Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-22-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed: trying to change windows decoration on sistem configuration

The crash can be reproduced every time.

-- Backtrace:
Application: Configurações do Sistema (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff24f000780 (LWP 2041))]

Thread 5 (Thread 0x7ff23c8dc700 (LWP 2042)):
#0  0x00007ff24b76a8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff249a84b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ff249a8664f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007ff23f696099 in QXcbEventReader::run (this=0x256c1e0) at qxcbconnection.cpp:1105
#4  0x00007ff24bdebb0e in QThreadPrivate::start (arg=0x256c1e0) at thread/qthread_unix.cpp:337
#5  0x00007ff24899e6aa in start_thread (arg=0x7ff23c8dc700) at pthread_create.c:333
#6  0x00007ff24b775eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7ff22ce22700 (LWP 2043)):
#0  0x00007ff24b76a8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff24847febc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff24847ffcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff24c082c6c in QEventDispatcherGlib::processEvents (this=0x7ff2280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007ff24c0273e2 in QEventLoop::exec (this=this@entry=0x7ff22ce21e20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007ff24bde6b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007ff24adb1f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ff24bdebb0e in QThreadPrivate::start (arg=0x2d63b70) at thread/qthread_unix.cpp:337
#8  0x00007ff24899e6aa in start_thread (arg=0x7ff22ce22700) at pthread_create.c:333
#9  0x00007ff24b775eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7ff2253a1700 (LWP 2044)):
#0  0x00007ff24b76649d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff2448f2f45 in ?? () from /usr/lib/nvidia-340/tls/libnvidia-tls.so.340.76
#2  0x00007ff2484c32f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff24847f96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff24847fe60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff24847ffcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ff24c082c6c in QEventDispatcherGlib::processEvents (this=0x7ff2200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007ff24c0273e2 in QEventLoop::exec (this=this@entry=0x7ff2253a0e20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007ff24bde6b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007ff24adb1f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007ff24bdebb0e in QThreadPrivate::start (arg=0x305a4d0) at thread/qthread_unix.cpp:337
#11 0x00007ff24899e6aa in start_thread (arg=0x7ff2253a1700) at pthread_create.c:333
#12 0x00007ff24b775eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7ff21edde700 (LWP 2045)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff24bdecc6b in wait (time=18446744073709551615, this=0x39053d0) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x31a10f0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007ff24a85dfab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007ff24a85e3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007ff24bdebb0e in QThreadPrivate::start (arg=0x31a1070) at thread/qthread_unix.cpp:337
#6  0x00007ff24899e6aa in start_thread (arg=0x7ff21edde700) at pthread_create.c:333
#7  0x00007ff24b775eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7ff24f000780 (LWP 2041)):
[KCrash Handler]
#6  0x00007ff22d5406de in KDecoration2::Decoration::update(QRect const&) () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#7  0x00007ff22d54075b in KDecoration2::Decoration::update() () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#8  0x00007ff22565e370 in Breeze::Decoration::setOpacity (this=this@entry=0x30026d0, value=<optimized out>) at ../../kdecoration/breezedecoration.cpp:92
#9  0x00007ff22567e7a8 in Breeze::Decoration::qt_metacall (this=0x30026d0, _c=QMetaObject::WriteProperty, _id=0, _a=0x7ffd3be7b130) at moc_breezedecoration.cpp:146
#10 0x00007ff24bdcc5ca in updateProperty (newValue=..., this=0x3014c50) at animation/qpropertyanimation.cpp:135
#11 QPropertyAnimation::updateCurrentValue (this=<optimized out>, value=...) at animation/qpropertyanimation.cpp:242
#12 0x00007ff24bdc7f48 in QVariantAnimationPrivate::setCurrentValueForProgress (this=this@entry=0x3014c50, progress=progress@entry=0.67999999999999994) at animation/qvariantanimation.cpp:290
#13 0x00007ff24bdc8d1b in recalculateCurrentInterval (force=false, this=0x3014c50) at animation/qvariantanimation.cpp:275
#14 QVariantAnimation::updateCurrentTime (this=<optimized out>) at animation/qvariantanimation.cpp:693
#15 0x00007ff24bdc4baf in QAbstractAnimation::setCurrentTime (this=0x301f9a0, msecs=30) at animation/qabstractanimation.cpp:1321
#16 0x00007ff24bdc4e96 in updateAnimationsTime (delta=20, this=0x26e2c00) at animation/qabstractanimation.cpp:606
#17 QUnifiedTimer::updateAnimationTimers (this=0x27f6a50) at animation/qabstractanimation.cpp:323
#18 0x00007ff24bdc57dc in QAnimationDriver::advanceAnimation (this=<optimized out>, timeStep=-1) at animation/qabstractanimation.cpp:820
#19 0x00007ff24a8421ee in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007ff24a86068a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007ff24a862a8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007ff24a86330a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007ff24c8617b5 in QWindow::event (this=0x2b98270, ev=<optimized out>) at kernel/qwindow.cpp:2051
#24 0x00007ff24a894dd3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007ff24ce15b2c in QApplicationPrivate::notify_helper (this=0x253f430, receiver=0x2b98270, e=0x7ffd3be7b890) at kernel/qapplication.cpp:3720
#26 0x00007ff24ce1b000 in QApplication::notify (this=0x7ffd3be7bc90, receiver=0x2b98270, e=0x7ffd3be7b890) at kernel/qapplication.cpp:3503
#27 0x00007ff24c029c2b in QCoreApplication::notifyInternal (this=0x7ffd3be7bc90, receiver=receiver@entry=0x2b98270, event=event@entry=0x7ffd3be7b890) at kernel/qcoreapplication.cpp:935
#28 0x00007ff24c859e86 in sendSpontaneousEvent (event=0x7ffd3be7b890, receiver=0x2b98270) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 QGuiApplicationPrivate::processExposeEvent (e=0x304cae0) at kernel/qguiapplication.cpp:2613
#30 0x00007ff24c85abbd in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x304cae0) at kernel/qguiapplication.cpp:1638
#31 0x00007ff24c83f34f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#32 0x00007ff23f6c0590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#33 0x00007ff24847fc3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007ff24847ff20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007ff24847ffcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007ff24c082c57 in QEventDispatcherGlib::processEvents (this=0x25aacd0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#37 0x00007ff24c0273e2 in QEventLoop::exec (this=this@entry=0x7ffd3be7bb70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#38 0x00007ff24c02f02c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#39 0x00007ff24c85031c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#40 0x00007ff24ce117a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#41 0x000000000040eebc in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:54

Reported using DrKonqi