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/src/gallium/auxiliary/util/u_queue.c:76
#3  0x00007fb81ed4a757 in impl_thrd_routine (p=<optimized out>) at /var/tmp/portage/media-libs/mesa-13.0.2/work/mesa-13.0.2/include/c11/threads_posix.h:87
#4  0x00007fb83c05637c in start_thread () from /lib64/libpthread.so.0
#5  0x00007fb83ec0499d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fb827b5e700 (LWP 17220)):
#0  0x00007fb83ebfbb0d in poll () from /lib64/libc.so.6
#1  0x00007fb83a33888c in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb83a33899c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb83f5408cb in QEventDispatcherGlib::processEvents (this=0x7fb8200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fb83f4f451a in QEventLoop::exec (this=this@entry=0x7fb827b5dd90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fb83f358494 in QThread::exec (this=this@entry=0x7fb8425e5ec0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:507
#6  0x00007fb842574635 in QDBusConnectionManager::run (this=0x7fb8425e5ec0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#7  0x00007fb83f35c60b in QThreadPrivate::start (arg=0x7fb8425e5ec0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368
#8  0x00007fb83c05637c in start_thread () from /lib64/libpthread.so.0
#9  0x00007fb83ec0499d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fb83040e700 (LWP 17219)):
#0  0x00007fb83ebfbb0d in poll () from /lib64/libc.so.6
#1  0x00007fb83c8e3842 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007fb83c8e55d7 in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007fb83299ab89 in QXcbEventReader::run (this=0x20e8400) at qxcbconnection.cpp:1343
#4  0x00007fb83f35c60b in QThreadPrivate::start (arg=0x20e8400) at thread/qthread_unix.cpp:368
#5  0x00007fb83c05637c in start_thread () from /lib64/libpthread.so.0
#6  0x00007fb83ec0499d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fb842482800 (LWP 17218)):
[KCrash Handler]
#6  QV4::Value::as<QV4::QObjectWrapper> (this=0x4b83740) at jsruntime/qv4value_p.h:428
#7  QV4::Value::as<QV4::QObjectWrapper> (this=0x4b83740) at jsruntime/qv4value_p.h:434
#8  QV4::WeakValue::free (this=this@entry=0x4b80c30) at jsruntime/qv4persistent.cpp:425
#9  0x00007fb83dbad839 in QV4::WeakValue::clear (this=0x4b80c30) at ../../include/QtQml/5.7.1/QtQml/private/../../../../../src/qml/jsruntime/qv4persistent_p.h:187
#10 QV4::QObjectWrapper::destroyObject (this=<optimized out>, lastCall=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:1051
#11 0x00007fb83da4cc74 in QV4::MemoryManager::sweep (this=this@entry=0x359b850, lastSweep=lastSweep@entry=true) at memory/qv4mm.cpp:440
#12 0x00007fb83da4e734 in QV4::MemoryManager::~MemoryManager (this=0x359b850, __in_chrg=<optimized out>) at memory/qv4mm.cpp:642
#13 0x00007fb83db33212 in QV4::ExecutionEngine::~ExecutionEngine (this=0x4ba0aa0, __in_chrg=<optimized out>) at jsruntime/qv4engine.cpp:452
#14 0x00007fb83dc64b88 in QV8Engine::~QV8Engine (this=0x4ba2cf0, __in_chrg=<optimized out>) at qml/v8/qv8engine.cpp:167
#15 0x00007fb83dc64ca9 in QV8Engine::~QV8Engine (this=0x4ba2cf0, __in_chrg=<optimized out>) at qml/v8/qv8engine.cpp:168
#16 0x00007fb83dac9256 in QJSEngine::~QJSEngine (this=0x4ba2a80, __in_chrg=<optimized out>) at jsapi/qjsengine.cpp:308
#17 0x00007fb83dbd6155 in QQmlEngine::~QQmlEngine (this=0x4ba2a80, __in_chrg=<optimized out>) at qml/qqmlengine.cpp:950
#18 0x00007fb83dbd6209 in QQmlEngine::~QQmlEngine (this=0x4ba2a80, __in_chrg=<optimized out>) at qml/qqmlengine.cpp:972
#19 0x00007fb83f5216e5 in QObjectPrivate::deleteChildren (this=this@entry=0x4b94fb0) at kernel/qobject.cpp:1970
#20 0x00007fb84096a2d4 in QWidget::~QWidget (this=0x4b94f70, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#21 0x00007fb84254fce1 in QQuickWidget::~QQuickWidget (this=0x4b94f70, __in_chrg=<optimized out>) at qquickwidget.cpp:424
#22 0x00007fb83f5216e5 in QObjectPrivate::deleteChildren (this=this@entry=0x4b937b0) at kernel/qobject.cpp:1970
#23 0x00007fb84096a2d4 in QWidget::~QWidget (this=0x4b93340, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#24 0x00007fb84096a5a1 in QWidget::~QWidget (this=0x4b93340, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1714
#25 0x00007fb83f5216e5 in QObjectPrivate::deleteChildren (this=this@entry=0x4b81360) at kernel/qobject.cpp:1970
#26 0x00007fb84096a2d4 in QWidget::~QWidget (this=0x4b81320, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#27 0x00007fb840ab1b69 in QStackedWidget::~QStackedWidget (this=0x4b81320, __in_chrg=<optimized out>) at widgets/qstackedwidget.cpp:149
#28 0x00007fb83f5216e5 in QObjectPrivate::deleteChildren (this=this@entry=0x4b810b0) at kernel/qobject.cpp:1970
#29 0x00007fb84096a2d4 in QWidget::~QWidget (this=0x4b81070, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#30 0x00007fb840abe429 in QTabWidget::~QTabWidget (this=0x4b81070, __in_chrg=<optimized out>) at widgets/qtabwidget.cpp:363
#31 0x00007fb83f5216e5 in QObjectPrivate::deleteChildren (this=this@entry=0x4b80cb0) at kernel/qobject.cpp:1970
#32 0x00007fb84096a2d4 in QWidget::~QWidget (this=0x4b80bd0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#33 0x00007fb7dfa8357e in ?? () from /usr/lib64/qt5/plugins/screenlocker_kcm.so
#34 0x00007fb83f5216e5 in QObjectPrivate::deleteChildren (this=this@entry=0x4b80760) at kernel/qobject.cpp:1970
#35 0x00007fb84096a2d4 in QWidget::~QWidget (this=0x4b806f0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#36 0x00007fb841605b1a in KCModule::~KCModule() () from /usr/lib64/libKF5ConfigWidgets.so.5
#37 0x00007fb7dfa879ca in ?? () from /usr/lib64/qt5/plugins/screenlocker_kcm.so
#38 0x00007fb841fec25c in KCModuleProxy::deleteClient() () from /usr/lib64/libKF5KCMUtils.so.5
#39 0x00007fb841fec2fa in KCModuleProxy::~KCModuleProxy() () from /usr/lib64/libKF5KCMUtils.so.5
#40 0x00007fb841fec481 in KCModuleProxy::~KCModuleProxy() () from /usr/lib64/libKF5KCMUtils.so.5
#41 0x00007fb83f5216e5 in QObjectPrivate::deleteChildren (this=this@entry=0x351f400) at kernel/qobject.cpp:1970
#42 0x00007fb84096a2d4 in QWidget::~QWidget (this=0x26cc4e0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#43 0x00007fb84096a5a1 in QWidget::~QWidget (this=0x26cc4e0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1714
#44 0x00007fb83f5216e5 in QObjectPrivate::deleteChildren (this=this@entry=0x2a3db10) at kernel/qobject.cpp:1970
#45 0x00007fb84096a2d4 in QWidget::~QWidget (this=0x2b39a00, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#46 0x00007fb840adbc39 in QScrollArea::~QScrollArea (this=0x2b39a00, __in_chrg=<optimized out>) at widgets/qscrollarea.cpp:174
#47 0x00007fb840f12c1b in KPageWidgetItem::~KPageWidgetItem() () from /usr/lib64/libKF5WidgetsAddons.so.5
#48 0x00007fb840f12cf1 in KPageWidgetItem::~KPageWidgetItem() () from /usr/lib64/libKF5WidgetsAddons.so.5
#49 0x00007fb840f136db in ?? () from /usr/lib64/libKF5WidgetsAddons.so.5
#50 0x00007fb840f142d0 in KPageWidgetModel::removePage(KPageWidgetItem*) () from /usr/lib64/libKF5WidgetsAddons.so.5
#51 0x00007fb842228ab5 in ModuleView::closeModules (this=0x2567a50) at /var/tmp/portage/kde-plasma/systemsettings-5.8.5/work/systemsettings-5.8.5/core/ModuleView.cpp:275
#52 0x00007fb81290e276 in IconMode::backToOverview (this=0x24dd380) at /var/tmp/portage/kde-plasma/systemsettings-5.8.5/work/systemsettings-5.8.5/icons/IconMode.cpp:156
#53 0x00007fb83f51ab4f in QMetaObject::activate (sender=sender@entry=0x24f4430, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffd9218b280) at kernel/qobject.cpp:3740
#54 0x00007fb83f51b4a7 in QMetaObject::activate (sender=sender@entry=0x24f4430, m=m@entry=0x7fb840df1660 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffd9218b280) at kernel/qobject.cpp:3602
#55 0x00007fb840922432 in QAction::triggered (this=this@entry=0x24f4430, _t1=false) at .moc/moc_qaction.cpp:369
#56 0x00007fb840924c60 in QAction::activate (this=0x24f4430, event=<optimized out>) at kernel/qaction.cpp:1170
#57 0x00007fb840a0e8c0 in QAbstractButtonPrivate::click (this=0x253d810) at widgets/qabstractbutton.cpp:393
#58 0x00007fb840a0e9ec in QAbstractButton::mouseReleaseEvent (this=0x253c920, e=0x7ffd9218b7a0) at widgets/qabstractbutton.cpp:1009
#59 0x00007fb840ad627a in QToolButton::mouseReleaseEvent (this=<optimized out>, e=<optimized out>) at widgets/qtoolbutton.cpp:616
#60 0x00007fb84096e768 in QWidget::event (this=0x253c920, event=event@entry=0x7ffd9218b7a0) at kernel/qwidget.cpp:9161
#61 0x00007fb840a0f343 in QAbstractButton::event (this=this@entry=0x253c920, e=e@entry=0x7ffd9218b7a0) at widgets/qabstractbutton.cpp:966
#62 0x00007fb840ad6360 in QToolButton::event (this=0x253c920, event=0x7ffd9218b7a0) at widgets/qtoolbutton.cpp:982
#63 0x00007fb840928a8c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x253c920, e=0x7ffd9218b7a0) at kernel/qapplication.cpp:3799
#64 0x00007fb840930b21 in QApplication::notify (this=<optimized out>, receiver=0x253c920, e=0x7ffd9218b7a0) at kernel/qapplication.cpp:3273
#65 0x00007fb83f4f5519 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x253c920, event=event@entry=0x7ffd9218b7a0) at kernel/qcoreapplication.cpp:988
#66 0x00007fb84092f81a in QCoreApplication::sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#67 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x253c920, event=event@entry=0x7ffd9218b7a0, alienWidget=alienWidget@entry=0x253c920, nativeWidget=0x21bf9b0, buttonDown=buttonDown@entry=0x7fb840e1c4a0 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:2771
#68 0x00007fb840988325 in QWidgetWindow::handleMouseEvent (this=this@entry=0x2988560, event=event@entry=0x7ffd9218bbc0) at kernel/qwidgetwindow.cpp:617
#69 0x00007fb84098ad13 in QWidgetWindow::event (this=0x2988560, event=0x7ffd9218bbc0) at kernel/qwidgetwindow.cpp:239
#70 0x00007fb840928a8c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x2988560, e=0x7ffd9218bbc0) at kernel/qapplication.cpp:3799
#71 0x00007fb84093025d in QApplication::notify (this=0x7ffd9218c090, receiver=0x2988560, e=0x7ffd9218bbc0) at kernel/qapplication.cpp:3556
#72 0x00007fb83f4f5519 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x2988560, event=event@entry=0x7ffd9218bbc0) at kernel/qcoreapplication.cpp:988
#73 0x00007fb84042fba7 in QCoreApplication::sendSpontaneousEvent (event=0x7ffd9218bbc0, receiver=0x2988560) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#74 QGuiApplicationPrivate::processMouseEvent (e=0x4773260) at kernel/qguiapplication.cpp:1903
#75 0x00007fb840431a0d in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x4773260) at kernel/qguiapplication.cpp:1687
#76 0x00007fb840413122 in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:659
#77 0x00007fb8329d01d0 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:76
#78 0x00007fb83a33868e in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#79 0x00007fb83a3388f0 in ?? () from /usr/lib64/libglib-2.0.so.0
#80 0x00007fb83a33899c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#81 0x00007fb83f5408a7 in QEventDispatcherGlib::processEvents (this=0x2122850, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#82 0x00007fb83f4f451a in QEventLoop::exec (this=this@entry=0x7ffd9218bf70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#83 0x00007fb83f4fbd44 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1261
#84 0x00007fb8404279bc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1633
#85 0x00007fb8409289e5 in QApplication::exec () at kernel/qapplication.cpp:2975
#86 0x000000000040c0e0 in main (argc=1, argv=<optimized out>) at /var/tmp/portage/kde-plasma/systemsettings-5.8.5/work/systemsettings-5.8.5/app/main.cpp:56

Possible duplicates by query: bug 374648, bug 374534.

Reported using DrKonqi