https://bugs.kde.org/show_bug.cgi?id=429023
Bug ID: 429023 Summary: Crash in systemsettings Product: systemsettings Version: 5.20.2 Platform: openSUSE RPMs OS: Linux Status: REPORTED Keywords: drkonqi Severity: crash Priority: NOR Component: general Assignee: plasma-b...@kde.org Reporter: guente...@arcor.de Target Milestone: --- Application: systemsettings5 (5.20.2) Qt Version: 5.15.1 Frameworks Version: 5.75.0 Operating System: Linux 5.9.1-2-default x86_64 Windowing system: X11 Distribution: "openSUSE Tumbleweed" -- Information about the crash: - What I was doing when the application crashed: I set up Plasma Look&Feel trying to get back my "Task bar". This was on the console after the crash: ###### Cyclic dependency detected between "file:///usr/lib64/qt5/qml/org/kde/kirigami.2/styles/org.kde.desktop.plasma/Units.qml" and "file:///usr/lib64/qt5/qml/org/kde/kirigami.2/styles/org.kde.desktop.plasma/Units.qml" file:///usr/share/kpackage/kcms/kcm_kscreen/contents/ui/Panel.qml:137:13: Unable to assign [undefined] to int file:///usr/lib64/qt5/qml/org/kde/kirigami.2/ActionToolBar.qml:141:21: QML PrivateActionToolButton: Binding loop detected for property "checkable" org.kde.plasma.dataengine.geolocation: gpsd not found "location" file:///usr/lib64/qt5/qml/org/kde/kirigami.2/private/globaltoolbar/PageRowGlobalToolBarUI.qml:65:9: QML RowLayout (parent or ancestor of QQuickLayoutAttached): Binding loop detected for property "maximumWidth" file:///usr/lib64/qt5/qml/org/kde/kirigami.2/private/globaltoolbar/PageRowGlobalToolBarUI.qml:65:9: QML RowLayout (parent or ancestor of QQuickLayoutAttached): Binding loop detected for property "maximumWidth" file:///usr/lib64/qt5/qml/org/kde/kirigami.2/private/globaltoolbar/PageRowGlobalToolBarUI.qml:65:9: QML RowLayout (parent or ancestor of QQuickLayoutAttached): Binding loop detected for property "maximumWidth" Cyclic dependency detected between "file:///usr/lib64/qt5/qml/org/kde/kirigami.2/styles/org.kde.desktop.plasma/Units.qml" and "file:///usr/lib64/qt5/qml/org/kde/kirigami.2/styles/org.kde.desktop.plasma/Units.qml" KCrash: Application 'systemsettings5' crashing... KCrash: Attempting to start /usr/lib64/libexec/drkonqi QSocketNotifier: Invalid socket 7 and type 'Read', disabling... QSocketNotifier: Invalid socket 15 and type 'Read', disabling... QSocketNotifier: Invalid socket 21 and type 'Read', disabling... QSocketNotifier: Invalid socket 11 and type 'Read', disabling... ###### -- Backtrace: Application: System Settings (systemsettings5), signal: Segmentation fault [New LWP 25510] [New LWP 25511] [New LWP 25512] [New LWP 25513] [New LWP 25514] [New LWP 25538] [New LWP 25539] [New LWP 25540] [New LWP 25548] [New LWP 25549] [New LWP 25550] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". 0x00007fe7d040ea6f in poll () from /lib64/libc.so.6 [Current thread is 1 (Thread 0x7fe7cdb26840 (LWP 25508))] Thread 12 (Thread 0x7fe77affd640 (LWP 25550)): #0 0x00007fe7d040ea6f in poll () at /lib64/libc.so.6 #1 0x00007fe7ce5ecfbe in () at /usr/lib64/libglib-2.0.so.0 #2 0x00007fe7ce5ed0df in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0 #3 0x00007fe7d09eda9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fe76c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #4 0x00007fe7d0994eeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fe77affccc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #5 0x00007fe7d07b5c9e in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #6 0x00007fe7d07b6de1 in QThreadPrivate::start(void*) (arg=0x56095056a1d0) at thread/qthread_unix.cpp:329 #7 0x00007fe7cefba3e9 in start_thread () at /lib64/libpthread.so.0 #8 0x00007fe7d0419b73 in clone () at /lib64/libc.so.6 Thread 11 (Thread 0x7fe77b7fe640 (LWP 25549)): #0 0x00007fe7d040a48c in read () at /lib64/libc.so.6 #1 0x00007fe7ce6393ff in () at /usr/lib64/libglib-2.0.so.0 #2 0x00007fe7ce5ecb0e in g_main_context_check () at /usr/lib64/libglib-2.0.so.0 #3 0x00007fe7ce5ecf65 in () at /usr/lib64/libglib-2.0.so.0 #4 0x00007fe7ce5ed31b in g_main_loop_run () at /usr/lib64/libglib-2.0.so.0 #5 0x00007fe795afe906 in () at /usr/lib64/libgio-2.0.so.0 #6 0x00007fe7ce6160ee in () at /usr/lib64/libglib-2.0.so.0 #7 0x00007fe7cefba3e9 in start_thread () at /lib64/libpthread.so.0 #8 0x00007fe7d0419b73 in clone () at /lib64/libc.so.6 Thread 10 (Thread 0x7fe77bfff640 (LWP 25548)): #0 0x00007fe7d040a48c in read () at /lib64/libc.so.6 #1 0x00007fe7ce6393ff in () at /usr/lib64/libglib-2.0.so.0 #2 0x00007fe7ce5ecb0e in g_main_context_check () at /usr/lib64/libglib-2.0.so.0 #3 0x00007fe7ce5ecf65 in () at /usr/lib64/libglib-2.0.so.0 #4 0x00007fe7ce5ed0df in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0 #5 0x00007fe7ce5ed131 in () at /usr/lib64/libglib-2.0.so.0 #6 0x00007fe7ce6160ee in () at /usr/lib64/libglib-2.0.so.0 #7 0x00007fe7cefba3e9 in start_thread () at /lib64/libpthread.so.0 #8 0x00007fe7d0419b73 in clone () at /lib64/libc.so.6 Thread 9 (Thread 0x7fe78affd640 (LWP 25540)): #0 0x00007fe7d041457d in syscall () at /lib64/libc.so.6 #1 0x00007fe7d07b9021 in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int) (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:133 #2 QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:135 #3 futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:219 #4 futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) (timeout=-1, n=<optimized out>, u=...) at thread/qsemaphore.cpp:262 #5 QSemaphore::acquire(int) (this=0x7fe7cf538900, n=<optimized out>) at thread/qsemaphore.cpp:326 #6 0x00007fe7cf4875a4 in () at /usr/lib64/libQt5Network.so.5 #7 0x00007fe7d07b6de1 in QThreadPrivate::start(void*) (arg=0x7fe7cf5388e0) at thread/qthread_unix.cpp:329 #8 0x00007fe7cefba3e9 in start_thread () at /lib64/libpthread.so.0 #9 0x00007fe7d0419b73 in clone () at /lib64/libc.so.6 Thread 8 (Thread 0x7fe78b7fe640 (LWP 25539)): #0 0x00007fe7d040a48c in read () at /lib64/libc.so.6 #1 0x00007fe7ce6393ff in () at /usr/lib64/libglib-2.0.so.0 #2 0x00007fe7ce5ecb0e in g_main_context_check () at /usr/lib64/libglib-2.0.so.0 #3 0x00007fe7ce5ecf65 in () at /usr/lib64/libglib-2.0.so.0 #4 0x00007fe7ce5ed0df in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0 #5 0x00007fe7d09eda9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fe77c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #6 0x00007fe7d0994eeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fe78b7fdcc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #7 0x00007fe7d07b5c9e in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #8 0x00007fe7d07b6de1 in QThreadPrivate::start(void*) (arg=0x560950a786a0) at thread/qthread_unix.cpp:329 #9 0x00007fe7cefba3e9 in start_thread () at /lib64/libpthread.so.0 #10 0x00007fe7d0419b73 in clone () at /lib64/libc.so.6 Thread 7 (Thread 0x7fe78bfff640 (LWP 25538)): #0 0x00007fe7d040a48c in read () at /lib64/libc.so.6 #1 0x00007fe7ce6393ff in () at /usr/lib64/libglib-2.0.so.0 #2 0x00007fe7ce5ecb0e in g_main_context_check () at /usr/lib64/libglib-2.0.so.0 #3 0x00007fe7ce5ecf65 in () at /usr/lib64/libglib-2.0.so.0 #4 0x00007fe7ce5ed0df in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0 #5 0x00007fe7d09eda9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fe784000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #6 0x00007fe7d0994eeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fe78bffecc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #7 0x00007fe7d07b5c9e in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #8 0x00007fe7d07b6de1 in QThreadPrivate::start(void*) (arg=0x5609506a0340) at thread/qthread_unix.cpp:329 #9 0x00007fe7cefba3e9 in start_thread () at /lib64/libpthread.so.0 #10 0x00007fe7d0419b73 in clone () at /lib64/libc.so.6 Thread 6 (Thread 0x7fe7c1988640 (LWP 25514)): #0 0x00007fe7cefc06b2 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007fe7c2e420ab in () at /usr/lib64/dri/nouveau_dri.so #2 0x00007fe7c2e41567 in () at /usr/lib64/dri/nouveau_dri.so #3 0x00007fe7cefba3e9 in start_thread () at /lib64/libpthread.so.0 #4 0x00007fe7d0419b73 in clone () at /lib64/libc.so.6 Thread 5 (Thread 0x7fe7c2189640 (LWP 25513)): #0 0x00007fe7cefc06b2 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007fe7c2e420ab in () at /usr/lib64/dri/nouveau_dri.so #2 0x00007fe7c2e41567 in () at /usr/lib64/dri/nouveau_dri.so #3 0x00007fe7cefba3e9 in start_thread () at /lib64/libpthread.so.0 #4 0x00007fe7d0419b73 in clone () at /lib64/libc.so.6 Thread 4 (Thread 0x7fe7c298a640 (LWP 25512)): #0 0x00007fe7cefc06b2 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007fe7c2e420ab in () at /usr/lib64/dri/nouveau_dri.so #2 0x00007fe7c2e41567 in () at /usr/lib64/dri/nouveau_dri.so #3 0x00007fe7cefba3e9 in start_thread () at /lib64/libpthread.so.0 #4 0x00007fe7d0419b73 in clone () at /lib64/libc.so.6 Thread 3 (Thread 0x7fe7c8f02640 (LWP 25511)): #0 0x00007fe7cefc06b2 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007fe7c2e420ab in () at /usr/lib64/dri/nouveau_dri.so #2 0x00007fe7c2e41567 in () at /usr/lib64/dri/nouveau_dri.so #3 0x00007fe7cefba3e9 in start_thread () at /lib64/libpthread.so.0 #4 0x00007fe7d0419b73 in clone () at /lib64/libc.so.6 Thread 2 (Thread 0x7fe7cab98640 (LWP 25510)): #0 0x00007ffc809f1758 in () #1 0x00007ffc809f1a27 in () #2 0x00007fe7d03e0985 in clock_gettime@GLIBC_2.2.5 () at /lib64/libc.so.6 #3 0x00007fe7d09ed391 in qt_clock_gettime (ts=0x7fe7cab979d0, clock=1) at kernel/qelapsedtimer_unix.cpp:175 #4 do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at kernel/qelapsedtimer_unix.cpp:166 #5 qt_gettime() () at kernel/qelapsedtimer_unix.cpp:175 #6 0x00007fe7d09ebc69 in QTimerInfoList::updateCurrentTime() (this=this@entry=0x7fe7bc004d50) at kernel/qtimerinfo_unix.cpp:91 #7 0x00007fe7d09ec245 in QTimerInfoList::timerWait(timespec&) (this=0x7fe7bc004d50, tm=...) at kernel/qtimerinfo_unix.cpp:388 #8 0x00007fe7d09ed7ee in timerSourcePrepareHelper (timeout=0x7fe7cab97aa4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:162 #9 timerSourcePrepare(GSource*, gint*) (source=<optimized out>, timeout=0x7fe7cab97aa4) at kernel/qeventdispatcher_glib.cpp:166 #10 0x00007fe7ce5ec4e2 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0 #11 0x00007fe7ce5eceeb in () at /usr/lib64/libglib-2.0.so.0 #12 0x00007fe7ce5ed0df in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0 #13 0x00007fe7d09eda9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fe7bc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #14 0x00007fe7d0994eeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fe7cab97c70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #15 0x00007fe7d07b5c9e in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #16 0x00007fe7cf6c37c7 in () at /usr/lib64/libQt5DBus.so.5 #17 0x00007fe7d07b6de1 in QThreadPrivate::start(void*) (arg=0x7fe7cf731420) at thread/qthread_unix.cpp:329 #18 0x00007fe7cefba3e9 in start_thread () at /lib64/libpthread.so.0 #19 0x00007fe7d0419b73 in clone () at /lib64/libc.so.6 Thread 1 (Thread 0x7fe7cdb26840 (LWP 25508)): [KCrash Handler] #4 0x00007fe7d0838190 in std::__atomic_base<int>::load(std::memory_order) const (__m=std::memory_order_relaxed, this=<optimized out>) at /usr/include/c++/10/bits/atomic_base.h:420 #5 QAtomicOps<int>::loadRelaxed<int>(std::atomic<int> const&) (_q_value=...) at ../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:239 #6 QBasicAtomicInteger<int>::loadRelaxed() const (this=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:107 #7 QtPrivate::RefCount::ref() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qrefcount.h:55 #8 QString::operator=(QString const&) (this=0x56094fcf4260, other=...) at text/qstring.cpp:2408 #9 0x000056094db8a98e in BaseConfig::setActiveView(QString const&) (v=...) at /usr/src/debug/systemsettings5-5.20.3-285.1.x86_64/build/app/BaseConfig.h:52 #10 BaseConfig::setActiveView(QString const&) (v=...) at /usr/src/debug/systemsettings5-5.20.3-285.1.x86_64/build/app/BaseConfig.h:49 #11 SettingsBase::configUpdated() (this=0x56094fa8af60) at /usr/src/debug/systemsettings5-5.20.3-285.1.x86_64/app/SettingsBase.cpp:295 #12 0x00007fe7d09ccb06 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffc8086f980, r=0x56094fa8af60, this=0x560952b3fb30) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398 #13 doActivate<false>(QObject*, int, void**) (sender=0x56095085cd80, signal_index=8, argv=0x7ffc8086f980, argv@entry=0x0) at kernel/qobject.cpp:3886 #14 0x00007fe7d09c5e60 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x56095085cd80, m=m@entry=0x7fe7d1b3f720, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3946 #15 0x00007fe7d182a953 in QDialog::accepted() (this=this@entry=0x56095085cd80) at .moc/moc_qdialog.cpp:236 #16 0x00007fe7d182ad98 in QDialogPrivate::finalize(int, int) (this=<optimized out>, resultCode=1, dialogCode=<optimized out>) at dialogs/qdialog.cpp:176 #17 0x00007fe7d09ccb06 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffc8086fa80, r=0x56095085cd80, this=0x56094fcd4860) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398 #18 doActivate<false>(QObject*, int, void**) (sender=0x5609519aae60, signal_index=8, argv=0x7ffc8086fa80, argv@entry=0x0) at kernel/qobject.cpp:3886 #19 0x00007fe7d09c5e60 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x5609519aae60, m=m@entry=0x7fe7d1b386a0 <QDialogButtonBox::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3946 #20 0x00007fe7d17c2a43 in QDialogButtonBox::accepted() (this=this@entry=0x5609519aae60) at .moc/moc_qdialogbuttonbox.cpp:287 #21 0x00007fe7d17c31c8 in QDialogButtonBoxPrivate::_q_handleButtonClicked() (this=<optimized out>) at widgets/qdialogbuttonbox.cpp:878 #22 0x00007fe7d09ccb40 in doActivate<false>(QObject*, int, void**) (sender=0x56095076a220, signal_index=9, argv=argv@entry=0x7ffc8086fc00) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395 #23 0x00007fe7d09c5e60 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x56095076a220, m=m@entry=0x7fe7d1b2f4e0 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffc8086fc00) at kernel/qobject.cpp:3946 #24 0x00007fe7d17201e2 in QAbstractButton::clicked(bool) (this=this@entry=0x56095076a220, _t1=<optimized out>) at .moc/moc_qabstractbutton.cpp:308 #25 0x00007fe7d1720b4a in QAbstractButtonPrivate::emitClicked() (this=this@entry=0x5609528abee0) at widgets/qabstractbutton.cpp:415 #26 0x00007fe7d172249f in QAbstractButtonPrivate::click() (this=this@entry=0x5609528abee0) at widgets/qabstractbutton.cpp:408 #27 0x00007fe7d1722671 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) (this=0x56095076a220, e=0x7ffc808701d0) at widgets/qabstractbutton.cpp:1044 #28 0x00007fe7d167334e in QWidget::event(QEvent*) (this=0x56095076a220, event=0x7ffc808701d0) at kernel/qwidget.cpp:9019 #29 0x00007fe7d16334ff in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x56094f90cbc0, receiver=receiver@entry=0x56095076a220, e=e@entry=0x7ffc808701d0) at kernel/qapplication.cpp:3630 #30 0x00007fe7d163a3eb in QApplication::notify(QObject*, QEvent*) (this=0x7ffc8086fed0, receiver=0x56095076a220, e=0x7ffc808701d0) at kernel/qapplication.cpp:3074 #31 0x00007fe7d099652a in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x56095076a220, event=0x7ffc808701d0) at ../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325 #32 0x00007fe7d1639416 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) (receiver=receiver@entry=0x56095076a220, event=event@entry=0x7ffc808701d0, alienWidget=alienWidget@entry=0x56095076a220, nativeWidget=0x56095085cd80, buttonDown=buttonDown@entry=0x7fe7d1b61670 <qt_button_down>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2614 #33 0x00007fe7d168b3b1 in QWidgetWindow::handleMouseEvent(QMouseEvent*) (this=0x56094fb72af0, event=0x7ffc80870490) at /usr/include/c++/10/bits/atomic_base.h:420 #34 0x00007fe7d168e8be in QWidgetWindow::event(QEvent*) (this=0x56094fb72af0, event=0x7ffc80870490) at kernel/qwidgetwindow.cpp:300 #35 0x00007fe7d16334ff in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x56094fb72af0, e=0x7ffc80870490) at kernel/qapplication.cpp:3630 #36 0x00007fe7d099652a in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x56094fb72af0, event=0x7ffc80870490) at ../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325 #37 0x00007fe7d0ef0adb in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) (e=0x56095028df00) at kernel/qguiapplication.cpp:2277 #38 0x00007fe7d0ec6c4b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1175 #39 0x00007fe7cbc20e0a in xcbSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at qxcbeventdispatcher.cpp:105 #40 0x00007fe7ce5ecca7 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0 #41 0x00007fe7ce5ed028 in () at /usr/lib64/libglib-2.0.so.0 #42 0x00007fe7ce5ed0df in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0 #43 0x00007fe7d09eda7f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x56094fa502c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #44 0x00007fe7d0994eeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffc808707c0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141 #45 0x00007fe7d099d160 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #46 0x000056094db82003 in main(int, char**) (argc=<optimized out>, argv=0x7ffc808708e0) at /usr/src/debug/systemsettings5-5.20.3-285.1.x86_64/app/main.cpp:209 [Inferior 1 (process 25508) detached] Possible duplicates by query: bug 427021, bug 425205, bug 422092, bug 421016, bug 420495. 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