Application: plasma-desktop (4.11.3)
KDE Platform Version: 4.11.3
Qt Version: 4.8.4
Operating System: Linux 3.11.0-13-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
click on the panel cashew. 
"Add apps". 
drag the (German) Schnellstarter, I think it is called "Launcher" (rocket symbol) onto the panel. 
Crash.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f439e0ca7c0 (LWP 1796))]

Thread 9 (Thread 0x7f437f62c700 (LWP 1797)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4396d5e06b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f4396d5e0a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f4391417f6e in start_thread (arg=0x7f437f62c700) at pthread_create.c:311
#4  0x00007f439d9ab9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 8 (Thread 0x7f42f448f700 (LWP 1798)):
#0  0x00007f439d99ef7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f4390d0d6a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4390d0d7ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f439a577a76 in QEventDispatcherGlib::processEvents (this=0x7f42ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f439a5495ef in QEventLoop::processEvents (this=this@entry=0x7f42f448ed70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f439a5498e5 in QEventLoop::exec (this=this@entry=0x7f42f448ed70, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f439a44888f in QThread::exec (this=this@entry=0x1a33940) at thread/qthread.cpp:542
#7  0x00007f439a52ad13 in QInotifyFileSystemWatcherEngine::run (this=0x1a33940) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f439a44af2f in QThreadPrivate::start (arg=0x1a33940) at thread/qthread_unix.cpp:338
#9  0x00007f4391417f6e in start_thread (arg=0x7f42f448f700) at pthread_create.c:311
#10 0x00007f439d9ab9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 7 (Thread 0x7f42f0c28700 (LWP 1799)):
#0  0x00007f4390d4d0ea in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f4390d4d3c9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4390d0cd40 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4390d0d5c3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4390d0d7ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f439a577a76 in QEventDispatcherGlib::processEvents (this=0x7f42e40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f439a5495ef in QEventLoop::processEvents (this=this@entry=0x7f42f0c27d70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f439a5498e5 in QEventLoop::exec (this=this@entry=0x7f42f0c27d70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f439a44888f in QThread::exec (this=this@entry=0x230d640) at thread/qthread.cpp:542
#9  0x00007f439a52ad13 in QInotifyFileSystemWatcherEngine::run (this=0x230d640) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f439a44af2f in QThreadPrivate::start (arg=0x230d640) at thread/qthread_unix.cpp:338
#11 0x00007f4391417f6e in start_thread (arg=0x7f42f0c28700) at pthread_create.c:311
#12 0x00007f439d9ab9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7f42e8e4f700 (LWP 2630)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f439a44b406 in wait (time=18446744073709551615, this=0x24451a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x251f9b8, mutex=0x23e1cf0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f4395fd8e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x251f990, th=0x4997e00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f4395fdb903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x23e2280, th=0x4997e00, previous=0x4c69dc0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f4395fda61f in ThreadWeaver::Thread::run (this=0x4997e00) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f439a44af2f in QThreadPrivate::start (arg=0x4997e00) at thread/qthread_unix.cpp:338
#7  0x00007f4391417f6e in start_thread (arg=0x7f42e8e4f700) at pthread_create.c:311
#8  0x00007f439d9ab9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7f42dfafe700 (LWP 2631)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f439a44b406 in wait (time=18446744073709551615, this=0x24451a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x251f9b8, mutex=0x23e1cf0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f4395fd8e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x251f990, th=0x49aadc0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f4395fdb903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x23e2280, th=0x49aadc0, previous=0x3e3d850) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f4395fda61f in ThreadWeaver::Thread::run (this=0x49aadc0) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f439a44af2f in QThreadPrivate::start (arg=0x49aadc0) at thread/qthread_unix.cpp:338
#7  0x00007f4391417f6e in start_thread (arg=0x7f42dfafe700) at pthread_create.c:311
#8  0x00007f439d9ab9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f42ddecc700 (LWP 2632)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f439a44b406 in wait (time=18446744073709551615, this=0x24451a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x251f9b8, mutex=0x23e1cf0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f4395fd8e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x251f990, th=0x4c29d10) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f4395fdb903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x23e2280, th=0x4c29d10, previous=0x4c685e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f4395fda61f in ThreadWeaver::Thread::run (this=0x4c29d10) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f439a44af2f in QThreadPrivate::start (arg=0x4c29d10) at thread/qthread_unix.cpp:338
#7  0x00007f4391417f6e in start_thread (arg=0x7f42ddecc700) at pthread_create.c:311
#8  0x00007f439d9ab9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f42d7fff700 (LWP 2633)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f439a44b406 in wait (time=18446744073709551615, this=0x24451a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x251f9b8, mutex=0x23e1cf0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f4395fd8e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x251f990, th=0x36354a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f4395fdb903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x23e2280, th=0x36354a0, previous=0x3d04010) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f4395fda61f in ThreadWeaver::Thread::run (this=0x36354a0) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f439a44af2f in QThreadPrivate::start (arg=0x36354a0) at thread/qthread_unix.cpp:338
#7  0x00007f4391417f6e in start_thread (arg=0x7f42d7fff700) at pthread_create.c:311
#8  0x00007f439d9ab9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f42d77fe700 (LWP 2634)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f439a44b406 in wait (time=18446744073709551615, this=0x24451a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x251f9b8, mutex=0x23e1cf0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f4395fd8e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x251f990, th=0x3d94460) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f4395fdb903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x23e2280, th=0x3d94460, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f4395fda61f in ThreadWeaver::Thread::run (this=0x3d94460) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f439a44af2f in QThreadPrivate::start (arg=0x3d94460) at thread/qthread_unix.cpp:338
#7  0x00007f4391417f6e in start_thread (arg=0x7f42d77fe700) at pthread_create.c:311
#8  0x00007f439d9ab9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f439e0ca7c0 (LWP 1796)):
[KCrash Handler]
#6  0x00007f439d8e7f77 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#7  0x00007f439d8eb5e8 in __GI_abort () at abort.c:90
#8  0x00007f439d9254fb in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f439da39240 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:199
#9  0x00007f439d931996 in malloc_printerr (ptr=0x7fff86246b50, str=0x7f439da39370 "double free or corruption (out)", action=3) at malloc.c:4923
#10 _int_free (av=<optimized out>, p=0x7fff86246b40, have_lock=0) at malloc.c:3779
#11 0x00007f42fdbba5c0 in DeclarativeMimeData::DeclarativeMimeData (this=0x7fff86246c00, copy=0x3decc30) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeMimeData.cpp:50
#12 0x00007f42fdbb9db1 in DeclarativeDragDropEvent::DeclarativeDragDropEvent (this=0x7fff86246be0, e=0x7fff86247010, parent=0x1e60ab0) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragDropEvent.cpp:33
#13 0x00007f42fdbb9ea4 in DeclarativeDropArea::dragLeaveEvent (this=0x1e60ab0, event=<optimized out>) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDropArea.cpp:44
#14 0x00007f4399e90c72 in QGraphicsItem::sceneEvent (this=this@entry=0x1e60ac0, event=event@entry=0x7fff86247010) at graphicsview/qgraphicsitem.cpp:6721
#15 0x00007f439c144a54 in QDeclarativeItem::sceneEvent (this=0x1e60ab0, event=0x7fff86247010) at graphicsitems/qdeclarativeitem.cpp:3049
#16 0x00007f4399eb7757 in QGraphicsScenePrivate::sendDragDropEvent (this=this@entry=0x1a42130, item=0x1e60ac0, dragDropEvent=0x7fff86247010) at graphicsview/qgraphicsscene.cpp:1250
#17 0x00007f4399eb778f in QGraphicsScene::dragLeaveEvent (this=<optimized out>, event=<optimized out>) at graphicsview/qgraphicsscene.cpp:3738
#18 0x00007f4399ecc7c0 in QGraphicsScene::event (this=0x1b51c30, event=0x7fff86247010) at graphicsview/qgraphicsscene.cpp:3406
#19 0x00007f43998e7dfc in QApplicationPrivate::notify_helper (this=this@entry=0x19dd120, receiver=receiver@entry=0x1b51c30, e=e@entry=0x7fff86247010) at kernel/qapplication.cpp:4567
#20 0x00007f43998ee470 in QApplication::notify (this=this@entry=0x19d4350, receiver=receiver@entry=0x1b51c30, e=e@entry=0x7fff86247010) at kernel/qapplication.cpp:4353
#21 0x00007f439b20ea6a in KApplication::notify (this=0x19d4350, receiver=0x1b51c30, event=0x7fff86247010) at ../../kdeui/kernel/kapplication.cpp:311
#22 0x00007f439a54a8bd in QCoreApplication::notifyInternal (this=0x19d4350, receiver=0x1b51c30, event=event@entry=0x7fff86247010) at kernel/qcoreapplication.cpp:946
#23 0x00007f4399ee46d8 in sendEvent (event=0x7fff86247010, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#24 QGraphicsView::dragLeaveEvent (this=<optimized out>, event=0x7fff86247420) at graphicsview/qgraphicsview.cpp:2990
#25 0x00007f4399937087 in QWidget::event (this=this@entry=0x3611010, event=event@entry=0x7fff86247420) at kernel/qwidget.cpp:8588
#26 0x00007f4399cd85be in QFrame::event (this=0x3611010, e=0x7fff86247420) at widgets/qframe.cpp:557
#27 0x00007f4399ee3e09 in QGraphicsView::viewportEvent (this=0x3611010, event=0x7fff86247420) at graphicsview/qgraphicsview.cpp:2866
#28 0x00007f439a54aa26 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x19dd120, receiver=receiver@entry=0x3694b20, event=event@entry=0x7fff86247420) at kernel/qcoreapplication.cpp:1056
#29 0x00007f43998e7ddc in QApplicationPrivate::notify_helper (this=this@entry=0x19dd120, receiver=receiver@entry=0x3694b20, e=e@entry=0x7fff86247420) at kernel/qapplication.cpp:4563
#30 0x00007f43998ef2fe in QApplication::notify (this=this@entry=0x19d4350, receiver=receiver@entry=0x3694b20, e=e@entry=0x7fff86247420) at kernel/qapplication.cpp:4353
#31 0x00007f439b20ea6a in KApplication::notify (this=0x19d4350, receiver=0x3694b20, event=0x7fff86247420) at ../../kdeui/kernel/kapplication.cpp:311
#32 0x00007f439a54a8bd in QCoreApplication::notifyInternal (this=0x19d4350, receiver=0x3694b20, event=0x7fff86247420) at kernel/qcoreapplication.cpp:946
#33 0x00007f439996f50e in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#34 QX11Data::xdndHandleLeave (this=0x704, w=0x704, xe=0x7fff86247470) at kernel/qdnd_x11.cpp:1068
#35 0x00007f439996f650 in qt_xdnd_send_leave () at kernel/qdnd_x11.cpp:1107
#36 0x00007f439996fa5a in qt_xdnd_send_leave () at kernel/qdnd_x11.cpp:1410
#37 QDragManager::cancel (this=0x477cd10, deleteSource=deleteSource@entry=false) at kernel/qdnd_x11.cpp:1411
#38 0x00007f43998f8b7a in QDrag::~QDrag (this=0x3ffd900, __in_chrg=<optimized out>) at kernel/qdrag.cpp:132
#39 0x00007f43998f8b99 in QDrag::~QDrag (this=0x3ffd900, __in_chrg=<optimized out>) at kernel/qdrag.cpp:133
#40 0x00007f439a561308 in QObjectPrivate::deleteChildren (this=this@entry=0x453cb20) at kernel/qobject.cpp:1907
#41 0x00007f4399933b37 in QWidget::~QWidget (this=0x511cce0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1681
#42 0x00007f4399933e49 in QWidget::~QWidget (this=0x511cce0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1705
#43 0x00007f439a561308 in QObjectPrivate::deleteChildren (this=this@entry=0x468a610) at kernel/qobject.cpp:1907
#44 0x00007f4399933b37 in QWidget::~QWidget (this=0x42f1ce0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1681
#45 0x00007f4399eddf65 in QGraphicsView::~QGraphicsView (this=0x42f1ce0, __in_chrg=<optimized out>) at graphicsview/qgraphicsview.cpp:1158
#46 0x00007f4399eddf99 in QGraphicsView::~QGraphicsView (this=0x42f1ce0, __in_chrg=<optimized out>) at graphicsview/qgraphicsview.cpp:1164
#47 0x00007f439dca6664 in ControllerWindow::~ControllerWindow (this=0x3aca690, __in_chrg=<optimized out>) at ../../../../plasma/desktop/shell/controllerwindow.cpp:107
#48 0x00007f439dca66b9 in ControllerWindow::~ControllerWindow (this=0x3aca690, __in_chrg=<optimized out>) at ../../../../plasma/desktop/shell/controllerwindow.cpp:108
#49 0x00007f439a562e08 in QObject::event (this=this@entry=0x3aca690, e=e@entry=0x5c51b70) at kernel/qobject.cpp:1175
#50 0x00007f439993736b in QWidget::event (this=0x3aca690, event=0x5c51b70) at kernel/qwidget.cpp:8845
#51 0x00007f43998e7dfc in QApplicationPrivate::notify_helper (this=this@entry=0x19dd120, receiver=receiver@entry=0x3aca690, e=e@entry=0x5c51b70) at kernel/qapplication.cpp:4567
#52 0x00007f43998ee470 in QApplication::notify (this=this@entry=0x19d4350, receiver=receiver@entry=0x3aca690, e=e@entry=0x5c51b70) at kernel/qapplication.cpp:4353
#53 0x00007f439b20ea6a in KApplication::notify (this=0x19d4350, receiver=0x3aca690, event=0x5c51b70) at ../../kdeui/kernel/kapplication.cpp:311
#54 0x00007f439a54a8bd in QCoreApplication::notifyInternal (this=0x19d4350, receiver=receiver@entry=0x3aca690, event=event@entry=0x5c51b70) at kernel/qcoreapplication.cpp:946
#55 0x00007f439a54de1f in sendEvent (event=0x5c51b70, receiver=0x3aca690) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#56 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x194e1f0) at kernel/qcoreapplication.cpp:1570
#57 0x00007f439a54e2c3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#58 0x00007f439a578073 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#59 postEventSourceDispatch (s=0x19e1720) at kernel/qeventdispatcher_glib.cpp:279
#60 0x00007f4390d0d3b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#61 0x00007f4390d0d708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#62 0x00007f4390d0d7ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#63 0x00007f439a577a55 in QEventDispatcherGlib::processEvents (this=0x194fad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#64 0x00007f43999899d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#65 0x00007f439a5495ef in QEventLoop::processEvents (this=this@entry=0x5127900, flags=...) at kernel/qeventloop.cpp:149
#66 0x00007f439a5498e5 in QEventLoop::exec (this=this@entry=0x5127900, flags=...) at kernel/qeventloop.cpp:204
#67 0x00007f4399971ebd in QDragManager::drag (this=0x477cd10, o=o@entry=0x3ffd900) at kernel/qdnd_x11.cpp:2032
#68 0x00007f43998f8dda in QDrag::exec (this=this@entry=0x3ffd900, supportedActions=..., defaultDropAction=Qt::MoveAction) at kernel/qdrag.cpp:284
#69 0x00007f42fdbb9c68 in DeclarativeDragArea::mouseMoveEvent (this=0x6303a30, event=<optimized out>) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragArea.cpp:233
#70 0x00007f42fdbb9d21 in DeclarativeDragArea::sceneEventFilter (this=0x6303a30, item=0x665cd80, event=0x7fff86248420) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragArea.cpp:245
#71 0x00007f4399eb2fd5 in QGraphicsScenePrivate::filterDescendantEvent (this=this@entry=0x1a42130, item=item@entry=0x665cd80, event=event@entry=0x7fff86248420) at graphicsview/qgraphicsscene.cpp:1159
#72 0x00007f4399eb763e in QGraphicsScenePrivate::sendEvent (this=0x1a42130, item=0x665cd80, event=0x7fff86248420) at graphicsview/qgraphicsscene.cpp:1211
#73 0x00007f4399eb7b3f in QGraphicsScenePrivate::sendMouseEvent (this=0x1a42130, mouseEvent=0x7fff86248420) at graphicsview/qgraphicsscene.cpp:1295
#74 0x00007f4399ec06f6 in QGraphicsScene::mouseMoveEvent (this=<optimized out>, mouseEvent=0x7fff86248420) at graphicsview/qgraphicsscene.cpp:4102
#75 0x00007f4399ecc62c in QGraphicsScene::event (this=0x1b51c30, event=0x7fff86248420) at graphicsview/qgraphicsscene.cpp:3451
#76 0x00007f43998e7dfc in QApplicationPrivate::notify_helper (this=this@entry=0x19dd120, receiver=receiver@entry=0x1b51c30, e=e@entry=0x7fff86248420) at kernel/qapplication.cpp:4567
#77 0x00007f43998ee470 in QApplication::notify (this=this@entry=0x19d4350, receiver=receiver@entry=0x1b51c30, e=e@entry=0x7fff86248420) at kernel/qapplication.cpp:4353
#78 0x00007f439b20ea6a in KApplication::notify (this=0x19d4350, receiver=0x1b51c30, event=0x7fff86248420) at ../../kdeui/kernel/kapplication.cpp:311
#79 0x00007f439a54a8bd in QCoreApplication::notifyInternal (this=0x19d4350, receiver=0x1b51c30, event=event@entry=0x7fff86248420) at kernel/qcoreapplication.cpp:946
#80 0x00007f43998e6526 in sendSpontaneousEvent (event=event@entry=0x7fff86248420, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#81 qt_sendSpontaneousEvent (receiver=<optimized out>, event=event@entry=0x7fff86248420) at kernel/qapplication.cpp:5565
#82 0x00007f4399ee18ac in QGraphicsViewPrivate::mouseMoveEventHandler (this=this@entry=0x468a610, event=event@entry=0x7fff86248a70) at graphicsview/qgraphicsview.cpp:646
#83 0x00007f4399ee27ba in QGraphicsView::mouseMoveEvent (this=0x42f1ce0, event=0x7fff86248a70) at graphicsview/qgraphicsview.cpp:3276
#84 0x00007f4399937445 in QWidget::event (this=this@entry=0x42f1ce0, event=event@entry=0x7fff86248a70) at kernel/qwidget.cpp:8360
#85 0x00007f4399cd85be in QFrame::event (this=0x42f1ce0, e=0x7fff86248a70) at widgets/qframe.cpp:557
#86 0x00007f4399ee3e09 in QGraphicsView::viewportEvent (this=0x42f1ce0, event=0x7fff86248a70) at graphicsview/qgraphicsview.cpp:2866
#87 0x00007f439a54aa26 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x19dd120, receiver=receiver@entry=0x511cce0, event=event@entry=0x7fff86248a70) at kernel/qcoreapplication.cpp:1056
#88 0x00007f43998e7ddc in QApplicationPrivate::notify_helper (this=this@entry=0x19dd120, receiver=receiver@entry=0x511cce0, e=e@entry=0x7fff86248a70) at kernel/qapplication.cpp:4563
#89 0x00007f43998ee5ad in QApplication::notify (this=this@entry=0x19d4350, receiver=receiver@entry=0x511cce0, e=e@entry=0x7fff86248a70) at kernel/qapplication.cpp:4110
#90 0x00007f439b20ea6a in KApplication::notify (this=0x19d4350, receiver=0x511cce0, event=0x7fff86248a70) at ../../kdeui/kernel/kapplication.cpp:311
#91 0x00007f439a54a8bd in QCoreApplication::notifyInternal (this=0x19d4350, receiver=receiver@entry=0x511cce0, event=event@entry=0x7fff86248a70) at kernel/qcoreapplication.cpp:946
#92 0x00007f43998edd63 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#93 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x511cce0, event=event@entry=0x7fff86248a70, alienWidget=alienWidget@entry=0x511cce0, nativeWidget=nativeWidget@entry=0x3aca690, buttonDown=buttonDown@entry=0x7f439a3cc2f8 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#94 0x00007f43999627db in QETWidget::translateMouseEvent (this=this@entry=0x3aca690, event=event@entry=0x7fff86248df0) at kernel/qapplication_x11.cpp:4631
#95 0x00007f4399962079 in QApplication::x11ProcessEvent (this=0x19d4350, event=event@entry=0x7fff86248df0) at kernel/qapplication_x11.cpp:3624
#96 0x00007f4399989922 in x11EventSourceDispatch (s=0x19e0920, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#97 0x00007f4390d0d3b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#98 0x00007f4390d0d708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#99 0x00007f4390d0d7ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#100 0x00007f439a577a55 in QEventDispatcherGlib::processEvents (this=0x194fad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#101 0x00007f43999899d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#102 0x00007f439a5495ef in QEventLoop::processEvents (this=this@entry=0x7fff862491d0, flags=...) at kernel/qeventloop.cpp:149
#103 0x00007f439a5498e5 in QEventLoop::exec (this=this@entry=0x7fff862491d0, flags=...) at kernel/qeventloop.cpp:204
#104 0x00007f439a54ee5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#105 0x00007f43998e634c in QApplication::exec () at kernel/qapplication.cpp:3828
#106 0x00007f439dcb527c in kdemain (argc=1, argv=0x7fff86249428) at ../../../../plasma/desktop/shell/main.cpp:126
#107 0x00007f439d8d2de5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fff86249428, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff86249418) at libc-start.c:260
#108 0x000000000040070e in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 315303.

Possible duplicates by query: bug 328054, bug 327971, bug 327905, bug 327598, bug 326809.

Reported using DrKonqi