Application: plasma-desktop (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.5
Operating System: Linux 3.11.7-200.fc19.x86_64 x86_64
Distribution: "Fedora release 19 (Schrödinger’s Cat)"

-- Information about the crash:
- What I was doing when the application crashed:
Using Spotify Linux Preview and it stopped responding and KDE crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma-työpöytäkuori (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f072d5a68c0 (LWP 1464))]

Thread 3 (Thread 0x7f071edb4700 (LWP 1465)):
#0  0x0000003f9620b565 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000003fa03860bb in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib64/libQtScript.so.4
#2  0x0000003fa03860f9 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib64/libQtScript.so.4
#3  0x0000003f96207c53 in start_thread () from /lib64/libpthread.so.0
#4  0x0000003f95af5dbd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f0694eed700 (LWP 1466)):
#0  0x0000003f95aeb7fd in poll () from /lib64/libc.so.6
#1  0x0000003f97a480f4 in g_main_context_iterate.isra.22 () from /lib64/libglib-2.0.so.0
#2  0x0000003f97a481fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x0000003f9afa7166 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#4  0x0000003f9af78ecf in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#5  0x0000003f9af791c5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#6  0x0000003f9ae7866f in QThread::exec() () from /lib64/libQtCore.so.4
#7  0x0000003f9af5a733 in QInotifyFileSystemWatcherEngine::run() () from /lib64/libQtCore.so.4
#8  0x0000003f9ae7ad0f in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#9  0x0000003f96207c53 in start_thread () from /lib64/libpthread.so.0
#10 0x0000003f95af5dbd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f072d5a68c0 (LWP 1464)):
[KCrash Handler]
#5  0x0000003f9af96f90 in QTimer::start(int) () from /lib64/libQtCore.so.4
#6  0x00007f069d9c3813 in MouseEventListener::sceneEventFilter(QGraphicsItem*, QEvent*) () from /usr/lib64/kde4/imports/org/kde/qtextracomponents/libqtextracomponentsplugin.so
#7  0x0000003f9f18d425 in QGraphicsScenePrivate::filterDescendantEvent(QGraphicsItem*, QEvent*) () from /lib64/libQtGui.so.4
#8  0x0000003f9f191a8e in QGraphicsScenePrivate::sendEvent(QGraphicsItem*, QEvent*) () from /lib64/libQtGui.so.4
#9  0x0000003f9f191f8f in QGraphicsScenePrivate::sendMouseEvent(QGraphicsSceneMouseEvent*) () from /lib64/libQtGui.so.4
#10 0x0000003f9f19d766 in QGraphicsScenePrivate::mousePressEventHandler(QGraphicsSceneMouseEvent*) () from /lib64/libQtGui.so.4
#11 0x0000003f9f19dbf9 in QGraphicsScene::mousePressEvent(QGraphicsSceneMouseEvent*) () from /lib64/libQtGui.so.4
#12 0x0000003f9f1a6a80 in QGraphicsScene::event(QEvent*) () from /lib64/libQtGui.so.4
#13 0x0000003f9ebc84dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#14 0x0000003f9ebceaa0 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#15 0x0000003c6983fe9a in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#16 0x0000003f9af7a26d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#17 0x0000003f9f1bd4af in QGraphicsView::mousePressEvent(QMouseEvent*) () from /lib64/libQtGui.so.4
#18 0x0000003f9ec17991 in QWidget::event(QEvent*) () from /lib64/libQtGui.so.4
#19 0x0000003f9efb3cde in QFrame::event(QEvent*) () from /lib64/libQtGui.so.4
#20 0x0000003f9f1be209 in QGraphicsView::viewportEvent(QEvent*) () from /lib64/libQtGui.so.4
#21 0x0000003f9af7a3d6 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#22 0x0000003f9ebc84bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#23 0x0000003f9ebcebdd in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#24 0x0000003c6983fe9a in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#25 0x0000003f9af7a26d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#26 0x0000003f9ebce393 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /lib64/libQtGui.so.4
#27 0x0000003f9ec3f92b in QETWidget::translateMouseEvent(_XEvent const*) () from /lib64/libQtGui.so.4
#28 0x0000003f9ec3e39c in QApplication::x11ProcessEvent(_XEvent*) () from /lib64/libQtGui.so.4
#29 0x0000003f9ec64e54 in x11EventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQtGui.so.4
#30 0x0000003f97a47e06 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#31 0x0000003f97a48158 in g_main_context_iterate.isra.22 () from /lib64/libglib-2.0.so.0
#32 0x0000003f97a481fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#33 0x0000003f9afa7145 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#34 0x0000003f9ec64fc6 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtGui.so.4
#35 0x0000003f9af78ecf in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#36 0x0000003f9af791c5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#37 0x0000003f9af7e45b in QCoreApplication::exec() () from /lib64/libQtCore.so.4
#38 0x0000003be003c40c in kdemain () from /lib64/libkdeinit4_plasma-desktop.so
#39 0x0000003f95a21b45 in __libc_start_main () from /lib64/libc.so.6
#40 0x0000000000400971 in _start ()

Possible duplicates by query: bug 326941, bug 325880, bug 325604, bug 325079.

Reported using DrKonqi