Application: plasma-desktop (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.5
Operating System: Linux 3.11.4-gentoo x86_64
Distribution: "Gentoo Base System release 2.2"

-- Information about the crash:
- What I was doing when the application crashed:
After login, plasma crashed during restore of previous session.

-- 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 0x7f24e75f87c0 (LWP 19076))]

Thread 3 (Thread 0x7f24c8ca0700 (LWP 19077)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f24d85c186b in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib64/qt4/libQtScript.so.4
#2  0x00007f24d85c18a9 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib64/qt4/libQtScript.so.4
#3  0x00007f24e5e9cd89 in start_thread (arg=0x7f24c8ca0700) at pthread_create.c:308
#4  0x00007f24e4c7f05d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f243e143700 (LWP 20125)):
#0  0x00007f24e5ea390d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f24e1bb5290 in read (__nbytes=16, __buf=0x7f243e142be0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x1ae41c0) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gwakeup.c:212
#3  0x00007f24e1b76d0c in g_main_context_check (context=context@entry=0x7f24380009a0, max_priority=2147483647, fds=fds@entry=0x7f2438002bb0, n_fds=n_fds@entry=1) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3502
#4  0x00007f24e1b7717b in g_main_context_iterate (context=context@entry=0x7f24380009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3698
#5  0x00007f24e1b772ec in g_main_context_iteration (context=0x7f24380009a0, may_block=1) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3762
#6  0x00007f24e6253276 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#7  0x00007f24e6226b6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#8  0x00007f24e6226e65 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#9  0x00007f24e612e47f in QThread::exec() () from /usr/lib64/qt4/libQtCore.so.4
#10 0x00007f24e6209ba3 in QInotifyFileSystemWatcherEngine::run() () from /usr/lib64/qt4/libQtCore.so.4
#11 0x00007f24e6130b8f in QThreadPrivate::start(void*) () from /usr/lib64/qt4/libQtCore.so.4
#12 0x00007f24e5e9cd89 in start_thread (arg=0x7f243e143700) at pthread_create.c:308
#13 0x00007f24e4c7f05d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f24e75f87c0 (LWP 19076)):
[KCrash Handler]
#5  0x00007f24e6238a28 in QObject::killTimer(int) () from /usr/lib64/qt4/libQtCore.so.4
#6  0x00007f24e6243e91 in QTimer::stop() () from /usr/lib64/qt4/libQtCore.so.4
#7  0x00007f24e6243eff in QTimer::start() () from /usr/lib64/qt4/libQtCore.so.4
#8  0x00007f24478c1303 in MouseEventListener::sceneEventFilter(QGraphicsItem*, QEvent*) () from /usr/lib64/kde4/imports/org/kde/qtextracomponents/libqtextracomponentsplugin.so
#9  0x00007f24e59a1305 in QGraphicsScenePrivate::filterDescendantEvent(QGraphicsItem*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#10 0x00007f24e59a595e in QGraphicsScenePrivate::sendEvent(QGraphicsItem*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#11 0x00007f24e59a5e5f in QGraphicsScenePrivate::sendMouseEvent(QGraphicsSceneMouseEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#12 0x00007f24e59b1b86 in QGraphicsScenePrivate::mousePressEventHandler(QGraphicsSceneMouseEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#13 0x00007f24e59b1fa9 in QGraphicsScene::mousePressEvent(QGraphicsSceneMouseEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#14 0x00007f24e59babc0 in QGraphicsScene::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#15 0x00007f24e542206c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#16 0x00007f24e5427c70 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#17 0x00007f24e6fe886a in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#18 0x00007f24e6227edd in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#19 0x00007f24e59d0a1f in QGraphicsView::mousePressEvent(QMouseEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#20 0x00007f24e546f031 in QWidget::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#21 0x00007f24e57d832e in QFrame::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#22 0x00007f24e59d1759 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#23 0x00007f24e6228046 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#24 0x00007f24e542204c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#25 0x00007f24e5427dad in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#26 0x00007f24e6fe886a in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#27 0x00007f24e6227edd in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#28 0x00007f24e5427573 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib64/qt4/libQtGui.so.4
#29 0x00007f24e5495880 in QETWidget::translateMouseEvent(_XEvent const*) () from /usr/lib64/qt4/libQtGui.so.4
#30 0x00007f24e5493c2c in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#31 0x00007f24e54b9482 in x11EventSourceDispatch(_GSource*, int (*)(void*), void*) () from /usr/lib64/qt4/libQtGui.so.4
#32 0x00007f24e1b76ef6 in g_main_dispatch (context=0x1b60c00) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3054
#33 g_main_context_dispatch (context=context@entry=0x1b60c00) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3630
#34 0x00007f24e1b77248 in g_main_context_iterate (context=context@entry=0x1b60c00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3701
#35 0x00007f24e1b772ec in g_main_context_iteration (context=0x1b60c00, may_block=1) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3762
#36 0x00007f24e6253255 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#37 0x00007f24e54b9516 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtGui.so.4
#38 0x00007f24e6226b6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#39 0x00007f24e6226e65 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#40 0x00007f24e622bcbb in QCoreApplication::exec() () from /usr/lib64/qt4/libQtCore.so.4
#41 0x00007f24d1a066ec in kdemain () from /usr/lib64/libkdeinit4_plasma-desktop.so
#42 0x000000000040887e in launch(int, char const*, char const*, char const*, int, char const*, bool, char const*, bool, char const*) ()
#43 0x00000000004096fb in handle_launcher_request(int, char const*) [clone .isra.13] ()
#44 0x0000000000409d57 in handle_requests(int) ()
#45 0x0000000000405b58 in main ()

Possible duplicates by query: bug 325188.

Reported using DrKonqi