Bug 356368

Summary:	System Settings Random Cashes
Product:	[Plasma] kwin	Reporter:	Peter Federighi <hemlock-solmes>
Component:	general	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	crash	Keywords:	drkonqi
Priority:	NOR
Version:	5.4.3
Target Milestone:	---
Platform:	openSUSE
OS:	Linux
See Also:	https://bugs.kde.org/show_bug.cgi?id=351763
Latest Commit:		Version Fixed In:

Description Peter Federighi 2015-12-07 17:33:51 UTC

Application: systemsettings5 (5.4.3)

Qt Version: 5.5.0
Operating System: Linux 4.1.12-1-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed: Clicking on a button or double clicking on an icon sometimes crashes the app.

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 0x7fe50e3cb780 (LWP 20535))]

Thread 6 (Thread 0x7fe4fbe55700 (LWP 20536)):
#0  0x00007fe50a12ac1d in poll () at /lib64/libc.so.6
#1  0x00007fe506f06422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007fe506f0800f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fe4fe1a9c29 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fe50a82155f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fe5066900a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe50a13304d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fe4e7656700 (LWP 20537)):
#0  0x00007fe50669405f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe4ee0aae53 in  () at /usr/lib64/dri/r600_dri.so
#2  0x00007fe4ee0aa5d7 in  () at /usr/lib64/dri/r600_dri.so
#3  0x00007fe5066900a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe50a13304d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fe4e406d700 (LWP 20542)):
#0  0x00007fe50a12ac1d in poll () at /lib64/libc.so.6
#1  0x00007fe506173e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe506173f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fe50aa52a5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe50a9f9a63 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fe50a81c84a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe508da75f8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fe50a82155f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fe5066900a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe50a13304d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fe4d259c700 (LWP 20543)):
#0  0x00007fe50a126ced in read () at /lib64/libc.so.6
#1  0x00007fe5061b4b60 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe506173999 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fe506173df8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fe506173f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fe50aa52a5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe50a9f9a63 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fe50a81c84a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007fe508da75f8 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007fe50a82155f in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007fe5066900a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007fe50a13304d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fe4d93ea700 (LWP 20611)):
#0  0x00007fe50a81ab8a in QMutex::lock() () at /usr/lib64/libQt5Core.so.5
#1  0x00007fe50aa52985 in  () at /usr/lib64/libQt5Core.so.5
#2  0x00007fe5061734ad in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fe506173d80 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fe506173f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fe50aa52a5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe50a9f9a63 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fe50a81c84a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007fe508da75f8 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007fe50a82155f in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007fe5066900a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007fe50a13304d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fe50e3cb780 (LWP 20535)):
[KCrash Handler]
#6  0x00007fe508cbdfea in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fe508c61cc3 in QV4::ExecutionEngine::newStringObject(QV4::Value const&) () at /usr/lib64/libQt5Qml.so.5
#8  0x00007fe508cfe8e1 in QV4::Runtime::getProperty(QV4::ExecutionEngine*, QV4::Value const&, int) () at /usr/lib64/libQt5Qml.so.5
#9  0x00007fe4da25e90d in  ()
#10 0x00007fe4c414d80c in  ()
#11 0x0000000000000003 in  ()
#12 0x00000000023d5050 in  ()
#13 0x00007fe508d10a69 in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Qml.so.5
#14 0x00007fe508d2a320 in QQmlPropertyPrivate::writeBinding(QObject*, QQmlPropertyData const&, QQmlContextData*, QQmlJavaScriptExpression*, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#15 0x000000000133ffe0 in  ()
#16 0x000000000000000a in  ()
#17 0x00007fe508d8ea1e in  () at /usr/lib64/libQt5Qml.so.5
#18 0x00007fe508d93fd1 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#19 0x00007fe508d945de in QQmlBinding::expressionChanged(QQmlJavaScriptExpression*) () at /usr/lib64/libQt5Qml.so.5
#20 0x00007fe508d70c9f in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#21 0x00007fe508d70c71 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#22 0x00007fe508d70c71 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#23 0x00007fe508d70c71 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#24 0x00007fe508d70c71 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#25 0x00007fe508d18414 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib64/libQt5Qml.so.5
#26 0x00007fe50aa2b213 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#27 0x00007fe508d10f9e in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Qml.so.5
#28 0x00007fe508d10777 in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Qml.so.5
#29 0x00007fe508d2908e in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#30 0x00007fe508d29dcf in QQmlPropertyPrivate::writeValueProperty(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#31 0x00007fe508d2ac04 in QQmlPropertyPrivate::writeBinding(QObject*, QQmlPropertyData const&, QQmlContextData*, QQmlJavaScriptExpression*, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#32 0x00007fe508d94053 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#33 0x00007fe508d945de in QQmlBinding::expressionChanged(QQmlJavaScriptExpression*) () at /usr/lib64/libQt5Qml.so.5
#34 0x00007fe508d70c9f in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#35 0x00007fe508d18414 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib64/libQt5Qml.so.5
#36 0x00007fe50aa2b213 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#37 0x00007fe50934011d in  () at /usr/lib64/libQt5Quick.so.5
#38 0x00007fe508d31352 in  () at /usr/lib64/libQt5Qml.so.5
#39 0x00007fe508d316ea in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) () at /usr/lib64/libQt5Qml.so.5
#40 0x00007fe508d2ce9c in QQmlComponent::create(QQmlIncubator&, QQmlContext*, QQmlContext*) () at /usr/lib64/libQt5Qml.so.5
#41 0x00007fe50933efda in  () at /usr/lib64/libQt5Quick.so.5
#42 0x00007fe50933f158 in  () at /usr/lib64/libQt5Quick.so.5
#43 0x00007fe508d9d88b in  () at /usr/lib64/libQt5Qml.so.5
#44 0x00007fe508d2c94b in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () at /usr/lib64/libQt5Qml.so.5
#45 0x00007fe508d2ca07 in QQmlComponentPrivate::completeCreate() () at /usr/lib64/libQt5Qml.so.5
#46 0x00007fe508d2c890 in QQmlComponent::create(QQmlContext*) () at /usr/lib64/libQt5Qml.so.5
#47 0x00007fe509345f74 in QQuickView::continueExecute() () at /usr/lib64/libQt5Quick.so.5
#48 0x00007fe5093463ad in  () at /usr/lib64/libQt5Quick.so.5
#49 0x00007fe4da62c059 in  () at /usr/lib64/qt5/plugins/kwincompositing.so
#50 0x00007fe4da62c36d in  () at /usr/lib64/qt5/plugins/kwincompositing.so
#51 0x00007fe4da632367 in  () at /usr/lib64/qt5/plugins/kwincompositing.so
#52 0x00007fe4da6336fd in  () at /usr/lib64/qt5/plugins/kwincompositing.so
#53 0x00007fe50ae8e660 in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () at /usr/lib64/libKF5CoreAddons.so.5
#54 0x00007fe50ddbfccc in KCModuleLoader::loadModule(KCModuleInfo const&, KCModuleLoader::ErrorReporting, QWidget*, QStringList const&) () at /usr/lib64/libKF5KCMUtils.so.5
#55 0x00007fe50ddc66ec in  () at /usr/lib64/libKF5KCMUtils.so.5
#56 0x00007fe50ddc7355 in KCModuleProxy::realModule() const () at /usr/lib64/libKF5KCMUtils.so.5
#57 0x00007fe50ddc7873 in KCModuleProxy::showEvent(QShowEvent*) () at /usr/lib64/libKF5KCMUtils.so.5
#58 0x00007fe50c55f4b2 in QWidget::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#59 0x00007fe50c51ee8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#60 0x00007fe50c523cd8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#61 0x00007fe50a9fbba5 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#62 0x00007fe50c55bd6b in QWidgetPrivate::show_helper() () at /usr/lib64/libQt5Widgets.so.5
#63 0x00007fe50c55bcaa in QWidgetPrivate::showChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#64 0x00007fe50c55bd2f in QWidgetPrivate::show_helper() () at /usr/lib64/libQt5Widgets.so.5
#65 0x00007fe50c55e717 in QWidget::setVisible(bool) () at /usr/lib64/libQt5Widgets.so.5
#66 0x00007fe50c55bcc0 in QWidgetPrivate::showChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#67 0x00007fe50c55bd2f in QWidgetPrivate::show_helper() () at /usr/lib64/libQt5Widgets.so.5
#68 0x00007fe50c55e717 in QWidget::setVisible(bool) () at /usr/lib64/libQt5Widgets.so.5
#69 0x00007fe50c54342f in QStackedLayout::setCurrentIndex(int) () at /usr/lib64/libQt5Widgets.so.5
#70 0x00007fe50c543624 in QStackedLayout::setCurrentWidget(QWidget*) () at /usr/lib64/libQt5Widgets.so.5
#71 0x00007fe50c6b1a41 in QStackedWidget::setCurrentWidget(QWidget*) () at /usr/lib64/libQt5Widgets.so.5
#72 0x00007fe50cd1fb54 in  () at /usr/lib64/libKF5WidgetsAddons.so.5
#73 0x00007fe50aa2b996 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#74 0x00007fe50a9b0677 in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () at /usr/lib64/libQt5Core.so.5
#75 0x00007fe50a9b67a0 in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () at /usr/lib64/libQt5Core.so.5
#76 0x00007fe50a9b76c5 in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib64/libQt5Core.so.5
#77 0x00007fe50c78dfd7 in QListView::setSelection(QRect const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib64/libQt5Widgets.so.5
#78 0x00007fe50c76d7ee in QAbstractItemView::mousePressEvent(QMouseEvent*) () at /usr/lib64/libQt5Widgets.so.5
#79 0x00007fe50c55f2ca in QWidget::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#80 0x00007fe50c6594de in QFrame::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#81 0x00007fe50c7744cb in QAbstractItemView::viewportEvent(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#82 0x00007fe50a9fbde3 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#83 0x00007fe50c51ee6c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#84 0x00007fe50c5242db in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#85 0x00007fe50a9fbba5 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#86 0x00007fe50c5231a1 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib64/libQt5Widgets.so.5
#87 0x00007fe50c57825b in  () at /usr/lib64/libQt5Widgets.so.5
#88 0x00007fe50c57a453 in  () at /usr/lib64/libQt5Widgets.so.5
#89 0x00007fe50c51ee8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#90 0x00007fe50c523cd8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#91 0x00007fe50a9fbba5 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#92 0x00007fe50bd8b3b4 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib64/libQt5Gui.so.5
#93 0x00007fe50bd8cbc5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib64/libQt5Gui.so.5
#94 0x00007fe50bd71d68 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Gui.so.5
#95 0x00007fe4fe1d4f20 in  () at /usr/lib64/libQt5XcbQpa.so.5
#96 0x00007fe506173c84 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#97 0x00007fe506173ed8 in  () at /usr/lib64/libglib-2.0.so.0
#98 0x00007fe506173f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#99 0x00007fe50aa52a3c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#100 0x00007fe50a9f9a63 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#101 0x00007fe50aa015d6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#102 0x00000000004103cf in main ()

Reported using DrKonqi

Comment 1 Thomas Lübking 2015-12-13 15:06:03 UTC

Lacks relevant debug symbols, but looks a hell lot like bug #351763 - what either means we set more root properties or the fix is a placebo.

Comment 2 Martin Flöser 2016-08-29 07:48:49 UTC

Assuming duplicate

*** This bug has been marked as a duplicate of bug 351763 ***