Bug 352793

Application: systemsettings5 (5.3.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-28-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- Custom settings of the application:
I used qt5ct to set Qt5 Style for application, but then I uninstalled it

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 0x7ffb1854e780 (LWP 2587))]

Thread 4 (Thread 0x7ffb07aad700 (LWP 2588)):
#0  0x00007ffb14caa8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffb12fbeb72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ffb12fc064f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007ffb09ff8099 in QXcbEventReader::run (this=0x74d1c0) at qxcbconnection.cpp:1105
#4  0x00007ffb1532bb0e in QThreadPrivate::start (arg=0x74d1c0) at thread/qthread_unix.cpp:337
#5  0x00007ffb11edc6aa in start_thread (arg=0x7ffb07aad700) at pthread_create.c:333
#6  0x00007ffb14cb5eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7ffaf7761700 (LWP 2590)):
#0  0x00007ffb14ca649d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffb11a012f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffb119bd96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffb119bde60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffb119bdfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffb155c2c6c in QEventDispatcherGlib::processEvents (this=0x7ffaf00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007ffb155673e2 in QEventLoop::exec (this=this@entry=0x7ffaf7760e20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007ffb15326b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007ffb142f0f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007ffb1532bb0e in QThreadPrivate::start (arg=0x113b980) at thread/qthread_unix.cpp:337
#10 0x00007ffb11edc6aa in start_thread (arg=0x7ffaf7761700) at pthread_create.c:333
#11 0x00007ffb14cb5eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7ffaeffff700 (LWP 2591)):
#0  0x00007ffb14ca649d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffb11a012f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffb119bd96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffb119bde60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffb119bdfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffb155c2c6c in QEventDispatcherGlib::processEvents (this=0x7ffae80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007ffb155673e2 in QEventLoop::exec (this=this@entry=0x7ffaefffee20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007ffb15326b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007ffb142f0f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007ffb1532bb0e in QThreadPrivate::start (arg=0x15b24a0) at thread/qthread_unix.cpp:337
#10 0x00007ffb11edc6aa in start_thread (arg=0x7ffaeffff700) at pthread_create.c:333
#11 0x00007ffb14cb5eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7ffb1854e780 (LWP 2587)):
[KCrash Handler]
#6  0x00000000014dc3a0 in ?? ()
#7  0x00007ffaf7e58901 in KDecoration2::Decoration::update(QRect const&) () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#8  0x00007ffaf7e5897b in KDecoration2::Decoration::update() () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#9  0x00007ffaf456ca40 in Breeze::Decoration::setOpacity (this=this@entry=0x1522790, value=<optimized out>) at ../../kdecoration/breezedecoration.cpp:96
#10 0x00007ffaf458e478 in Breeze::Decoration::qt_metacall (this=0x1522790, _c=QMetaObject::WriteProperty, _id=0, _a=0x7fffc54e68c0) at moc_breezedecoration.cpp:150
#11 0x00007ffb1530c5ca in updateProperty (newValue=..., this=0x153e080) at animation/qpropertyanimation.cpp:135
#12 QPropertyAnimation::updateCurrentValue (this=<optimized out>, value=...) at animation/qpropertyanimation.cpp:242
#13 0x00007ffb15307f48 in QVariantAnimationPrivate::setCurrentValueForProgress (this=this@entry=0x153e080, progress=progress@entry=0.99431111111111115) at animation/qvariantanimation.cpp:290
#14 0x00007ffb15308d1b in recalculateCurrentInterval (force=false, this=0x153e080) at animation/qvariantanimation.cpp:275
#15 QVariantAnimation::updateCurrentTime (this=<optimized out>) at animation/qvariantanimation.cpp:693
#16 0x00007ffb15304baf in QAbstractAnimation::setCurrentTime (this=0x153caa0, msecs=142) at animation/qabstractanimation.cpp:1321
#17 0x00007ffb15304e96 in updateAnimationsTime (delta=8, this=0x898af0) at animation/qabstractanimation.cpp:606
#18 QUnifiedTimer::updateAnimationTimers (this=0xe786a0) at animation/qabstractanimation.cpp:323
#19 0x00007ffb1432ba5e in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007ffb13e48dac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007ffb13ea3244 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007ffb13e51ea3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007ffb13dafdd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#24 0x00007ffb13db41ae in QQuickItem::setWidth(double) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007ffb13dc0be6 in QQuickItem::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#26 0x00007ffb1426aba7 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 0x00007ffb142df51c in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007ffb142dfc7e in QQmlBinding::expressionChanged(QQmlJavaScriptExpression*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007ffb142b9497 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007ffb142b945e in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007ffb1425610c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007ffb1559a141 in QMetaObject::activate (sender=0x12e70a0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3603
#33 0x00007ffb13dafe39 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#34 0x00007ffb13e47edc in QQuickFlickable::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#35 0x00007ffb13db4c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#36 0x00007ffb13daaa8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#37 0x00007ffb13dac9a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#38 0x00007ffb13dafdd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#39 0x00007ffb13db4c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#40 0x00007ffb13daaa8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#41 0x00007ffb13dac9a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#42 0x00007ffb13dafdd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#43 0x00007ffb13db4c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#44 0x00007ffb13daaa8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#45 0x00007ffb13dac9a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#46 0x00007ffb13dafdd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#47 0x00007ffb13db4c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#48 0x00007ffb13daaa8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#49 0x00007ffb13dac9a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#50 0x00007ffb13dafdd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#51 0x00007ffb13db4c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#52 0x00007ffb13daaa8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#53 0x00007ffb13dac9a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#54 0x00007ffb13dafdd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#55 0x00007ffb13db4c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#56 0x00007ffaf65df798 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#57 0x00007ffb16078186 in QGridLayoutEngine::setGeometries (this=0x12d2268, contentsGeometry=..., styleInfo=<optimized out>) at util/qgridlayoutengine.cpp:1015
#58 0x00007ffaf65def0f in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#59 0x00007ffaf65df4c7 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#60 0x00007ffb13db4c60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#61 0x00007ffb13daaa8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#62 0x00007ffb13dac9a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#63 0x00007ffb13dafdd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#64 0x00007ffb13db44fe in QQuickItem::setHeight(double) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#65 0x00007ffb13e7ad8f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#66 0x00007ffb13e7c442 in QQuickView::resizeEvent(QResizeEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#67 0x00007ffb15da47b5 in QWindow::event (this=0x113d2f0, ev=<optimized out>) at kernel/qwindow.cpp:2051
#68 0x00007ffb13dd3dd3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#69 0x00007ffb16358b2c in QApplicationPrivate::notify_helper (this=0x734b10, receiver=0x113d2f0, e=0x7fffc54e82d0) at kernel/qapplication.cpp:3720
#70 0x00007ffb1635e000 in QApplication::notify (this=0x7fffc54e86d0, receiver=0x113d2f0, e=0x7fffc54e82d0) at kernel/qapplication.cpp:3503
#71 0x00007ffb15569c2b in QCoreApplication::notifyInternal (this=0x7fffc54e86d0, receiver=receiver@entry=0x113d2f0, event=event@entry=0x7fffc54e82d0) at kernel/qcoreapplication.cpp:935
#72 0x00007ffb15d9cf41 in sendSpontaneousEvent (event=0x7fffc54e82d0, receiver=0x113d2f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#73 QGuiApplicationPrivate::processExposeEvent (e=0x11f9570) at kernel/qguiapplication.cpp:2602
#74 0x00007ffb15d9dbbd in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x11f9570) at kernel/qguiapplication.cpp:1638
#75 0x00007ffb15d8234f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#76 0x00007ffb0a022590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#77 0x00007ffb119bdc3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#78 0x00007ffb119bdf20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#79 0x00007ffb119bdfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#80 0x00007ffb155c2c57 in QEventDispatcherGlib::processEvents (this=0x781de0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#81 0x00007ffb155673e2 in QEventLoop::exec (this=this@entry=0x7fffc54e85b0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#82 0x00007ffb1556f02c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#83 0x00007ffb15d9331c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#84 0x00007ffb163547a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#85 0x000000000040ef6b in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:55

Possible duplicates by query: bug 352486, bug 352169, bug 352079, bug 352032, bug 351903.

Reported using DrKonqi