Application: plasma-desktop (4.11.11)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.16.0-38-generic x86_64
Distribution: Linux Mint 17.2 Rafaela

-- Information about the crash:
- What I was doing when the application crashed:
Drag and move an widget to panel over minimized [to button] other app

The crash can be reproduced every time.

-- Backtrace:
Application: Оболочка Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7efd93b077c0 (LWP 2125))]

Thread 13 (Thread 0x7efd67fa8700 (LWP 2397)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007efd8c7b9ffb in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007efd8c7ba039 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007efd87330182 in start_thread (arg=0x7efd67fa8700) at pthread_create.c:312
#4  0x00007efd933fb47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7efcde09b700 (LWP 2398)):
#0  0x00007efd933ee12d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007efd86c1efe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007efd86c1f0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007efd8ffcf7be in QEventDispatcherGlib::processEvents (this=0x7efcd80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007efd8ffa10af in QEventLoop::processEvents (this=this@entry=0x7efcde09ade0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007efd8ffa13a5 in QEventLoop::exec (this=this@entry=0x7efcde09ade0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007efd8fe9dc5f in QThread::exec (this=this@entry=0x2475290) at thread/qthread.cpp:537
#7  0x00007efd8ff82823 in QInotifyFileSystemWatcherEngine::run (this=0x2475290) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007efd8fea032f in QThreadPrivate::start (arg=0x2475290) at thread/qthread_unix.cpp:349
#9  0x00007efd87330182 in start_thread (arg=0x7efcde09b700) at pthread_create.c:312
#10 0x00007efd933fb47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7efcd77fe700 (LWP 2400)):
#0  0x00007efd933ec82d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007efd86c5fc10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007efd86c1eb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007efd86c1ef7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007efd86c1f30a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007efcdc6a4336 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007efd86c43f05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007efd87330182 in start_thread (arg=0x7efcd77fe700) at pthread_create.c:312
#8  0x00007efd933fb47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7efcd6b8c700 (LWP 2401)):
#0  0x00007efd933ee12d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007efd86c1efe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007efd86c1f0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007efd8ffcf7be in QEventDispatcherGlib::processEvents (this=0x7efccc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007efd8ffa10af in QEventLoop::processEvents (this=this@entry=0x7efcd6b8bde0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007efd8ffa13a5 in QEventLoop::exec (this=this@entry=0x7efcd6b8bde0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007efd8fe9dc5f in QThread::exec (this=this@entry=0x1c6e200) at thread/qthread.cpp:537
#7  0x00007efd8ff82823 in QInotifyFileSystemWatcherEngine::run (this=0x1c6e200) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007efd8fea032f in QThreadPrivate::start (arg=0x1c6e200) at thread/qthread_unix.cpp:349
#9  0x00007efd87330182 in start_thread (arg=0x7efcd6b8c700) at pthread_create.c:312
#10 0x00007efd933fb47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7efcc63b1700 (LWP 2931)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007efd8fea0816 in wait (time=18446744073709551615, this=0x24ea010) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x24ccfd8, mutex=0x24c6490, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007efd8ba32e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x24ccfb0, th=0x331a0c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007efd8ba35903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x331a0c0, previous=0x1cdc740) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007efd8ba3461f in ThreadWeaver::Thread::run (this=0x331a0c0) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007efd8fea032f in QThreadPrivate::start (arg=0x331a0c0) at thread/qthread_unix.cpp:349
#7  0x00007efd87330182 in start_thread (arg=0x7efcc63b1700) at pthread_create.c:312
#8  0x00007efd933fb47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7efcd7fff700 (LWP 2932)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007efd8fea0816 in wait (time=18446744073709551615, this=0x24ea010) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x24ccfd8, mutex=0x24c6490, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007efd8ba32e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x24ccfb0, th=0x41792b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007efd8ba35903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x41792b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007efd8ba3591c in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x41792b0, previous=0x24a5dd0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007efd8ba3461f in ThreadWeaver::Thread::run (this=0x41792b0) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007efd8fea032f in QThreadPrivate::start (arg=0x41792b0) at thread/qthread_unix.cpp:349
#8  0x00007efd87330182 in start_thread (arg=0x7efcd7fff700) at pthread_create.c:312
#9  0x00007efd933fb47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7efcbf7d0700 (LWP 2933)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007efd8fea0816 in wait (time=18446744073709551615, this=0x24ea010) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x24ccfd8, mutex=0x24c6490, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007efd8ba32e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x24ccfb0, th=0x41ddb90) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007efd8ba35903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x41ddb90, previous=0x41ffe80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007efd8ba3461f in ThreadWeaver::Thread::run (this=0x41ddb90) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007efd8fea032f in QThreadPrivate::start (arg=0x41ddb90) at thread/qthread_unix.cpp:349
#7  0x00007efd87330182 in start_thread (arg=0x7efcbf7d0700) at pthread_create.c:312
#8  0x00007efd933fb47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7efcbefcf700 (LWP 2934)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007efd8fea0816 in wait (time=18446744073709551615, this=0x24ea010) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x24ccfd8, mutex=0x24c6490, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007efd8ba32e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x24ccfb0, th=0x419bdd0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007efd8ba35903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x419bdd0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007efd8ba3591c in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x419bdd0, previous=0x17f7ca0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007efd8ba3461f in ThreadWeaver::Thread::run (this=0x419bdd0) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007efd8fea032f in QThreadPrivate::start (arg=0x419bdd0) at thread/qthread_unix.cpp:349
#8  0x00007efd87330182 in start_thread (arg=0x7efcbefcf700) at pthread_create.c:312
#9  0x00007efd933fb47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7efcbe7ce700 (LWP 2935)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007efd8fea0816 in wait (time=18446744073709551615, this=0x24ea010) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x24ccfd8, mutex=0x24c6490, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007efd8ba32e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x24ccfb0, th=0x4199860) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007efd8ba35903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x4199860, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007efd8ba3591c in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x4199860, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007efd8ba3591c in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x4199860, previous=0x41b7360) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007efd8ba3461f in ThreadWeaver::Thread::run (this=0x4199860) at ../../../threadweaver/Weaver/Thread.cpp:98
#8  0x00007efd8fea032f in QThreadPrivate::start (arg=0x4199860) at thread/qthread_unix.cpp:349
#9  0x00007efd87330182 in start_thread (arg=0x7efcbe7ce700) at pthread_create.c:312
#10 0x00007efd933fb47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7efcbd1b8700 (LWP 3046)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007efd8fea0816 in wait (time=18446744073709551615, this=0x24ea010) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x24ccfd8, mutex=0x24c6490, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007efd8ba32e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x24ccfb0, th=0x17d9bd0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007efd8ba35903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x17d9bd0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007efd8ba3591c in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x17d9bd0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007efd8ba3461f in ThreadWeaver::Thread::run (this=0x17d9bd0) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007efd8fea032f in QThreadPrivate::start (arg=0x17d9bd0) at thread/qthread_unix.cpp:349
#8  0x00007efd87330182 in start_thread (arg=0x7efcbd1b8700) at pthread_create.c:312
#9  0x00007efd933fb47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7efcbc9b7700 (LWP 3047)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007efd8fea0816 in wait (time=18446744073709551615, this=0x24ea010) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x24ccfd8, mutex=0x24c6490, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007efd8ba32e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x24ccfb0, th=0x1758450) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007efd8ba35903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x1758450, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007efd8ba3591c in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x1758450, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007efd8ba3461f in ThreadWeaver::Thread::run (this=0x1758450) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007efd8fea032f in QThreadPrivate::start (arg=0x1758450) at thread/qthread_unix.cpp:349
#8  0x00007efd87330182 in start_thread (arg=0x7efcbc9b7700) at pthread_create.c:312
#9  0x00007efd933fb47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7efcaffff700 (LWP 3048)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007efd8fea0816 in wait (time=18446744073709551615, this=0x24ea010) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x24ccfd8, mutex=0x24c6490, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007efd8ba32e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x24ccfb0, th=0x40c58a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007efd8ba35903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x40c58a0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007efd8ba3591c in ThreadWeaver::WorkingHardState::applyForWork (this=0x24c18f0, th=0x40c58a0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007efd8ba3461f in ThreadWeaver::Thread::run (this=0x40c58a0) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007efd8fea032f in QThreadPrivate::start (arg=0x40c58a0) at thread/qthread_unix.cpp:349
#8  0x00007efd87330182 in start_thread (arg=0x7efcaffff700) at pthread_create.c:312
#9  0x00007efd933fb47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7efd93b077c0 (LWP 2125)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007efd661ba5c0 in DeclarativeMimeData::DeclarativeMimeData (this=0x7ffc1e3b2860, copy=0x55aa530) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeMimeData.cpp:50
#8  0x00007efd661b9db1 in DeclarativeDragDropEvent::DeclarativeDragDropEvent (this=0x7ffc1e3b2840, e=0x7ffc1e3b2c70, parent=0x2125df0) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragDropEvent.cpp:33
#9  0x00007efd661b9ea4 in DeclarativeDropArea::dragLeaveEvent (this=0x2125df0, event=<optimized out>) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDropArea.cpp:44
#10 0x00007efd8f8e57a2 in QGraphicsItem::sceneEvent (this=this@entry=0x2125e00, event=event@entry=0x7ffc1e3b2c70) at graphicsview/qgraphicsitem.cpp:6734
#11 0x00007efd91b9d7c4 in QDeclarativeItem::sceneEvent (this=0x2125df0, event=0x7ffc1e3b2c70) at graphicsitems/qdeclarativeitem.cpp:3081
#12 0x00007efd8f90c267 in QGraphicsScenePrivate::sendDragDropEvent (this=this@entry=0x18bc4c0, item=0x2125e00, dragDropEvent=0x7ffc1e3b2c70) at graphicsview/qgraphicsscene.cpp:1250
#13 0x00007efd8f90c29f in QGraphicsScene::dragLeaveEvent (this=<optimized out>, event=<optimized out>) at graphicsview/qgraphicsscene.cpp:3738
#14 0x00007efd8f921290 in QGraphicsScene::event (this=0x18bc3e0, event=0x7ffc1e3b2c70) at graphicsview/qgraphicsscene.cpp:3406
#15 0x00007efd8f33be2c in QApplicationPrivate::notify_helper (this=this@entry=0x1771ad0, receiver=receiver@entry=0x18bc3e0, e=e@entry=0x7ffc1e3b2c70) at kernel/qapplication.cpp:4567
#16 0x00007efd8f3424a0 in QApplication::notify (this=this@entry=0x1765d60, receiver=receiver@entry=0x18bc3e0, e=e@entry=0x7ffc1e3b2c70) at kernel/qapplication.cpp:4353
#17 0x00007efd90c67cca in KApplication::notify (this=0x1765d60, receiver=0x18bc3e0, event=0x7ffc1e3b2c70) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x00007efd8ffa24dd in QCoreApplication::notifyInternal (this=0x1765d60, receiver=0x18bc3e0, event=event@entry=0x7ffc1e3b2c70) at kernel/qcoreapplication.cpp:953
#19 0x00007efd8f939128 in sendEvent (event=0x7ffc1e3b2c70, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#20 QGraphicsView::dragLeaveEvent (this=<optimized out>, event=0x7ffc1e3b3080) at graphicsview/qgraphicsview.cpp:2990
#21 0x00007efd8f38b283 in QWidget::event (this=this@entry=0x30d6b70, event=event@entry=0x7ffc1e3b3080) at kernel/qwidget.cpp:8589
#22 0x00007efd8f72d04e in QFrame::event (this=0x30d6b70, e=0x7ffc1e3b3080) at widgets/qframe.cpp:557
#23 0x00007efd8f938859 in QGraphicsView::viewportEvent (this=0x30d6b70, event=0x7ffc1e3b3080) at graphicsview/qgraphicsview.cpp:2866
#24 0x00007efd8ffa2646 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x1771ad0, receiver=receiver@entry=0x2e42a40, event=event@entry=0x7ffc1e3b3080) at kernel/qcoreapplication.cpp:1063
#25 0x00007efd8f33be0c in QApplicationPrivate::notify_helper (this=this@entry=0x1771ad0, receiver=receiver@entry=0x2e42a40, e=e@entry=0x7ffc1e3b3080) at kernel/qapplication.cpp:4563
#26 0x00007efd8f343326 in QApplication::notify (this=this@entry=0x1765d60, receiver=receiver@entry=0x2e42a40, e=e@entry=0x7ffc1e3b3080) at kernel/qapplication.cpp:4353
#27 0x00007efd90c67cca in KApplication::notify (this=0x1765d60, receiver=0x2e42a40, event=0x7ffc1e3b3080) at ../../kdeui/kernel/kapplication.cpp:311
#28 0x00007efd8ffa24dd in QCoreApplication::notifyInternal (this=0x1765d60, receiver=0x2e42a40, event=0x7ffc1e3b3080) at kernel/qcoreapplication.cpp:953
#29 0x00007efd8f3c370e in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#30 QX11Data::xdndHandleLeave (this=0x7ffc1e3b27b0, w=0x55aa530, xe=0x7ffc1e3b30d0) at kernel/qdnd_x11.cpp:1068
#31 0x00007efd8f3c3850 in qt_xdnd_send_leave () at kernel/qdnd_x11.cpp:1107
#32 0x00007efd8f3c3c5a in qt_xdnd_send_leave () at kernel/qdnd_x11.cpp:1410
#33 QDragManager::cancel (this=0x3336cc0, deleteSource=deleteSource@entry=false) at kernel/qdnd_x11.cpp:1411
#34 0x00007efd8f34cbda in QDrag::~QDrag (this=0x4e9c900, __in_chrg=<optimized out>) at kernel/qdrag.cpp:132
#35 0x00007efd8f34cbf9 in QDrag::~QDrag (this=0x4e9c900, __in_chrg=<optimized out>) at kernel/qdrag.cpp:133
#36 0x00007efd8ffb9168 in QObjectPrivate::deleteChildren (this=this@entry=0x4a03da0) at kernel/qobject.cpp:1907
#37 0x00007efd8f387d47 in QWidget::~QWidget (this=0x49dfca0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1679
#38 0x00007efd8f388059 in QWidget::~QWidget (this=0x49dfca0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1703
#39 0x00007efd8ffb9168 in QObjectPrivate::deleteChildren (this=this@entry=0x49aca50) at kernel/qobject.cpp:1907
#40 0x00007efd8f387d47 in QWidget::~QWidget (this=0x493d6b0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1679
#41 0x00007efd8f9329d5 in QGraphicsView::~QGraphicsView (this=0x493d6b0, __in_chrg=<optimized out>) at graphicsview/qgraphicsview.cpp:1158
#42 0x00007efd8f932a09 in QGraphicsView::~QGraphicsView (this=0x493d6b0, __in_chrg=<optimized out>) at graphicsview/qgraphicsview.cpp:1164
#43 0x00007efd936f3a14 in ControllerWindow::~ControllerWindow (this=0x3800d60, __in_chrg=<optimized out>) at ../../../../plasma/desktop/shell/controllerwindow.cpp:107
#44 0x00007efd936f3a69 in ControllerWindow::~ControllerWindow (this=0x3800d60, __in_chrg=<optimized out>) at ../../../../plasma/desktop/shell/controllerwindow.cpp:108
#45 0x00007efd8ffbac58 in QObject::event (this=this@entry=0x3800d60, e=e@entry=0x418e890) at kernel/qobject.cpp:1175
#46 0x00007efd8f38b56b in QWidget::event (this=0x3800d60, event=0x418e890) at kernel/qwidget.cpp:8846
#47 0x00007efd8f33be2c in QApplicationPrivate::notify_helper (this=this@entry=0x1771ad0, receiver=receiver@entry=0x3800d60, e=e@entry=0x418e890) at kernel/qapplication.cpp:4567
#48 0x00007efd8f3424a0 in QApplication::notify (this=this@entry=0x1765d60, receiver=receiver@entry=0x3800d60, e=e@entry=0x418e890) at kernel/qapplication.cpp:4353
#49 0x00007efd90c67cca in KApplication::notify (this=0x1765d60, receiver=0x3800d60, event=0x418e890) at ../../kdeui/kernel/kapplication.cpp:311
#50 0x00007efd8ffa24dd in QCoreApplication::notifyInternal (this=0x1765d60, receiver=receiver@entry=0x3800d60, event=event@entry=0x418e890) at kernel/qcoreapplication.cpp:953
#51 0x00007efd8ffa5b3d in sendEvent (event=0x418e890, receiver=0x3800d60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#52 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x16e4090) at kernel/qcoreapplication.cpp:1577
#53 0x00007efd8ffa5fe3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470
#54 0x00007efd8ffcff83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#55 postEventSourceDispatch (s=0x1759c60) at kernel/qeventdispatcher_glib.cpp:287
#56 0x00007efd86c1ee04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#57 0x00007efd86c1f048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#58 0x00007efd86c1f0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#59 0x00007efd8ffcf7a1 in QEventDispatcherGlib::processEvents (this=0x16e5990, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#60 0x00007efd8f3ddbe6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#61 0x00007efd8ffa10af in QEventLoop::processEvents (this=this@entry=0x4c1f180, flags=...) at kernel/qeventloop.cpp:149
#62 0x00007efd8ffa13a5 in QEventLoop::exec (this=this@entry=0x4c1f180, flags=...) at kernel/qeventloop.cpp:204
#63 0x00007efd8f3c60bd in QDragManager::drag (this=0x3336cc0, o=o@entry=0x4e9c900) at kernel/qdnd_x11.cpp:2032
#64 0x00007efd8f34ce3a in QDrag::exec (this=this@entry=0x4e9c900, supportedActions=..., defaultDropAction=Qt::MoveAction) at kernel/qdrag.cpp:284
#65 0x00007efd661b9c68 in DeclarativeDragArea::mouseMoveEvent (this=0x4fbd410, event=<optimized out>) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragArea.cpp:233
#66 0x00007efd661b9d21 in DeclarativeDragArea::sceneEventFilter (this=0x4fbd410, item=0x4f94290, event=0x7ffc1e3b4070) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragArea.cpp:245
#67 0x00007efd8f907b25 in QGraphicsScenePrivate::filterDescendantEvent (this=this@entry=0x18bc4c0, item=item@entry=0x4f94290, event=event@entry=0x7ffc1e3b4070) at graphicsview/qgraphicsscene.cpp:1159
#68 0x00007efd8f90c14e in QGraphicsScenePrivate::sendEvent (this=0x18bc4c0, item=0x4f94290, event=0x7ffc1e3b4070) at graphicsview/qgraphicsscene.cpp:1211
#69 0x00007efd8f90c64f in QGraphicsScenePrivate::sendMouseEvent (this=0x18bc4c0, mouseEvent=0x7ffc1e3b4070) at graphicsview/qgraphicsscene.cpp:1295
#70 0x00007efd8f915216 in QGraphicsScene::mouseMoveEvent (this=<optimized out>, mouseEvent=0x7ffc1e3b4070) at graphicsview/qgraphicsscene.cpp:4102
#71 0x00007efd8f9210fc in QGraphicsScene::event (this=0x18bc3e0, event=0x7ffc1e3b4070) at graphicsview/qgraphicsscene.cpp:3451
#72 0x00007efd8f33be2c in QApplicationPrivate::notify_helper (this=this@entry=0x1771ad0, receiver=receiver@entry=0x18bc3e0, e=e@entry=0x7ffc1e3b4070) at kernel/qapplication.cpp:4567
#73 0x00007efd8f3424a0 in QApplication::notify (this=this@entry=0x1765d60, receiver=receiver@entry=0x18bc3e0, e=e@entry=0x7ffc1e3b4070) at kernel/qapplication.cpp:4353
#74 0x00007efd90c67cca in KApplication::notify (this=0x1765d60, receiver=0x18bc3e0, event=0x7ffc1e3b4070) at ../../kdeui/kernel/kapplication.cpp:311
#75 0x00007efd8ffa24dd in QCoreApplication::notifyInternal (this=0x1765d60, receiver=0x18bc3e0, event=event@entry=0x7ffc1e3b4070) at kernel/qcoreapplication.cpp:953
#76 0x00007efd8f33a556 in sendSpontaneousEvent (event=event@entry=0x7ffc1e3b4070, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#77 qt_sendSpontaneousEvent (receiver=<optimized out>, event=event@entry=0x7ffc1e3b4070) at kernel/qapplication.cpp:5565
#78 0x00007efd8f9362fc in QGraphicsViewPrivate::mouseMoveEventHandler (this=this@entry=0x49aca50, event=event@entry=0x7ffc1e3b46c0) at graphicsview/qgraphicsview.cpp:646
#79 0x00007efd8f93720a in QGraphicsView::mouseMoveEvent (this=0x493d6b0, event=0x7ffc1e3b46c0) at graphicsview/qgraphicsview.cpp:3276
#80 0x00007efd8f38b645 in QWidget::event (this=this@entry=0x493d6b0, event=event@entry=0x7ffc1e3b46c0) at kernel/qwidget.cpp:8361
#81 0x00007efd8f72d04e in QFrame::event (this=0x493d6b0, e=0x7ffc1e3b46c0) at widgets/qframe.cpp:557
#82 0x00007efd8f938859 in QGraphicsView::viewportEvent (this=0x493d6b0, event=0x7ffc1e3b46c0) at graphicsview/qgraphicsview.cpp:2866
#83 0x00007efd8ffa2646 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x1771ad0, receiver=receiver@entry=0x49dfca0, event=event@entry=0x7ffc1e3b46c0) at kernel/qcoreapplication.cpp:1063
#84 0x00007efd8f33be0c in QApplicationPrivate::notify_helper (this=this@entry=0x1771ad0, receiver=receiver@entry=0x49dfca0, e=e@entry=0x7ffc1e3b46c0) at kernel/qapplication.cpp:4563
#85 0x00007efd8f3425dd in QApplication::notify (this=this@entry=0x1765d60, receiver=receiver@entry=0x49dfca0, e=e@entry=0x7ffc1e3b46c0) at kernel/qapplication.cpp:4110
#86 0x00007efd90c67cca in KApplication::notify (this=0x1765d60, receiver=0x49dfca0, event=0x7ffc1e3b46c0) at ../../kdeui/kernel/kapplication.cpp:311
#87 0x00007efd8ffa24dd in QCoreApplication::notifyInternal (this=0x1765d60, receiver=receiver@entry=0x49dfca0, event=event@entry=0x7ffc1e3b46c0) at kernel/qcoreapplication.cpp:953
#88 0x00007efd8f341d93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#89 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x49dfca0, event=event@entry=0x7ffc1e3b46c0, alienWidget=alienWidget@entry=0x49dfca0, nativeWidget=nativeWidget@entry=0x3800d60, buttonDown=buttonDown@entry=0x7efd8fe21318 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#90 0x00007efd8f3b69eb in QETWidget::translateMouseEvent (this=this@entry=0x3800d60, event=event@entry=0x7ffc1e3b4a40) at kernel/qapplication_x11.cpp:4634
#91 0x00007efd8f3b6289 in QApplication::x11ProcessEvent (this=0x1765d60, event=event@entry=0x7ffc1e3b4a40) at kernel/qapplication_x11.cpp:3627
#92 0x00007efd8f3ddb32 in x11EventSourceDispatch (s=0x1772000, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#93 0x00007efd86c1ee04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#94 0x00007efd86c1f048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#95 0x00007efd86c1f0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#96 0x00007efd8ffcf7a1 in QEventDispatcherGlib::processEvents (this=0x16e5990, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#97 0x00007efd8f3ddbe6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#98 0x00007efd8ffa10af in QEventLoop::processEvents (this=this@entry=0x7ffc1e3b4e10, flags=...) at kernel/qeventloop.cpp:149
#99 0x00007efd8ffa13a5 in QEventLoop::exec (this=this@entry=0x7ffc1e3b4e10, flags=...) at kernel/qeventloop.cpp:204
#100 0x00007efd8ffa6b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#101 0x00007efd8f33a37c in QApplication::exec () at kernel/qapplication.cpp:3828
#102 0x00007efd9370267c in kdemain (argc=1, argv=0x7ffc1e3b5068) at ../../../../plasma/desktop/shell/main.cpp:126
#103 0x00007efd93322ec5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, argv=0x7ffc1e3b5068, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc1e3b5058) at libc-start.c:287
#104 0x000000000040070e in _start ()

Possible duplicates by query: bug 350690, bug 348968, bug 347568, bug 347371, bug 347139.

Reported using DrKonqi