Application: kwin (4.11.4)
KDE Platform Version: 4.11.4
Qt Version: 4.8.5
Operating System: Linux 3.12.0-rc3+ x86_64
Distribution: "Fedora release 20 (Heisenbug)"

-- Information about the crash:
- What I was doing when the application crashed: I booted as normal into Fedora 20

- Unusual behavior I noticed: There wasn't any apparent unusaul behavior

- Custom settings of the application: There wasn't any.

The application crashed after I saw the desktop.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f06e0fea900 (LWP 1393))]

Thread 3 (Thread 0x7f06d5c2f700 (LWP 1406)):
[KCrash Handler]
#5  0x000000358eb87517 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQtCore.so.4
#6  0x00000033fd809a19 in KActivities::Consumer::listActivities() const () from /lib64/libkactivities.so.6
#7  0x0000003402f332a9 in KWin::fetchActivityListAndCurrent(KActivities::Controller*) () from /lib64/libkdeinit4_kwin.so
#8  0x0000003402f35e18 in QtConcurrent::StoredFunctorCall1<QPair<QString, QStringList>, QPair<QString, QStringList> (*)(KActivities::Controller*), KActivities::Controller*>::runFunctor() () from /lib64/libkdeinit4_kwin.so
#9  0x0000003402f38767 in QtConcurrent::RunFunctionTask<QPair<QString, QStringList> >::run() () from /lib64/libkdeinit4_kwin.so
#10 0x000000358ea6f89e in QThreadPoolThread::run() () from /lib64/libQtCore.so.4
#11 0x000000358ea7c3df in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#12 0x00000039cde07f33 in start_thread () from /lib64/libpthread.so.0
#13 0x00000039cd6f4ead in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f06cffff700 (LWP 1414)):
#0  0x00000039cde0bd20 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000359878f08b in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib64/libQtScript.so.4
#2  0x000000359878f0c9 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib64/libQtScript.so.4
#3  0x00000039cde07f33 in start_thread () from /lib64/libpthread.so.0
#4  0x00000039cd6f4ead in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f06e0fea900 (LWP 1393)):
#0  0x00000039cde0bd20 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000358ea7c906 in QWaitCondition::wait(QMutex*, unsigned long) () from /lib64/libQtCore.so.4
#2  0x000000358ea6f29a in QThreadPoolPrivate::waitForDone(int) () from /lib64/libQtCore.so.4
#3  0x000000358ea706a5 in QThreadPool::~QThreadPool() () from /lib64/libQtCore.so.4
#4  0x000000358ea706d9 in QThreadPool::~QThreadPool() () from /lib64/libQtCore.so.4
#5  0x000000358ea70d65 in QGlobalStaticDeleter<QThreadPool>::~QGlobalStaticDeleter() () from /lib64/libQtCore.so.4
#6  0x00000039cd6394e9 in __run_exit_handlers () from /lib64/libc.so.6
#7  0x00000039cd639535 in exit () from /lib64/libc.so.6
#8  0x0000003590834678 in qt_xio_errhandler () from /lib64/libQtGui.so.4
#9  0x00000033f9c493e0 in KApplication::xioErrhandler(_XDisplay*) () from /lib64/libkdeui.so.5
#10 0x000000337804515e in _XIOError () from /lib64/libX11.so.6
#11 0x00000033780432d3 in _XReply () from /lib64/libX11.so.6
#12 0x0000003378030185 in XListProperties () from /lib64/libX11.so.6
#13 0x00000034023e678c in Plasma::WindowEffects::isEffectAvailable(Plasma::WindowEffects::Effect) () from /lib64/libplasma.so.3
#14 0x00000034023d2e9a in Plasma::ThemePrivate::findInTheme(QString const&, QString const&, bool) () from /lib64/libplasma.so.3
#15 0x00000034023d347d in Plasma::Theme::imagePath(QString const&) const () from /lib64/libplasma.so.3
#16 0x00000034023cf3cc in Plasma::SvgPrivate::elementRect(QString const&) () from /lib64/libplasma.so.3
#17 0x00000034023cf65e in Plasma::SvgPrivate::checkColorHints() () from /lib64/libplasma.so.3
#18 0x00000034023cfd2e in Plasma::SvgPrivate::setImagePath(QString const&) () from /lib64/libplasma.so.3
#19 0x00000034023614d6 in Plasma::FrameSvg::setImagePath(QString const&) () from /lib64/libplasma.so.3
#20 0x0000003402ef1c93 in KWin::EffectFrameImpl::EffectFrameImpl(KWin::EffectFrameStyle, bool, QPoint, QFlags<Qt::AlignmentFlag>) () from /lib64/libkdeinit4_kwin.so
#21 0x0000003402ef1e69 in KWin::EffectsHandlerImpl::effectFrame(KWin::EffectFrameStyle, bool, QPoint const&, QFlags<Qt::AlignmentFlag>) const () from /lib64/libkdeinit4_kwin.so
#22 0x00007f06cf589f5a in KWin::WindowGeometry::WindowGeometry() () from /usr/lib64/kde4/kwin4_effect_builtins.so
#23 0x00007f06cf58a156 in effect_create_kwin4_effect_windowgeometry () from /usr/lib64/kde4/kwin4_effect_builtins.so
#24 0x0000003402ef64fc in KWin::EffectsHandlerImpl::loadEffect(QString const&, bool) () from /lib64/libkdeinit4_kwin.so
#25 0x0000003402ef6f87 in KWin::EffectsHandlerImpl::slotEffectsQueried() () from /lib64/libkdeinit4_kwin.so
#26 0x0000003402e4cff5 in KWin::EffectsHandlerImpl::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.21] () from /lib64/libkdeinit4_kwin.so
#27 0x000000358eb98fa8 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#28 0x000000358ea6c890 in QFutureWatcherBase::event(QEvent*) () from /lib64/libQtCore.so.4
#29 0x00000035907c9dfc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#30 0x00000035907d0795 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#31 0x00000033f9c4a9ca in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#32 0x000000358eb845ed in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#33 0x000000358eb876e7 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQtCore.so.4
#34 0x000000359086c53c in QEventDispatcherX11::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtGui.so.4
#35 0x000000358eb8312f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#36 0x000000358eb8347d in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#37 0x000000358eb889bb in QCoreApplication::exec() () from /lib64/libQtCore.so.4
#38 0x0000003402e7e541 in kdemain () from /lib64/libkdeinit4_kwin.so
#39 0x00000039cd621d65 in __libc_start_main () from /lib64/libc.so.6
#40 0x0000000000400a01 in _start ()

Possible duplicates by query: bug 327740, bug 325584, bug 321873, bug 318617, bug 318423.

Reported using DrKonqi