Bug 348498

Application: systemsettings5 (5.3.1)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-18-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- start SystemSettings
- select ApplicationStyle
- Click WindowDecorations

I have YosemityWhite installed and wan to get rid of. But I'm not getting far enough.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9f089ec780 (LWP 2023))]

Thread 4 (Thread 0x7f9ef7ff4700 (LWP 2024)):
#0  0x00007f9f0514e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9f03468b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f9f0346a64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9efa53f099 in QXcbEventReader::run (this=0x1d95540) at qxcbconnection.cpp:1105
#4  0x00007f9f057cfb0e in QThreadPrivate::start (arg=0x1d95540) at thread/qthread_unix.cpp:337
#5  0x00007f9f023826aa in start_thread (arg=0x7f9ef7ff4700) at pthread_create.c:333
#6  0x00007f9f05159eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f9ee7cb3700 (LWP 2025)):
#0  0x00007f9f0514e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9f01e63ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9f01e63fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9f05a66c57 in QEventDispatcherGlib::processEvents (this=0x7f9ee00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f9f05a0b3e2 in QEventLoop::exec (this=this@entry=0x7f9ee7cb2e20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9f057cab44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f9f04795f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9f057cfb0e in QThreadPrivate::start (arg=0x2791440) at thread/qthread_unix.cpp:337
#8  0x00007f9f023826aa in start_thread (arg=0x7f9ee7cb3700) at pthread_create.c:333
#9  0x00007f9f05159eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f9edffff700 (LWP 2026)):
#0  0x00007f9f0514e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9f01e63ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9f01e63fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9f05a66c57 in QEventDispatcherGlib::processEvents (this=0x7f9ed80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f9f05a0b3e2 in QEventLoop::exec (this=this@entry=0x7f9edfffee20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9f057cab44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f9f04795f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9f057cfb0e in QThreadPrivate::start (arg=0x2b49a70) at thread/qthread_unix.cpp:337
#8  0x00007f9f023826aa in start_thread (arg=0x7f9edffff700) at pthread_create.c:333
#9  0x00007f9f05159eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f9f089ec780 (LWP 2023)):
[KCrash Handler]
#6  0x0000000000000031 in ?? ()
#7  0x00007f9ee83858e1 in KDecoration2::Decoration::update(QRect const&) () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#8  0x00007f9ee838595b in KDecoration2::Decoration::update() () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#9  0x00007f9ee4ab7a40 in Breeze::Decoration::setOpacity (this=this@entry=0x2ac7f60, value=<optimized out>) at ../../kdecoration/breezedecoration.cpp:96
#10 0x00007f9ee4ad92f8 in Breeze::Decoration::qt_metacall (this=0x2ac7f60, _c=QMetaObject::WriteProperty, _id=0, _a=0x7ffd0a7812a0) at moc_breezedecoration.cpp:150
#11 0x00007f9f057b05ca in updateProperty (newValue=..., this=0x2aef850) at animation/qpropertyanimation.cpp:135
#12 QPropertyAnimation::updateCurrentValue (this=<optimized out>, value=...) at animation/qpropertyanimation.cpp:242
#13 0x00007f9f057abf48 in QVariantAnimationPrivate::setCurrentValueForProgress (this=this@entry=0x2aef850, progress=progress@entry=0.99564444444444444) at animation/qvariantanimation.cpp:290
#14 0x00007f9f057acd1b in recalculateCurrentInterval (force=false, this=0x2aef850) at animation/qvariantanimation.cpp:275
#15 QVariantAnimation::updateCurrentTime (this=<optimized out>) at animation/qvariantanimation.cpp:693
#16 0x00007f9f057a8baf in QAbstractAnimation::setCurrentTime (this=0x2af8330, msecs=143) at animation/qabstractanimation.cpp:1321
#17 0x00007f9f057a8e96 in updateAnimationsTime (delta=7, this=0x1ed0fd0) at animation/qabstractanimation.cpp:606
#18 QUnifiedTimer::updateAnimationTimers (this=0x24b47e0) at animation/qabstractanimation.cpp:323
#19 0x00007f9f047d0a5e in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007f9f042eddac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f9f04348244 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f9f042f6ea3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007f9f04254dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#24 0x00007f9f042591ae in QQuickItem::setWidth(double) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007f9f04265be6 in QQuickItem::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#26 0x00007f9f0470fba7 in QQmlPropertyPrivate::writeBinding(QObject*, QQmlPropertyData const&, QQmlContextData*, QQmlJavaScriptExpression*, QV4::ValueRef, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#27 0x00007f9f0478451c in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007f9f04784c7e in QQmlBinding::expressionChanged(QQmlJavaScriptExpression*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007f9f0475e497 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007f9f0475e45e in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007f9f0475e45e in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007f9f0475e45e in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#33 0x00007f9f046fb10c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#34 0x00007f9f05a3e141 in QMetaObject::activate (sender=0x2922830, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3603
#35 0x00007f9f04254e39 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#36 0x00007f9f042ecedc in QQuickFlickable::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#37 0x00007f9f04259c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#38 0x00007f9f0424fa8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#39 0x00007f9f042519a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#40 0x00007f9f04254dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#41 0x00007f9f04259c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#42 0x00007f9f0424fa8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#43 0x00007f9f042519a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#44 0x00007f9f04254dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#45 0x00007f9f04259c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#46 0x00007f9f0424fa8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#47 0x00007f9f042519a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#48 0x00007f9f04254dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#49 0x00007f9f04259c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#50 0x00007f9f0424fa8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#51 0x00007f9f042519a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#52 0x00007f9f04254dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#53 0x00007f9f04259c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#54 0x00007f9f0424fa8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#55 0x00007f9f042519a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#56 0x00007f9f04254dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#57 0x00007f9f04259c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#58 0x00007f9ee6b01798 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#59 0x00007f9f06519186 in QGridLayoutEngine::setGeometries (this=0x292f358, contentsGeometry=..., styleInfo=<optimized out>) at util/qgridlayoutengine.cpp:1015
#60 0x00007f9ee6b00f0f in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#61 0x00007f9ee6b014c7 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#62 0x00007f9f04259c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#63 0x00007f9f0424fa8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#64 0x00007f9f042519a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#65 0x00007f9f04254dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#66 0x00007f9f042594fe in QQuickItem::setHeight(double) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#67 0x00007f9f0431fd8f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#68 0x00007f9f04321442 in QQuickView::resizeEvent(QResizeEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#69 0x00007f9f062457b5 in QWindow::event (this=0x277ee40, ev=<optimized out>) at kernel/qwindow.cpp:2051
#70 0x00007f9f04278dd3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#71 0x00007f9f067f9b2c in QApplicationPrivate::notify_helper (this=0x1d7db10, receiver=0x277ee40, e=0x7ffd0a782d10) at kernel/qapplication.cpp:3720
#72 0x00007f9f067ff000 in QApplication::notify (this=0x7ffd0a783110, receiver=0x277ee40, e=0x7ffd0a782d10) at kernel/qapplication.cpp:3503
#73 0x00007f9f05a0dc2b in QCoreApplication::notifyInternal (this=0x7ffd0a783110, receiver=receiver@entry=0x277ee40, event=event@entry=0x7ffd0a782d10) at kernel/qcoreapplication.cpp:935
#74 0x00007f9f0623df41 in sendSpontaneousEvent (event=0x7ffd0a782d10, receiver=0x277ee40) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#75 QGuiApplicationPrivate::processExposeEvent (e=0x2b2a120) at kernel/qguiapplication.cpp:2602
#76 0x00007f9f0623ebbd in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x2b2a120) at kernel/qguiapplication.cpp:1638
#77 0x00007f9f0622334f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#78 0x00007f9efa569590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#79 0x00007f9f01e63c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#80 0x00007f9f01e63f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#81 0x00007f9f01e63fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#82 0x00007f9f05a66c57 in QEventDispatcherGlib::processEvents (this=0x1dd18e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#83 0x00007f9f05a0b3e2 in QEventLoop::exec (this=this@entry=0x7ffd0a782ff0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#84 0x00007f9f05a1302c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#85 0x00007f9f0623431c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#86 0x00007f9f067f57a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#87 0x000000000040ef6b in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:55

Reported using DrKonqi