Application: systemsettings5 (5.8.2)

Qt Version: 5.7.1
Frameworks Version: 5.27.0
Operating System: Linux 4.8.0-2-amd64 x86_64
Distribution: Debian GNU/Linux testing (stretch)

-- Information about the crash:
- What I was doing when the application crashed:
Changing the properties of window manager, changing themes and sometimes with system colors.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Preferencias del sistema (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f03f58db5c0 (LWP 2259))]

Thread 9 (Thread 0x7f03a53c9700 (LWP 2325)):
#0  0x00007f03f1ff81ff in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f03f1fe2562 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f03ed2e09f6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03ed2e0b0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03f29006fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f03f28aa07a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f03f26cc0d3 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f03f10525d5 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03f26d0d88 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f03ef1ee464 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007f03f1feb9df in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 8 (Thread 0x7f03b5646700 (LWP 2276)):
#0  0x00007f03f1fe256d in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f03ed2e09f6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03ed2e0b0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03f29006fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f03f28aa07a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f03f26cc0d3 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f03f26d0d88 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f03ef1ee464 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f03f1feb9df in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 7 (Thread 0x7f03b658e700 (LWP 2275)):
#0  0x00007f03ed325fe9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03ed2dfee9 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03ed2e091b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03ed2e0b0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03f29006fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f03f28aa07a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f03f26cc0d3 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f03f26d0d88 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f03ef1ee464 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f03f1feb9df in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7f03c4a22700 (LWP 2266)):
#0  0x00007f03f1fe256d in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f03ed2e09f6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03ed2e0b0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03f29006fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f03f28aa07a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f03f26cc0d3 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f03f10525d5 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03f26d0d88 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f03ef1ee464 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f03f1feb9df in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7f03c8140700 (LWP 2265)):
#0  0x00007f03ed2e01f3 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03ed2e0968 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03ed2e0b0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03f29006fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f03f28aa07a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f03f26cc0d3 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f03f10525d5 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03f26d0d88 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f03ef1ee464 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f03f1feb9df in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7f03d0bf7700 (LWP 2264)):
#0  0x00007f03ed326004 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03ed2e058a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03ed2e0a60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03ed2e0b0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03f29006fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f03f28aa07a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f03f26cc0d3 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f03f10525d5 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03f26d0d88 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f03ef1ee464 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007f03f1feb9df in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7f03db955700 (LWP 2262)):
#0  0x00007f03f1fe256d in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f03ed2e09f6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03ed2e0b0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03f29006fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f03f28aa07a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f03f26cc0d3 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f03f5a2e6d5 in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f03f26d0d88 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f03ef1ee464 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f03f1feb9df in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7f03e4395700 (LWP 2261)):
#0  0x00007f03f1fe256d in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f03efa68150 in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f03efa69ee9 in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f03e68f4b69 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f03f26d0d88 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f03ef1ee464 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f03f1feb9df in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7f03f58db5c0 (LWP 2259)):
[KCrash Handler]
#6  0x00007f03f0f24d85 in QV4::WeakValue::free() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03f0f95a82 in QV4::QObjectWrapper::destroyObject(bool) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03f0e2bdbf in QV4::MemoryManager::sweep(bool) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f03f0e2d1cc in QV4::MemoryManager::~MemoryManager() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f03f0f1469b in QV4::ExecutionEngine::~ExecutionEngine() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f03f1054086 in QV8Engine::~QV8Engine() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f03f10541a9 in QV8Engine::~QV8Engine() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f03f0eab9a6 in QJSEngine::~QJSEngine() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f03f0fbf90d in QQmlEngine::~QQmlEngine() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f03f0fbf9c9 in QQmlEngine::~QQmlEngine() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f03f28df82f in QObject::~QObject() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f03f1320084 in QQuickWindow::~QQuickWindow() () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007f03f13cfc19 in QQuickView::~QQuickView() () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f03f3dfaa55 in QWindowContainer::~QWindowContainer() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f03f3dfaa79 in QWindowContainer::~QWindowContainer() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f03f3dd8e19 in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f03f3dd8e19 in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f03f3f26609 in QStackedWidget::~QStackedWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f03f3f333d9 in QTabWidget::~QTabWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007f03a67190be in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_kwindecoration.so
#37 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007f03f4a7e2dd in KCModule::~KCModule() () from /lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5
#40 0x00007f03a6715981 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_kwindecoration.so
#41 0x00007f03f5464074 in KCModuleProxy::deleteClient() () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#42 0x00007f03f546411c in KCModuleProxy::~KCModuleProxy() () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#43 0x00007f03f54642d9 in KCModuleProxy::~KCModuleProxy() () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#44 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007f03f3dd8e19 in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#47 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#48 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#49 0x00007f03f3f51679 in QScrollArea::~QScrollArea() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#50 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#51 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#52 0x00007f03f43907ce in ?? () from /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#53 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#54 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#55 0x00007f03f4394989 in KPageWidget::~KPageWidget() () from /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#56 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#57 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#58 0x00007f03f569dff9 in ModuleView::~ModuleView() () from /lib/x86_64-linux-gnu/libsystemsettingsview.so.3
#59 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#60 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#61 0x00007f03f3f26609 in QStackedWidget::~QStackedWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#62 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#63 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#64 0x00007f03f3f26609 in QStackedWidget::~QStackedWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#65 0x00007f03f28d64b1 in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#66 0x00007f03f3dd8b2b in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#67 0x00007f03f51b2d7e in KMainWindow::~KMainWindow() () from /lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#68 0x000000000040ed8b in ?? ()
#69 0x000000000040ede9 in ?? ()
#70 0x00007f03f28d8b70 in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#71 0x00007f03f3ddd3cb in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#72 0x00007f03f3edc61b in QMainWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#73 0x00007f03f51b5267 in KMainWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#74 0x00007f03f51fa205 in KXmlGuiWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#75 0x00007f03f3d95b2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#76 0x00007f03f3d9d2e1 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#77 0x00007f03f28ac090 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#78 0x00007f03f28ae81d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#79 0x00007f03f29002d3 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#80 0x00007f03ed2e07f7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#81 0x00007f03ed2e0a60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#82 0x00007f03ed2e0b0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#83 0x00007f03f29006df in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#84 0x00007f03f28aa07a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#85 0x00007f03f28b27ec in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#86 0x000000000040c0d3 in ?? ()
#87 0x00007f03f1f232b1 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#88 0x000000000040c14a in _start ()

Possible duplicates by query: bug 373330, bug 373320, bug 373287, bug 373094, bug 372968.

Reported using DrKonqi