Application: plasma-desktop (4.11.8)
KDE Platform Version: 4.11.5
Qt Version: 4.8.5
Operating System: Linux 3.13.11-100.fc19.x86_64 x86_64
Distribution: "Fedora release 19 (Schrödinger’s Cat)"

-- Information about the crash:
- What I was doing when the application crashed:
i was searching .* files on dolphin file manager with 2 separetada windows. then i opened a tab and plasma desktop crashed.
- Unusual behavior I noticed:
 some stripes appear on  dolphin menu texts while doing some search or openişng new tabs.

The crash can be reproduced sometimes.

-- 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 0x7f7a8b05f8c0 (LWP 1361))]

Thread 4 (Thread 0x7f7a7fe50700 (LWP 1364)):
#0  0x00000037e94eb7fd in poll () from /lib64/libc.so.6
#1  0x00000033796480b4 in g_main_context_iterate.isra.22 () from /lib64/libglib-2.0.so.0
#2  0x000000337964851a in g_main_loop_run () from /lib64/libglib-2.0.so.0
#3  0x0000003380ac6c66 in gdbus_shared_thread_func () from /lib64/libgio-2.0.so.0
#4  0x000000337966c0e5 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5  0x00000037e9807c53 in start_thread () from /lib64/libpthread.so.0
#6  0x00000037e94f5dbd in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f7a75197700 (LWP 1365)):
#0  0x00000037e980b565 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000338418614b in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib64/libQtScript.so.4
#2  0x0000003384186189 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib64/libQtScript.so.4
#3  0x00000037e9807c53 in start_thread () from /lib64/libpthread.so.0
#4  0x00000037e94f5dbd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f79eb5f3700 (LWP 1366)):
#0  0x00000037e94eb7fd in poll () from /lib64/libc.so.6
#1  0x00000033796480b4 in g_main_context_iterate.isra.22 () from /lib64/libglib-2.0.so.0
#2  0x00000033796481bc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x000000337a3a6d56 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#4  0x000000337a378b2f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#5  0x000000337a378e25 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#6  0x000000337a278a1f in QThread::exec() () from /lib64/libQtCore.so.4
#7  0x000000337a35a3e3 in QInotifyFileSystemWatcherEngine::run() () from /lib64/libQtCore.so.4
#8  0x000000337a27b0bf in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#9  0x00000037e9807c53 in start_thread () from /lib64/libpthread.so.0
#10 0x00000037e94f5dbd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f7a8b05f8c0 (LWP 1361)):
[KCrash Handler]
#5  0x000000337c1610d7 in QGraphicsItem::ungrabMouse() () from /lib64/libQtGui.so.4
#6  0x000000337c18de8f in QGraphicsScenePrivate::clearMouseGrabber() () from /lib64/libQtGui.so.4
#7  0x000000337c1911db in QGraphicsScenePrivate::sendMouseEvent(QGraphicsSceneMouseEvent*) () from /lib64/libQtGui.so.4
#8  0x000000337c199f06 in QGraphicsScene::mouseMoveEvent(QGraphicsSceneMouseEvent*) () from /lib64/libQtGui.so.4
#9  0x000000337c1a5d5c in QGraphicsScene::event(QEvent*) () from /lib64/libQtGui.so.4
#10 0x000000337bbc84dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#11 0x000000337bbceaa0 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#12 0x0000003ea003fd5a in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#13 0x000000337a379ecd in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#14 0x000000337c1bafdc in QGraphicsViewPrivate::mouseMoveEventHandler(QMouseEvent*) () from /lib64/libQtGui.so.4
#15 0x000000337c1bbeea in QGraphicsView::mouseMoveEvent(QMouseEvent*) () from /lib64/libQtGui.so.4
#16 0x000000337bc17ba5 in QWidget::event(QEvent*) () from /lib64/libQtGui.so.4
#17 0x000000337bfb363e in QFrame::event(QEvent*) () from /lib64/libQtGui.so.4
#18 0x000000337c1bd539 in QGraphicsView::viewportEvent(QEvent*) () from /lib64/libQtGui.so.4
#19 0x000000337a37a036 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#20 0x000000337bbc84bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#21 0x000000337bbcebdd in QApplication::notify(QObject*, QEvent*) () from /lib64/libQtGui.so.4
#22 0x0000003ea003fd5a in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#23 0x000000337a379ecd in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQtCore.so.4
#24 0x000000337bbce393 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /lib64/libQtGui.so.4
#25 0x000000337bc3f84b in QETWidget::translateMouseEvent(_XEvent const*) () from /lib64/libQtGui.so.4
#26 0x000000337bc3e2bc in QApplication::x11ProcessEvent(_XEvent*) () from /lib64/libQtGui.so.4
#27 0x000000337bc64d34 in x11EventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQtGui.so.4
#28 0x0000003379647dc6 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#29 0x0000003379648118 in g_main_context_iterate.isra.22 () from /lib64/libglib-2.0.so.0
#30 0x00000033796481bc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#31 0x000000337a3a6d35 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#32 0x000000337bc64ea6 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtGui.so.4
#33 0x000000337a378b2f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#34 0x000000337a378e25 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#35 0x000000337a37e0a9 in QCoreApplication::exec() () from /lib64/libQtCore.so.4
#36 0x000000316163c80c in kdemain () from /lib64/libkdeinit4_plasma-desktop.so
#37 0x00000037e9421b45 in __libc_start_main () from /lib64/libc.so.6
#38 0x0000000000400971 in _start ()

Possible duplicates by query: bug 333651, bug 329895, bug 327737, bug 327686, bug 327587.

Reported using DrKonqi