Application: lancelot (1.9.5)
KDE Platform Version: 4.13.2
Qt Version: 4.8.6
Operating System: Linux 3.13.0-32-generic x86_64
Distribution: Ubuntu 14.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:

I was opening the Lancelot program starter to start a program, but Lancelot crashed before.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Lancelot (lancelot), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f144ed147c0 (LWP 2370))]

Thread 11 (Thread 0x7f142ba41700 (LWP 2371)):
#0  0x00007f144285462a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1442854989 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f14428121f8 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1442812f91 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f14428130ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f144b80c7be in QEventDispatcherGlib::processEvents (this=0x7f14240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007f144b7de0af in QEventLoop::processEvents (this=this@entry=0x7f142ba40de0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f144b7de3a5 in QEventLoop::exec (this=this@entry=0x7f142ba40de0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f144b6dac5f in QThread::exec (this=this@entry=0x2507ef0) at thread/qthread.cpp:537
#9  0x00007f144b7bf823 in QInotifyFileSystemWatcherEngine::run (this=0x2507ef0) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f144b6dd32f in QThreadPrivate::start (arg=0x2507ef0) at thread/qthread_unix.cpp:349
#11 0x00007f1443133182 in start_thread (arg=0x7f142ba41700) at pthread_create.c:312
#12 0x00007f144b09330d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7f142aedf700 (LWP 2372)):
#0  0x00007f144b0a0f14 in pthread_mutex_unlock (mutex=0x7f1418000a60) at forward.c:194
#1  0x00007f14428549c1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1442812680 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1442812f03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f14428130ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f144b80c7be in QEventDispatcherGlib::processEvents (this=0x7f14180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007f144b7de0af in QEventLoop::processEvents (this=this@entry=0x7f142aedede0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f144b7de3a5 in QEventLoop::exec (this=this@entry=0x7f142aedede0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f144b6dac5f in QThread::exec (this=this@entry=0x27e4700) at thread/qthread.cpp:537
#9  0x00007f144b7bf823 in QInotifyFileSystemWatcherEngine::run (this=0x27e4700) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f144b6dd32f in QThreadPrivate::start (arg=0x27e4700) at thread/qthread_unix.cpp:349
#11 0x00007f1443133182 in start_thread (arg=0x7f142aedf700) at pthread_create.c:312
#12 0x00007f144b09330d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7f140e029700 (LWP 2808)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f144b6dd816 in wait (time=18446744073709551615, this=0x28f4630) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x29dabd8, mutex=0x28ad1a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f14463ffe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x29dabb0, th=0x2c74c50) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f1446402903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x28ad7b0, th=0x2c74c50, previous=0x2322cf0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f144640161f in ThreadWeaver::Thread::run (this=0x2c74c50) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f144b6dd32f in QThreadPrivate::start (arg=0x2c74c50) at thread/qthread_unix.cpp:349
#7  0x00007f1443133182 in start_thread (arg=0x7f140e029700) at pthread_create.c:312
#8  0x00007f144b09330d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7f140d828700 (LWP 2809)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f144b6dd816 in wait (time=18446744073709551615, this=0x28f4630) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x29dabd8, mutex=0x28ad1a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f14463ffe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x29dabb0, th=0x2ba4c90) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f1446402903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x28ad7b0, th=0x2ba4c90, previous=0x34cfca0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f144640161f in ThreadWeaver::Thread::run (this=0x2ba4c90) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f144b6dd32f in QThreadPrivate::start (arg=0x2ba4c90) at thread/qthread_unix.cpp:349
#7  0x00007f1443133182 in start_thread (arg=0x7f140d828700) at pthread_create.c:312
#8  0x00007f144b09330d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7f140d027700 (LWP 2810)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f144b6dd816 in wait (time=18446744073709551615, this=0x28f4630) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x29dabd8, mutex=0x28ad1a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f14463ffe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x29dabb0, th=0x2c75770) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f1446402903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x28ad7b0, th=0x2c75770, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f144640291c in ThreadWeaver::WorkingHardState::applyForWork (this=0x28ad7b0, th=0x2c75770, previous=0x38572a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f144640161f in ThreadWeaver::Thread::run (this=0x2c75770) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f144b6dd32f in QThreadPrivate::start (arg=0x2c75770) at thread/qthread_unix.cpp:349
#8  0x00007f1443133182 in start_thread (arg=0x7f140d027700) at pthread_create.c:312
#9  0x00007f144b09330d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7f140c826700 (LWP 2811)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f144b6dd816 in wait (time=18446744073709551615, this=0x28f4630) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x29dabd8, mutex=0x28ad1a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f14463ffe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x29dabb0, th=0x2c35460) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f1446402903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x28ad7b0, th=0x2c35460, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f144640291c in ThreadWeaver::WorkingHardState::applyForWork (this=0x28ad7b0, th=0x2c35460, previous=0x33721e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f144640161f in ThreadWeaver::Thread::run (this=0x2c35460) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f144b6dd32f in QThreadPrivate::start (arg=0x2c35460) at thread/qthread_unix.cpp:349
#8  0x00007f1443133182 in start_thread (arg=0x7f140c826700) at pthread_create.c:312
#9  0x00007f144b09330d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f1407fff700 (LWP 2812)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f144b6dd816 in wait (time=18446744073709551615, this=0x28f4630) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x29dabd8, mutex=0x28ad1a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f14463ffe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x29dabb0, th=0x3763630) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f1446402903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x28ad7b0, th=0x3763630, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f144640291c in ThreadWeaver::WorkingHardState::applyForWork (this=0x28ad7b0, th=0x3763630, previous=0x33aeea0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f144640161f in ThreadWeaver::Thread::run (this=0x3763630) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f144b6dd32f in QThreadPrivate::start (arg=0x3763630) at thread/qthread_unix.cpp:349
#8  0x00007f1443133182 in start_thread (arg=0x7f1407fff700) at pthread_create.c:312
#9  0x00007f144b09330d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f14077fe700 (LWP 2813)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f144b6dd816 in wait (time=18446744073709551615, this=0x28f4630) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x29dabd8, mutex=0x28ad1a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f14463ffe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x29dabb0, th=0x2c96280) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f1446402903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x28ad7b0, th=0x2c96280, previous=0x335f080) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f144640161f in ThreadWeaver::Thread::run (this=0x2c96280) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f144b6dd32f in QThreadPrivate::start (arg=0x2c96280) at thread/qthread_unix.cpp:349
#7  0x00007f1443133182 in start_thread (arg=0x7f14077fe700) at pthread_create.c:312
#8  0x00007f144b09330d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f1406ffd700 (LWP 2814)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f144b6dd816 in wait (time=18446744073709551615, this=0x28f4630) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x29dabd8, mutex=0x28ad1a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f14463ffe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x29dabb0, th=0x2bcdfc0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f1446402903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x28ad7b0, th=0x2bcdfc0, previous=0x336be60) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f144640161f in ThreadWeaver::Thread::run (this=0x2bcdfc0) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f144b6dd32f in QThreadPrivate::start (arg=0x2bcdfc0) at thread/qthread_unix.cpp:349
#7  0x00007f1443133182 in start_thread (arg=0x7f1406ffd700) at pthread_create.c:312
#8  0x00007f144b09330d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f14067fc700 (LWP 2815)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f144b6dd816 in wait (time=18446744073709551615, this=0x28f4630) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x29dabd8, mutex=0x28ad1a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f14463ffe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x29dabb0, th=0x2c8c730) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f1446402903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x28ad7b0, th=0x2c8c730, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f144640291c in ThreadWeaver::WorkingHardState::applyForWork (this=0x28ad7b0, th=0x2c8c730, previous=0x33b38c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f144640161f in ThreadWeaver::Thread::run (this=0x2c8c730) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f144b6dd32f in QThreadPrivate::start (arg=0x2c8c730) at thread/qthread_unix.cpp:349
#8  0x00007f1443133182 in start_thread (arg=0x7f14067fc700) at pthread_create.c:312
#9  0x00007f144b09330d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f144ed147c0 (LWP 2370)):
[KCrash Handler]
#6  QReadWriteLock::~QReadWriteLock (this=0x25, __in_chrg=<optimized out>) at thread/qreadwritelock.cpp:137
#7  0x00007f144e33260d in ~QueryMatchPrivate (this=<optimized out>, __in_chrg=<optimized out>) at ../../plasma/querymatch.cpp:72
#8  ~QSharedDataPointer (this=<optimized out>, __in_chrg=<optimized out>) at /usr/include/qt4/QtCore/qshareddata.h:90
#9  Plasma::QueryMatch::~QueryMatch (this=0x25, __in_chrg=<optimized out>) at ../../plasma/querymatch.cpp:100
#10 0x00007f144e341cbf in Plasma::RunnerManager::run (this=0x288f680, id=...) at ../../plasma/runnermanager.cpp:598
#11 0x00007f144daf007f in Lancelot::Models::Runner::activate (this=0x27fc8d0, index=<optimized out>) at ../../../libs/lancelot-datamodels/Runner.cpp:210
#12 0x00007f144dd65e54 in Lancelot::ActionListModel::activated (this=0x27fc8d0, index=index@entry=0) at ../../../libs/lancelot/models/ActionListModel.cpp:86
#13 0x00007f144dd4f1bb in Lancelot::ActionListViewItemFactory::activate (this=0x2786a40, index=0) at ../../../libs/lancelot/widgets/ActionListView.cpp:381
#14 0x00007f144dd4fd19 in Lancelot::ActionListViewItemFactory::itemActivated (this=0x2786a40) at ../../../libs/lancelot/widgets/ActionListView.cpp:373
#15 0x00007f144dd399d5 in Lancelot::ActionListViewItemFactory::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at moc_ActionListView_p.cpp:150
#16 0x00007f144b7f387a in QMetaObject::activate (sender=sender@entry=0x2b57250, m=m@entry=0x7f144df7f2a0 <Lancelot::ExtenderButton::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#17 0x00007f144dd39b00 in Lancelot::ExtenderButton::activated (this=this@entry=0x2b57250) at moc_ExtenderButton.cpp:150
#18 0x00007f144dd44b73 in Lancelot::ExtenderButton::activate (this=0x2b57250) at ../../../libs/lancelot/widgets/ExtenderButton.cpp:419
#19 0x00007f144b7f387a in QMetaObject::activate (sender=0x2b57250, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#20 0x00007f144c535592 in QGraphicsItem::sceneEvent (this=0x2b57260, event=0x7fffa32e3150) at graphicsview/qgraphicsitem.cpp:6755
#21 0x00007f144c55c5af in QGraphicsScenePrivate::sendMouseEvent (this=0x2468520, mouseEvent=0x7fffa32e3150) at graphicsview/qgraphicsscene.cpp:1295
#22 0x00007f144c56521f in QGraphicsScene::mouseReleaseEvent (this=<optimized out>, mouseEvent=0x7fffa32e3150) at graphicsview/qgraphicsscene.cpp:4128
#23 0x00007f144c571140 in QGraphicsScene::event (this=0x2467960, event=0x7fffa32e3150) at graphicsview/qgraphicsscene.cpp:3458
#24 0x00007f144bf8be2c in QApplicationPrivate::notify_helper (this=this@entry=0x2332070, receiver=receiver@entry=0x2467960, e=e@entry=0x7fffa32e3150) at kernel/qapplication.cpp:4567
#25 0x00007f144bf924a0 in QApplication::notify (this=this@entry=0x23113f0, receiver=receiver@entry=0x2467960, e=e@entry=0x7fffa32e3150) at kernel/qapplication.cpp:4353
#26 0x00007f144d157d1a in KApplication::notify (this=0x23113f0, receiver=0x2467960, event=0x7fffa32e3150) at ../../kdeui/kernel/kapplication.cpp:311
#27 0x00007f144b7df4dd in QCoreApplication::notifyInternal (this=0x23113f0, receiver=0x2467960, event=event@entry=0x7fffa32e3150) at kernel/qcoreapplication.cpp:953
#28 0x00007f144bf8a556 in sendSpontaneousEvent (event=event@entry=0x7fffa32e3150, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#29 qt_sendSpontaneousEvent (receiver=<optimized out>, event=event@entry=0x7fffa32e3150) at kernel/qapplication.cpp:5565
#30 0x00007f144c587d97 in QGraphicsView::mouseReleaseEvent (this=this@entry=0x2455700, event=event@entry=0x7fffa32e36f0) at graphicsview/qgraphicsview.cpp:3338
#31 0x000000000041647c in LancelotWindow::mouseReleaseEvent (this=0x2455700, e=0x7fffa32e36f0) at ../../../../applets/lancelot/application/LancelotWindow.cpp:712
#32 0x00007f144bfdb50a in QWidget::event (this=this@entry=0x2455700, event=event@entry=0x7fffa32e36f0) at kernel/qwidget.cpp:8376
#33 0x00007f144c37cfce in QFrame::event (this=0x2455700, e=0x7fffa32e36f0) at widgets/qframe.cpp:557
#34 0x00007f144c5887b9 in QGraphicsView::viewportEvent (this=0x2455700, event=0x7fffa32e36f0) at graphicsview/qgraphicsview.cpp:2866
#35 0x00007f144b7df646 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x2332070, receiver=receiver@entry=0x2328730, event=event@entry=0x7fffa32e36f0) at kernel/qcoreapplication.cpp:1063
#36 0x00007f144bf8be0c in QApplicationPrivate::notify_helper (this=this@entry=0x2332070, receiver=receiver@entry=0x2328730, e=e@entry=0x7fffa32e36f0) at kernel/qapplication.cpp:4563
#37 0x00007f144bf925dd in QApplication::notify (this=this@entry=0x23113f0, receiver=receiver@entry=0x2328730, e=e@entry=0x7fffa32e36f0) at kernel/qapplication.cpp:4110
#38 0x00007f144d157d1a in KApplication::notify (this=0x23113f0, receiver=0x2328730, event=0x7fffa32e36f0) at ../../kdeui/kernel/kapplication.cpp:311
#39 0x00007f144b7df4dd in QCoreApplication::notifyInternal (this=0x23113f0, receiver=receiver@entry=0x2328730, event=event@entry=0x7fffa32e36f0) at kernel/qcoreapplication.cpp:953
#40 0x00007f144bf91d93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#41 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x2328730, event=event@entry=0x7fffa32e36f0, alienWidget=alienWidget@entry=0x2328730, nativeWidget=nativeWidget@entry=0x2455700, buttonDown=buttonDown@entry=0x7f144ca71318 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#42 0x00007f144c0069cb in QETWidget::translateMouseEvent (this=this@entry=0x2455700, event=event@entry=0x7fffa32e3a70) at kernel/qapplication_x11.cpp:4634
#43 0x00007f144c006269 in QApplication::x11ProcessEvent (this=0x23113f0, event=event@entry=0x7fffa32e3a70) at kernel/qapplication_x11.cpp:3627
#44 0x00007f144c02db02 in x11EventSourceDispatch (s=0x23318f0, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#45 0x00007f1442812e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f1442813048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f14428130ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f144b80c7a1 in QEventDispatcherGlib::processEvents (this=0x22d3af0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#49 0x00007f144c02dbb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007f144b7de0af in QEventLoop::processEvents (this=this@entry=0x7fffa32e3e40, flags=...) at kernel/qeventloop.cpp:149
#51 0x00007f144b7de3a5 in QEventLoop::exec (this=this@entry=0x7fffa32e3e40, flags=...) at kernel/qeventloop.cpp:204
#52 0x00007f144b7e3b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#53 0x00007f144bf8a37c in QApplication::exec () at kernel/qapplication.cpp:3828
#54 0x000000000040cde3 in LancelotApplication::main (argc=<optimized out>, argv=<optimized out>) at ../../../../applets/lancelot/application/LancelotApplication.cpp:113
#55 0x00007f144afb9ec5 in __libc_start_main (main=0x40cc90 <main(int, char**)>, argc=1, argv=0x7fffa32e3fa8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffa32e3f98) at libc-start.c:287
#56 0x000000000040ce17 in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 295033.

Possible duplicates by query: bug 336303, bug 336290, bug 333609, bug 331633, bug 330712.

Reported using DrKonqi