Application: plasma-desktop (4.11.15)
KDE Platform Version: 4.14.4
Qt Version: 4.8.6
Operating System: Linux 3.18.6-200.fc21.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
comp was 2-3 hpurs outside docking station, after that it was attached to dock.a

- Unusual behavior I noticed:
plasma desktop freezes in 15:01(see by the clock widget on the desktop)

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f62a3430900 (LWP 2376))]

Thread 3 (Thread 0x7f6288e96700 (LWP 2377)):
#0  0x0000003e5660c590 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000349a19745a in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib64/libQtScript.so.4
#2  0x000000349a197489 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib64/libQtScript.so.4
#3  0x0000003e5660752a in start_thread () from /lib64/libpthread.so.0
#4  0x0000003e5630079d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f6205e09700 (LWP 2381)):
#0  0x0000003e562f51fd in poll () from /lib64/libc.so.6
#1  0x0000003e59249e24 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x0000003e59249f3c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x000000348bdb4a3e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#4  0x000000348bd84261 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#5  0x000000348bd845c5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#6  0x000000348bc79b59 in QThread::exec() () from /lib64/libQtCore.so.4
#7  0x000000348bd64cc3 in QInotifyFileSystemWatcherEngine::run() () from /lib64/libQtCore.so.4
#8  0x000000348bc7c3bf in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#9  0x0000003e5660752a in start_thread () from /lib64/libpthread.so.0
#10 0x0000003e5630079d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f62a3430900 (LWP 2376)):
[KCrash Handler]
#5  0x00007f628b33f154 in agiName(TaskManager::AbstractGroupableItem*) () from /usr/lib64/kde4/plasma_applet_icontasks.so
#6  0x00007f628b34137e in TaskGroupItem::matchingItem(TaskManager::AbstractGroupableItem*) () from /usr/lib64/kde4/plasma_applet_icontasks.so
#7  0x00007f628b33c959 in AbstractTaskItem::paint(QPainter*, QStyleOptionGraphicsItem const*, QWidget*) () from /usr/lib64/kde4/plasma_applet_icontasks.so
#8  0x000000348ddcc7ba in _q_paintItem(QGraphicsItem*, QPainter*, QStyleOptionGraphicsItem const*, QWidget*, bool, bool) () from /lib64/libQtGui.so.4
#9  0x000000348dde05e5 in QGraphicsScenePrivate::drawItemHelper(QGraphicsItem*, QPainter*, QStyleOptionGraphicsItem const*, QWidget*, bool) () from /lib64/libQtGui.so.4
#10 0x000000348dde29f4 in QGraphicsScenePrivate::draw(QGraphicsItem*, QPainter*, QTransform const*, QTransform const*, QRegion*, QWidget*, double, QTransform const*, bool, bool) () from /lib64/libQtGui.so.4
#11 0x000000348dde34a7 in QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem*, QPainter*, QTransform const*, QRegion*, QWidget*, double, QTransform const*) () from /lib64/libQtGui.so.4
#12 0x000000348dde2756 in QGraphicsScenePrivate::draw(QGraphicsItem*, QPainter*, QTransform const*, QTransform const*, QRegion*, QWidget*, double, QTransform const*, bool, bool) () from /lib64/libQtGui.so.4
#13 0x000000348dde34a7 in QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem*, QPainter*, QTransform const*, QRegion*, QWidget*, double, QTransform const*) () from /lib64/libQtGui.so.4
#14 0x000000348dde2756 in QGraphicsScenePrivate::draw(QGraphicsItem*, QPainter*, QTransform const*, QTransform const*, QRegion*, QWidget*, double, QTransform const*, bool, bool) () from /lib64/libQtGui.so.4
#15 0x000000348dde34a7 in QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem*, QPainter*, QTransform const*, QRegion*, QWidget*, double, QTransform const*) () from /lib64/libQtGui.so.4
#16 0x000000348dde2756 in QGraphicsScenePrivate::draw(QGraphicsItem*, QPainter*, QTransform const*, QTransform const*, QRegion*, QWidget*, double, QTransform const*, bool, bool) () from /lib64/libQtGui.so.4
#17 0x000000348dde34a7 in QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem*, QPainter*, QTransform const*, QRegion*, QWidget*, double, QTransform const*) () from /lib64/libQtGui.so.4
#18 0x000000348dde3bc0 in QGraphicsScenePrivate::drawItems(QPainter*, QTransform const*, QRegion*, QWidget*) () from /lib64/libQtGui.so.4
#19 0x000000348de02c3f in QGraphicsView::paintEvent(QPaintEvent*) () from /lib64/libQtGui.so.4
#20 0x000000348d81b118 in QWidget::event(QEvent*) () from /lib64/libQtGui.so.4
#21 0x000000348dbda31e in QFrame::event(QEvent*) () from /lib64/libQtGui.so.4
#22 0x000000348de01941 in QGraphicsView::viewportEvent(QEvent*) () from /lib64/libQtGui.so.4
#23 0x000000348bd85876 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#24 0x000000348d7c7edc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#25 0x000000348d7ce958 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#26 0x000000348f64e86a in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#27 0x000000348bd8570d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#28 0x000000348d8157ed in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /lib64/libQtGui.so.4
#29 0x000000348d8162b5 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /lib64/libQtGui.so.4
#30 0x000000348d81535a in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /lib64/libQtGui.so.4
#31 0x000000348d9e52a5 in QWidgetBackingStore::sync() () from /lib64/libQtGui.so.4
#32 0x000000348d809ea0 in QWidgetPrivate::syncBackingStore() () from /lib64/libQtGui.so.4
#33 0x000000348d81b1e8 in QWidget::event(QEvent*) () from /lib64/libQtGui.so.4
#34 0x000000348dbda31e in QFrame::event(QEvent*) () from /lib64/libQtGui.so.4
#35 0x000000348dc5d343 in QAbstractScrollArea::event(QEvent*) () from /lib64/libQtGui.so.4
#36 0x000000348d7c7efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#37 0x000000348d7ce958 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#38 0x000000348f64e86a in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#39 0x000000348bd8570d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#40 0x000000348bd889d1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQtCore.so.4
#41 0x000000348ddd70a3 in QGraphicsScenePrivate::_q_processDirtyItems() () from /lib64/libQtGui.so.4
#42 0x000000348dddafd9 in QGraphicsScene::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.186] () from /lib64/libQtGui.so.4
#43 0x000000348bd9e951 in QObject::event(QEvent*) () from /lib64/libQtCore.so.4
#44 0x000000348dde91cb in QGraphicsScene::event(QEvent*) () from /lib64/libQtGui.so.4
#45 0x000000348d7c7efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#46 0x000000348d7ce958 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#47 0x000000348f64e86a in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#48 0x000000348bd8570d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#49 0x000000348bd889d1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQtCore.so.4
#50 0x000000348bdb48ae in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQtCore.so.4
#51 0x0000003e59249aeb in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#52 0x0000003e59249e88 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#53 0x0000003e59249f3c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#54 0x000000348bdb4a1e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#55 0x000000348d86b136 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtGui.so.4
#56 0x000000348bd84261 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#57 0x000000348bd845c5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#58 0x000000348bd89ca9 in QCoreApplication::exec() () from /lib64/libQtCore.so.4
#59 0x00000034956405cd in kdemain () from /lib64/libkdeinit4_plasma-desktop.so
#60 0x0000003e5621ffe0 in __libc_start_main () from /lib64/libc.so.6
#61 0x000000000040093e in _start ()

Possible duplicates by query: bug 324159, bug 322907, bug 321855, bug 320744, bug 318647.

Reported using DrKonqi