Bug 354399

Application: systemsettings5 (5.4.1)
 (Compiled from sources)
Qt Version: 5.4.2
Operating System: Linux 4.2.0-16-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
- What I was doing when the application crashed: I opened deco kde and every time I get the message.Error're beginning the instalation.Error comes only when I want to switch deco, I open settings then deco and then crash

-- Backtrace:
Application: Systemeinstellungen (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f11cf31b800 (LWP 6528))]

Thread 5 (Thread 0x7f11bc0c2700 (LWP 6529)):
#0  0x00007f11cba5e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f11c973cbd2 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f11c973e74f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f11beea3a39 in QXcbEventReader::run (this=0x187fe00) at qxcbconnection.cpp:1105
#4  0x00007f11cc15d2be in QThreadPrivate::start (arg=0x187fe00) at thread/qthread_unix.cpp:337
#5  0x00007f11c8eb26aa in start_thread (arg=0x7f11bc0c2700) at pthread_create.c:333
#6  0x00007f11cba69eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f11ac7b3700 (LWP 6531)):
#0  0x00007f11cba5e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f11c898d1ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f11c898d2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f11cc39429b in QEventDispatcherGlib::processEvents (this=0x7f11a40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f11cc33a75a in QEventLoop::exec (this=this@entry=0x7f11ac7b2da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f11cc1583d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f11caabff85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f11cc15d2be in QThreadPrivate::start (arg=0x1ebf610) at thread/qthread_unix.cpp:337
#8  0x00007f11c8eb26aa in start_thread (arg=0x7f11ac7b3700) at pthread_create.c:333
#9  0x00007f11cba69eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f11a8e4a700 (LWP 6532)):
#0  0x00007f11cba5e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f11c898d1ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f11c898d2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f11cc39429b in QEventDispatcherGlib::processEvents (this=0x7f119c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f11cc33a75a in QEventLoop::exec (this=this@entry=0x7f11a8e49da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f11cc1583d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f11caabff85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f11cc15d2be in QThreadPrivate::start (arg=0x2406330) at thread/qthread_unix.cpp:337
#8  0x00007f11c8eb26aa in start_thread (arg=0x7f11a8e4a700) at pthread_create.c:333
#9  0x00007f11cba69eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f11a27e2700 (LWP 6533)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f11cc15e55b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x23e6940) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2745dc0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f11cad7fb3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f11cad803c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f11cc15d2be in QThreadPrivate::start (arg=0x2745d40) at thread/qthread_unix.cpp:337
#6  0x00007f11c8eb26aa in start_thread (arg=0x7f11a27e2700) at pthread_create.c:333
#7  0x00007f11cba69eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f11cf31b800 (LWP 6528)):
[KCrash Handler]
#6  0x00007f11989d7750 in ?? ()
#7  0x00007f11ad056941 in KDecoration2::Decoration::update(QRect const&) () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#8  0x00007f11ad0569bb in KDecoration2::Decoration::update() () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#9  0x00007f11a9129b0d in Breeze::Decoration::setOpacity (this=this@entry=0x2358e50, value=<optimized out>) at ../../kdecoration/breezedecoration.cpp:98
#10 0x00007f11a91462b8 in Breeze::Decoration::qt_metacall (this=0x2358e50, _c=QMetaObject::WriteProperty, _id=0, _a=0x7ffc3b328c10) at moc_breezedecoration.cpp:150
#11 0x00007f11cc13e30a in QPropertyAnimationPrivate::updateProperty (newValue=..., this=0x239a8a0) at animation/qpropertyanimation.cpp:135
#12 QPropertyAnimation::updateCurrentValue (this=<optimized out>, value=...) at animation/qpropertyanimation.cpp:242
#13 0x00007f11cc13a318 in QVariantAnimationPrivate::setCurrentValueForProgress (this=this@entry=0x239a8a0, progress=progress@entry=0.96444444444444444) at animation/qvariantanimation.cpp:290
#14 0x00007f11cc13aa17 in QVariantAnimationPrivate::recalculateCurrentInterval (this=0x239a8a0, force=<optimized out>) at animation/qvariantanimation.cpp:275
#15 0x00007f11cc13742f in QAbstractAnimation::setCurrentTime (this=0x239a250, msecs=130) at animation/qabstractanimation.cpp:1321
#16 0x00007f11cc13772d in QAnimationTimer::updateAnimationsTime (delta=20, this=0x1a016d0) at animation/qabstractanimation.cpp:606
#17 QUnifiedTimer::updateAnimationTimers (this=0x1b0a5b0) at animation/qabstractanimation.cpp:323
#18 0x00007f11cc13837c in QAnimationDriver::advanceAnimation (this=<optimized out>, timeStep=-1) at animation/qabstractanimation.cpp:820
#19 0x00007f11cad604bf in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f11cad7cf94 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f11cad7f32f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f11cad7f93b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007f11cd2337c5 in QWindow::event (this=0x1eb3380, ev=<optimized out>) at kernel/qwindow.cpp:2058
#24 0x00007f11cadaffd3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007f11cd7dcb8c in QApplicationPrivate::notify_helper (this=this@entry=0x1851ca0, receiver=receiver@entry=0x1eb3380, e=e@entry=0x7ffc3b329340) at kernel/qapplication.cpp:3720
#26 0x00007f11cd7e2230 in QApplication::notify (this=0x7ffc3b329720, receiver=0x1eb3380, e=0x7ffc3b329340) at kernel/qapplication.cpp:3503
#27 0x00007f11cc33cf1b in QCoreApplication::notifyInternal (this=0x7ffc3b329720, receiver=receiver@entry=0x1eb3380, event=event@entry=0x7ffc3b329340) at kernel/qcoreapplication.cpp:935
#28 0x00007f11cd22c336 in QCoreApplication::sendSpontaneousEvent (event=0x7ffc3b329340, receiver=0x1eb3380) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 QGuiApplicationPrivate::processExposeEvent (e=0x23154a0) at kernel/qguiapplication.cpp:2616
#30 0x00007f11cd22d07d in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x23154a0) at kernel/qguiapplication.cpp:1638
#31 0x00007f11cd2125b8 in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#32 0x00007f11beed0250 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#33 0x00007f11c898cff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f11c898d250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f11c898d2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f11cc39427f in QEventDispatcherGlib::processEvents (this=0x18c6c40, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#37 0x00007f11cc33a75a in QEventLoop::exec (this=this@entry=0x7ffc3b329600, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#38 0x00007f11cc3422cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#39 0x00007f11cd22300c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#40 0x00007f11cd7d9025 in QApplication::exec () at kernel/qapplication.cpp:2956
#41 0x000000000040f04b in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:55

Possible duplicates by query: bug 353416, bug 353046, bug 352995, bug 352793, bug 352486.

Reported using DrKonqi