Bug 376358

Application: systemsettings5 (5.9.1)
 (Compiled from sources)
Qt Version: 5.7.1
Frameworks Version: 5.30.0
Operating System: Linux 4.9.9-gentoo x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
System Settings crashes lately quite often.

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 0x7f0072c62400 (LWP 2531))]

Thread 9 (Thread 0x7f00035ac700 (LWP 2602)):
#0  0x00007fff93ffe929 in ?? ()
#1  0x00007fff93ffeaec in clock_gettime ()
#2  0x00007f006f4183f6 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7f00035abaf0) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f006fbeee01 in qt_clock_gettime (ts=0x7f00035abaf0, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:109
#4  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:164
#5  qt_gettime () at tools/qelapsedtimer_unix.cpp:173
#6  0x00007f006fd434c9 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f0014014c70) at kernel/qtimerinfo_unix.cpp:91
#7  0x00007f006fd438a5 in QTimerInfoList::timerWait (this=0x7f0014014c70, tm=...) at kernel/qtimerinfo_unix.cpp:388
#8  0x00007f006fd44acc in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7f00035abbd4) at kernel/qeventdispatcher_glib.cpp:132
#9  0x00007f006fd44b95 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:165
#10 0x00007f006a916c1d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#11 0x00007f006a91760b in ?? () from /usr/lib64/libglib-2.0.so.0
#12 0x00007f006a9177ec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#13 0x00007f006fd44e2b in QEventDispatcherGlib::processEvents (this=0x7f0014002fd0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#14 0x00007f006fcf6b0a in QEventLoop::exec (this=this@entry=0x7f00035abda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#15 0x00007f006fb54214 in QThread::exec (this=this@entry=0x5a18ca0) at thread/qthread.cpp:507
#16 0x00007f006e4721d5 in QQmlThreadPrivate::run (this=0x5a18ca0) at qml/ftw/qqmlthread.cpp:147
#17 0x00007f006fb5845c in QThreadPrivate::start (arg=0x5a18ca0) at thread/qthread_unix.cpp:368
#18 0x00007f006c62a454 in start_thread (arg=0x7f00035ac700) at pthread_create.c:333
#19 0x00007f006f40b65f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 8 (Thread 0x7f0032958700 (LWP 2587)):
#0  0x00007f006f40228d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f006a9176dc in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f006a9177ec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f006fd44e2b in QEventDispatcherGlib::processEvents (this=0x7f002c001fe0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f006fcf6b0a in QEventLoop::exec (this=this@entry=0x7f0032957da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f006fb54214 in QThread::exec (this=this@entry=0x695d690) at thread/qthread.cpp:507
#6  0x00007f006e4721d5 in QQmlThreadPrivate::run (this=0x695d690) at qml/ftw/qqmlthread.cpp:147
#7  0x00007f006fb5845c in QThreadPrivate::start (arg=0x695d690) at thread/qthread_unix.cpp:368
#8  0x00007f006c62a454 in start_thread (arg=0x7f0032958700) at pthread_create.c:333
#9  0x00007f006f40b65f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 7 (Thread 0x7f0021ffb700 (LWP 2586)):
#0  0x00007f006a95d544 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f006a916c10 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f006a91760b in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f006a9177ec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f006fd44e2b in QEventDispatcherGlib::processEvents (this=0x7f0018062340, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f006fcf6b0a in QEventLoop::exec (this=this@entry=0x7f0021ffada0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f006fb54214 in QThread::exec (this=this@entry=0x25c2480) at thread/qthread.cpp:507
#7  0x00007f006e4721d5 in QQmlThreadPrivate::run (this=0x25c2480) at qml/ftw/qqmlthread.cpp:147
#8  0x00007f006fb5845c in QThreadPrivate::start (arg=0x25c2480) at thread/qthread_unix.cpp:368
#9  0x00007f006c62a454 in start_thread (arg=0x7f0021ffb700) at pthread_create.c:333
#10 0x00007f006f40b65f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 6 (Thread 0x7f0010d6e700 (LWP 2585)):
#0  QMutex::unlock (this=this@entry=0x258b3c0) at thread/qmutex.cpp:277
#1  0x00007f006fd44d01 in QMutexLocker::unlock (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:147
#2  QMutexLocker::~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:141
#3  QThreadData::canWaitLocked (this=0x258b390) at ../../include/QtCore/5.7.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:253
#4  postEventSourcePrepare (s=0x7f002802e2c0, timeout=0x7f0010d6dbd4) at kernel/qeventdispatcher_glib.cpp:259
#5  0x00007f006a916c1d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#6  0x00007f006a91760b in ?? () from /usr/lib64/libglib-2.0.so.0
#7  0x00007f006a9177ec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f006fd44e2b in QEventDispatcherGlib::processEvents (this=0x7f0028003bc0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#9  0x00007f006fcf6b0a in QEventLoop::exec (this=this@entry=0x7f0010d6dda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#10 0x00007f006fb54214 in QThread::exec (this=this@entry=0x43b50d0) at thread/qthread.cpp:507
#11 0x00007f006e4721d5 in QQmlThreadPrivate::run (this=0x43b50d0) at qml/ftw/qqmlthread.cpp:147
#12 0x00007f006fb5845c in QThreadPrivate::start (arg=0x43b50d0) at thread/qthread_unix.cpp:368
#13 0x00007f006c62a454 in start_thread (arg=0x7f0010d6e700) at pthread_create.c:333
#14 0x00007f006f40b65f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 5 (Thread 0x7f004da9e700 (LWP 2537)):
#0  0x00007f006f3fe27d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f006a95c190 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f006a9171ae in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f006a917680 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f006a917a62 in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f004ec1a6d6 in ?? () from /usr/lib64/libgio-2.0.so.0
#6  0x00007f006a93f5b5 in ?? () from /usr/lib64/libglib-2.0.so.0
#7  0x00007f006c62a454 in start_thread (arg=0x7f004da9e700) at pthread_create.c:333
#8  0x00007f006f40b65f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7f004e29f700 (LWP 2536)):
#0  0x00007f006f40228d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f006a9176dc in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f006a9177ec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f006a917829 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f006a93f5b5 in ?? () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f006c62a454 in start_thread (arg=0x7f004e29f700) at pthread_create.c:333
#6  0x00007f006f40b65f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7f005a12d700 (LWP 2534)):
#0  postEventSourcePrepare (s=0x7f00540012d0, timeout=0x0) at kernel/qeventdispatcher_glib.cpp:251
#1  0x00007f006a9170e1 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f006a917680 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f006a9177ec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f006fd44e2b in QEventDispatcherGlib::processEvents (this=0x7f00540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f006fcf6b0a in QEventLoop::exec (this=this@entry=0x7f005a12cd90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f006fb54214 in QThread::exec (this=this@entry=0x7f0072e227c0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:507
#7  0x00007f0072dae835 in QDBusConnectionManager::run (this=0x7f0072e227c0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#8  0x00007f006fb5845c in QThreadPrivate::start (arg=0x7f0072e227c0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368
#9  0x00007f006c62a454 in start_thread (arg=0x7f005a12d700) at pthread_create.c:333
#10 0x00007f006f40b65f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7f0060e29700 (LWP 2533)):
#0  0x00007f006f40228d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f006cea28f2 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f006cea46f7 in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f006338dfb9 in QXcbEventReader::run (this=0x127a180) at qxcbconnection.cpp:1343
#4  0x00007f006fb5845c in QThreadPrivate::start (arg=0x127a180) at thread/qthread_unix.cpp:368
#5  0x00007f006c62a454 in start_thread (arg=0x7f0060e29700) at pthread_create.c:333
#6  0x00007f006f40b65f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7f0072c62400 (LWP 2531)):
[KCrash Handler]
#6  QV4::Value::as<QV4::QObjectWrapper> (this=0x2ad8e90) at jsruntime/qv4value_p.h:428
#7  QV4::Value::as<QV4::QObjectWrapper> (this=0x2ad8e90) at jsruntime/qv4value_p.h:434
#8  QV4::WeakValue::free (this=this@entry=0x2cecb40) at jsruntime/qv4persistent.cpp:425
#9  0x00007f006e3b9a99 in QV4::WeakValue::clear (this=0x2cecb40) 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 0x00007f006e2541fc in QV4::MemoryManager::sweep (this=this@entry=0x5b8fc30, lastSweep=lastSweep@entry=true) at memory/qv4mm.cpp:440
#12 0x00007f006e255d0c in QV4::MemoryManager::~MemoryManager (this=0x5b8fc30, __in_chrg=<optimized out>) at memory/qv4mm.cpp:642
#13 0x00007f006e33e782 in QV4::ExecutionEngine::~ExecutionEngine (this=0x5b8fac0, __in_chrg=<optimized out>) at jsruntime/qv4engine.cpp:452
#14 0x00007f006e473c08 in QV8Engine::~QV8Engine (this=0x5b8fa50, __in_chrg=<optimized out>) at qml/v8/qv8engine.cpp:167
#15 0x00007f006e473d29 in QV8Engine::~QV8Engine (this=0x5b8fa50, __in_chrg=<optimized out>) at qml/v8/qv8engine.cpp:168
#16 0x00007f006e2d2ff6 in QJSEngine::~QJSEngine (this=0x2405430, __in_chrg=<optimized out>) at jsapi/qjsengine.cpp:308
#17 0x00007f006e3e29c5 in QQmlEngine::~QQmlEngine (this=0x2405430, __in_chrg=<optimized out>) at qml/qqmlengine.cpp:950
#18 0x00007f006e3e2a79 in QQmlEngine::~QQmlEngine (this=0x2405430, __in_chrg=<optimized out>) at qml/qqmlengine.cpp:972
#19 0x00007f006fd24ad5 in QObjectPrivate::deleteChildren (this=this@entry=0x2aec230) at kernel/qobject.cpp:1970
#20 0x00007f006fd25a19 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1041
#21 0x00007f0070c36185 in QWindow::~QWindow (this=0x2405110, __in_chrg=<optimized out>) at kernel/qwindow.cpp:209
#22 0x00007f006e73dd04 in QQuickWindow::~QQuickWindow (this=0x2405110, __in_chrg=<optimized out>) at items/qquickwindow.cpp:1229
#23 0x00007f006e7ecf09 in QQuickView::~QQuickView (this=0x2405110, __in_chrg=<optimized out>) at items/qquickview.cpp:211
#24 0x00007f0071191265 in QWindowContainer::~QWindowContainer (this=0x2d6eb90, __in_chrg=<optimized out>) at kernel/qwindowcontainer.cpp:241
#25 0x00007f0071191289 in QWindowContainer::~QWindowContainer (this=0x2d6eb90, __in_chrg=<optimized out>) at kernel/qwindowcontainer.cpp:242
#26 0x00007f006fd24ad5 in QObjectPrivate::deleteChildren (this=this@entry=0x23b69a0) at kernel/qobject.cpp:1970
#27 0x00007f007116f884 in QWidget::~QWidget (this=0x42c2a10, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#28 0x00007f007116fb59 in QWidget::~QWidget (this=0x42c2a10, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1714
#29 0x00007f006fd24ad5 in QObjectPrivate::deleteChildren (this=this@entry=0x2a327b0) at kernel/qobject.cpp:1970
#30 0x00007f007116f884 in QWidget::~QWidget (this=0x1815600, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#31 0x00007f007116fb59 in QWidget::~QWidget (this=0x1815600, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1714
#32 0x00007f006fd24ad5 in QObjectPrivate::deleteChildren (this=this@entry=0x691bc70) at kernel/qobject.cpp:1970
#33 0x00007f007116f884 in QWidget::~QWidget (this=0x2dbdf10, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#34 0x00007f00712bb039 in QStackedWidget::~QStackedWidget (this=0x2dbdf10, __in_chrg=<optimized out>) at widgets/qstackedwidget.cpp:149
#35 0x00007f006fd24ad5 in QObjectPrivate::deleteChildren (this=this@entry=0x2a32a50) at kernel/qobject.cpp:1970
#36 0x00007f007116f884 in QWidget::~QWidget (this=0x2ce4ea0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#37 0x00007f00712c7b39 in QTabWidget::~QTabWidget (this=0x2ce4ea0, __in_chrg=<optimized out>) at widgets/qtabwidget.cpp:363
#38 0x00007f006fd24ad5 in QObjectPrivate::deleteChildren (this=this@entry=0x23b6770) at kernel/qobject.cpp:1970
#39 0x00007f007116f884 in QWidget::~QWidget (this=0x2cecae0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#40 0x00007f00101310ee in KDecoration2::Configuration::ConfigurationForm::~ConfigurationForm (this=0x2cecae0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-plasma/kwin-5.9.1/work/kwin-5.9.1/kcmkwin/kwindecoration/kcm.h:41
#41 KDecoration2::Configuration::ConfigurationForm::~ConfigurationForm (this=0x2cecae0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-plasma/kwin-5.9.1/work/kwin-5.9.1/kcmkwin/kwindecoration/kcm.h:41
#42 0x00007f006fd24ad5 in QObjectPrivate::deleteChildren (this=this@entry=0x2ca3360) at kernel/qobject.cpp:1970
#43 0x00007f007116f884 in QWidget::~QWidget (this=0x441fcf0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#44 0x00007f0071e1239d in KCModule::~KCModule (this=0x441fcf0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-frameworks/kconfigwidgets-5.30.0/work/kconfigwidgets-5.30.0/src/kcmodule.cpp:177
#45 0x00007f001012d9b1 in KDecoration2::Configuration::ConfigurationModule::~ConfigurationModule (this=0x441fcf0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-plasma/kwin-5.9.1/work/kwin-5.9.1/kcmkwin/kwindecoration/kcm.h:47
#46 KDecoration2::Configuration::ConfigurationModule::~ConfigurationModule (this=0x441fcf0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-plasma/kwin-5.9.1/work/kwin-5.9.1/kcmkwin/kwindecoration/kcm.h:47
#47 0x00007f00727fa7f4 in KCModuleProxy::deleteClient (this=this@entry=0x440e8a0) at /var/tmp/portage/kde-frameworks/kcmutils-5.30.0/work/kcmutils-5.30.0/src/kcmoduleproxy.cpp:217
#48 0x00007f00727fa89a in KCModuleProxy::~KCModuleProxy (this=0x440e8a0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-frameworks/kcmutils-5.30.0/work/kcmutils-5.30.0/src/kcmoduleproxy.cpp:208
#49 0x00007f00727faa39 in KCModuleProxy::~KCModuleProxy (this=0x440e8a0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-frameworks/kcmutils-5.30.0/work/kcmutils-5.30.0/src/kcmoduleproxy.cpp:212
#50 0x00007f006fd24ad5 in QObjectPrivate::deleteChildren (this=this@entry=0x4335490) at kernel/qobject.cpp:1970
#51 0x00007f007116f884 in QWidget::~QWidget (this=0x5cc5330, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#52 0x00007f007116fb59 in QWidget::~QWidget (this=0x5cc5330, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1714
#53 0x00007f006fd24ad5 in QObjectPrivate::deleteChildren (this=this@entry=0x5cb5a10) at kernel/qobject.cpp:1970
#54 0x00007f007116f884 in QWidget::~QWidget (this=0x2a58560, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#55 0x00007f00712e5989 in QScrollArea::~QScrollArea (this=0x2a58560, __in_chrg=<optimized out>) at widgets/qscrollarea.cpp:174
#56 0x00007f0071727b23 in KPageWidgetItem::Private::~Private (this=0x440e7b0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-frameworks/kwidgetsaddons-5.30.0/work/kwidgetsaddons-5.30.0/src/kpagewidgetmodel.cpp:40
#57 KPageWidgetItem::~KPageWidgetItem (this=0x41cd9d0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-frameworks/kwidgetsaddons-5.30.0/work/kwidgetsaddons-5.30.0/src/kpagewidgetmodel.cpp:86
#58 0x00007f0071727bf9 in KPageWidgetItem::~KPageWidgetItem (this=0x41cd9d0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-frameworks/kwidgetsaddons-5.30.0/work/kwidgetsaddons-5.30.0/src/kpagewidgetmodel.cpp:87
#59 0x00007f007172864b in PageItem::~PageItem (this=0x1c40400, __in_chrg=<optimized out>) at /var/tmp/portage/kde-frameworks/kwidgetsaddons-5.30.0/work/kwidgetsaddons-5.30.0/src/kpagewidgetmodel.cpp:176
#60 0x00007f007172926e in KPageWidgetModel::removePage (this=0x172a770, item=<optimized out>) at /var/tmp/portage/kde-frameworks/kwidgetsaddons-5.30.0/work/kwidgetsaddons-5.30.0/src/kpagewidgetmodel.cpp:537
#61 0x00007f0071727677 in KPageWidget::removePage (this=<optimized out>, item=<optimized out>) at /var/tmp/portage/kde-frameworks/kwidgetsaddons-5.30.0/work/kwidgetsaddons-5.30.0/src/kpagewidget.cpp:120
#62 0x00007f0072a36dc5 in ModuleView::closeModules (this=0x1757d80) at /var/tmp/portage/kde-plasma/systemsettings-5.9.1/work/systemsettings-5.9.1/core/ModuleView.cpp:275
#63 0x00007f005025b30e in IconMode::backToOverview (this=0x172d0b0) at /var/tmp/portage/kde-plasma/systemsettings-5.9.1/work/systemsettings-5.9.1/icons/IconMode.cpp:156
#64 0x00007f006fd1dec7 in QMetaObject::activate (sender=sender@entry=0x1437b30, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fff93fda800) at kernel/qobject.cpp:3740
#65 0x00007f006fd1e847 in QMetaObject::activate (sender=sender@entry=0x1437b30, m=m@entry=0x7f0071604740 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fff93fda800) at kernel/qobject.cpp:3602
#66 0x00007f0071126712 in QAction::triggered (this=this@entry=0x1437b30, _t1=false) at .moc/moc_qaction.cpp:369
#67 0x00007f0071129060 in QAction::activate (this=0x1437b30, event=<optimized out>) at kernel/qaction.cpp:1170
#68 0x00007f0071215630 in QAbstractButtonPrivate::click (this=0x17b58c0) at widgets/qabstractbutton.cpp:393
#69 0x00007f0071215764 in QAbstractButton::mouseReleaseEvent (this=0x17b5570, e=0x7fff93fdad10) at widgets/qabstractbutton.cpp:1009
#70 0x00007f00712dfdda in QToolButton::mouseReleaseEvent (this=<optimized out>, e=<optimized out>) at widgets/qtoolbutton.cpp:616
#71 0x00007f0071173ef8 in QWidget::event (this=0x17b5570, event=event@entry=0x7fff93fdad10) at kernel/qwidget.cpp:9161
#72 0x00007f0071216113 in QAbstractButton::event (this=this@entry=0x17b5570, e=e@entry=0x7fff93fdad10) at widgets/qabstractbutton.cpp:966
#73 0x00007f00712dfeb9 in QToolButton::event (this=0x17b5570, event=0x7fff93fdad10) at widgets/qtoolbutton.cpp:982
#74 0x00007f007112d04c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x17b5570, e=0x7fff93fdad10) at kernel/qapplication.cpp:3799
#75 0x00007f0071135295 in QApplication::notify (this=<optimized out>, receiver=0x17b5570, e=0x7fff93fdad10) at kernel/qapplication.cpp:3273
#76 0x00007f006fcf7b4a in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x17b5570, event=event@entry=0x7fff93fdad10) at kernel/qcoreapplication.cpp:988
#77 0x00007f0071133fbf in QCoreApplication::sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#78 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x17b5570, event=event@entry=0x7fff93fdad10, alienWidget=alienWidget@entry=0x17b5570, nativeWidget=0x136a670, buttonDown=buttonDown@entry=0x7f007162f580 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:2771
#79 0x00007f007118e145 in QWidgetWindow::handleMouseEvent (this=this@entry=0x259f120, event=event@entry=0x7fff93fdb130) at kernel/qwidgetwindow.cpp:617
#80 0x00007f0071190b13 in QWidgetWindow::event (this=0x259f120, event=0x7fff93fdb130) at kernel/qwidgetwindow.cpp:239
#81 0x00007f007112d04c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x259f120, e=0x7fff93fdb130) at kernel/qapplication.cpp:3799
#82 0x00007f00711349f6 in QApplication::notify (this=0x7fff93fdb600, receiver=0x259f120, e=0x7fff93fdb130) at kernel/qapplication.cpp:3556
#83 0x00007f006fcf7b4a in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x259f120, event=event@entry=0x7fff93fdb130) at kernel/qcoreapplication.cpp:988
#84 0x00007f0070c2bcbb in QCoreApplication::sendSpontaneousEvent (event=0x7fff93fdb130, receiver=0x259f120) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#85 QGuiApplicationPrivate::processMouseEvent (e=0x3322bc0) at kernel/qguiapplication.cpp:1903
#86 0x00007f0070c2db65 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x3322bc0) at kernel/qguiapplication.cpp:1687
#87 0x00007f0070c0ea8b in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:659
#88 0x00007f00633c43e0 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:76
#89 0x00007f006a9174e7 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#90 0x00007f006a917740 in ?? () from /usr/lib64/libglib-2.0.so.0
#91 0x00007f006a9177ec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#92 0x00007f006fd44e0f in QEventDispatcherGlib::processEvents (this=0x12afe20, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#93 0x00007f006fcf6b0a in QEventLoop::exec (this=this@entry=0x7fff93fdb4e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#94 0x00007f006fcfe50c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1261
#95 0x00007f0070c2388c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1633
#96 0x00007f007112cfa5 in QApplication::exec () at kernel/qapplication.cpp:2975
#97 0x000000000040c1f0 in main (argc=1, argv=<optimized out>) at /var/tmp/portage/kde-plasma/systemsettings-5.9.1/work/systemsettings-5.9.1/app/main.cpp:56

Possible duplicates by query: bug 374837, bug 374648, bug 374534.

Reported using DrKonqi