Application: systemsettings5 (5.3.0)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-16-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
Decorazione delle finestre

The crash can be reproduced every time.

-- Backtrace:
Application: Impostazioni di sistema (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7eff3a886780 (LWP 4619))]

Thread 6 (Thread 0x7eff2a005700 (LWP 4620)):
#0  0x00007eff36ff28dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007eff3530cb72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007eff3530e64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007eff2c550099 in QXcbEventReader::run (this=0x14d3b00) at qxcbconnection.cpp:1105
#4  0x00007eff37673b0e in QThreadPrivate::start (arg=0x14d3b00) at thread/qthread_unix.cpp:337
#5  0x00007eff342266aa in start_thread (arg=0x7eff2a005700) at pthread_create.c:333
#6  0x00007eff36ffdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7eff1a9e2700 (LWP 4621)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007eff1da1f4fb in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007eff1da1ec87 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007eff342266aa in start_thread (arg=0x7eff1a9e2700) at pthread_create.c:333
#4  0x00007eff36ffdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7eff1649d700 (LWP 4622)):
#0  0x00007eff33d4c7a2 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007eff33d07e76 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007eff33d08242 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007eff169a5ae6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007eff33d2e955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007eff342266aa in start_thread (arg=0x7eff1649d700) at pthread_create.c:333
#6  0x00007eff36ffdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7eff15a8e700 (LWP 4642)):
#0  0x00007eff36fee49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007eff33d4b2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007eff33d0796c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007eff33d07e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007eff33d07fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007eff3790ac6c in QEventDispatcherGlib::processEvents (this=0x7eff0804faa0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007eff378af3e2 in QEventLoop::exec (this=this@entry=0x7eff15a8de20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007eff3766eb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007eff36639f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007eff37673b0e in QThreadPrivate::start (arg=0x19d4810) at thread/qthread_unix.cpp:337
#10 0x00007eff342266aa in start_thread (arg=0x7eff15a8e700) at pthread_create.c:333
#11 0x00007eff36ffdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7eff0cac6700 (LWP 4643)):
#0  0x00007eff33d04ec7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007eff33d0739b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007eff33d07de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007eff33d07fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007eff3790ac6c in QEventDispatcherGlib::processEvents (this=0x7eff040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007eff378af3e2 in QEventLoop::exec (this=this@entry=0x7eff0cac5e20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007eff3766eb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007eff36639f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007eff37673b0e in QThreadPrivate::start (arg=0x1b5a3b0) at thread/qthread_unix.cpp:337
#9  0x00007eff342266aa in start_thread (arg=0x7eff0cac6700) at pthread_create.c:333
#10 0x00007eff36ffdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7eff3a886780 (LWP 4619)):
[KCrash Handler]
#6  0x00007eff143048a7 in KDecoration2::Decoration::update(QRect const&) () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#7  0x00007eff1430494b in KDecoration2::Decoration::update() () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#8  0x00007eff0cd859e0 in Breeze::Decoration::setOpacity (this=this@entry=0x262d2e0, value=<optimized out>) at ../../kdecoration/breezedecoration.cpp:96
#9  0x00007eff0cda7148 in Breeze::Decoration::qt_metacall (this=0x262d2e0, _c=QMetaObject::WriteProperty, _id=0, _a=0x7ffd76b99440) at moc_breezedecoration.cpp:150
#10 0x00007eff376545ca in updateProperty (newValue=..., this=0x1cac810) at animation/qpropertyanimation.cpp:135
#11 QPropertyAnimation::updateCurrentValue (this=<optimized out>, value=...) at animation/qpropertyanimation.cpp:242
#12 0x00007eff3764ff48 in QVariantAnimationPrivate::setCurrentValueForProgress (this=this@entry=0x1cac810, progress=progress@entry=0) at animation/qvariantanimation.cpp:290
#13 0x00007eff37650d1b in recalculateCurrentInterval (force=false, this=0x1cac810) at animation/qvariantanimation.cpp:275
#14 QVariantAnimation::updateCurrentTime (this=<optimized out>) at animation/qvariantanimation.cpp:693
#15 0x00007eff3764cbaf in QAbstractAnimation::setCurrentTime (this=0x264dea0, msecs=0) at animation/qabstractanimation.cpp:1321
#16 0x00007eff3764ce96 in updateAnimationsTime (delta=194, this=0x15e42c0) at animation/qabstractanimation.cpp:606
#17 QUnifiedTimer::updateAnimationTimers (this=0x175af60) at animation/qabstractanimation.cpp:323
#18 0x00007eff36674a5e in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007eff36191dac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007eff361ec244 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007eff3619aea3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007eff360f8dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007eff360fd1ae in QQuickItem::setWidth(double) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#24 0x00007eff36109be6 in QQuickItem::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007eff365b3ba7 in QQmlPropertyPrivate::writeBinding(QObject*, QQmlPropertyData const&, QQmlContextData*, QQmlJavaScriptExpression*, QV4::ValueRef, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#26 0x00007eff3662851c in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#27 0x00007eff36628c7e in QQmlBinding::expressionChanged(QQmlJavaScriptExpression*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007eff36602497 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007eff3660245e in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007eff3659f10c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007eff378e2141 in QMetaObject::activate (sender=0x238dcb0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3603
#32 0x00007eff360f8e39 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#33 0x00007eff36190edc in QQuickFlickable::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#34 0x00007eff360fdc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#35 0x00007eff360f3a8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#36 0x00007eff360f59a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#37 0x00007eff360f8dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#38 0x00007eff360fdc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#39 0x00007eff360f3a8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#40 0x00007eff360f59a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#41 0x00007eff360f8dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#42 0x00007eff360fdc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#43 0x00007eff360f3a8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#44 0x00007eff360f59a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#45 0x00007eff360f8dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#46 0x00007eff360fdc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#47 0x00007eff360f3a8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#48 0x00007eff360f59a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#49 0x00007eff360f8dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#50 0x00007eff360fdc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#51 0x00007eff360f3a8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#52 0x00007eff360f59a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#53 0x00007eff360f8dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#54 0x00007eff360fdc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#55 0x00007eff147f2798 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#56 0x00007eff383bd186 in QGridLayoutEngine::setGeometries (this=0x259e1b8, contentsGeometry=..., styleInfo=<optimized out>) at util/qgridlayoutengine.cpp:1015
#57 0x00007eff147f1f0f in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#58 0x00007eff147f24c7 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#59 0x00007eff360fdc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#60 0x00007eff360f3a8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#61 0x00007eff360f59a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#62 0x00007eff360f8dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#63 0x00007eff360fd4fe in QQuickItem::setHeight(double) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#64 0x00007eff361c3d8f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#65 0x00007eff361c5442 in QQuickView::resizeEvent(QResizeEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#66 0x00007eff380e97b5 in QWindow::event (this=0x235ff10, ev=<optimized out>) at kernel/qwindow.cpp:2051
#67 0x00007eff3611cdd3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#68 0x00007eff3869db2c in QApplicationPrivate::notify_helper (this=0x14b8b10, receiver=0x235ff10, e=0x7ffd76b9ae50) at kernel/qapplication.cpp:3720
#69 0x00007eff386a3000 in QApplication::notify (this=0x7ffd76b9b250, receiver=0x235ff10, e=0x7ffd76b9ae50) at kernel/qapplication.cpp:3503
#70 0x00007eff378b1c2b in QCoreApplication::notifyInternal (this=0x7ffd76b9b250, receiver=receiver@entry=0x235ff10, event=event@entry=0x7ffd76b9ae50) at kernel/qcoreapplication.cpp:935
#71 0x00007eff380e1f41 in sendSpontaneousEvent (event=0x7ffd76b9ae50, receiver=0x235ff10) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#72 QGuiApplicationPrivate::processExposeEvent (e=0x1ce40f0) at kernel/qguiapplication.cpp:2602
#73 0x00007eff380e2bbd in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x1ce40f0) at kernel/qguiapplication.cpp:1638
#74 0x00007eff380c734f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#75 0x00007eff2c57a590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#76 0x00007eff33d07c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#77 0x00007eff33d07f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#78 0x00007eff33d07fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#79 0x00007eff3790ac57 in QEventDispatcherGlib::processEvents (this=0x14ffef0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#80 0x00007eff378af3e2 in QEventLoop::exec (this=this@entry=0x7ffd76b9b130, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#81 0x00007eff378b702c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#82 0x00007eff380d831c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#83 0x00007eff386997a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#84 0x000000000040ef5b in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:55

Reported using DrKonqi