Bug 287792

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic x86_64
Distribution: Ubuntu 11.10

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

When I quit plasma-desktop with kquitapp plasma-desktop (or otherwise), it crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f26939007c0 (LWP 1959))]

Thread 6 (Thread 0x7f266c0d1700 (LWP 1980)):
#0  0x00007f2688284034 in __pthread_mutex_lock (mutex=0x2484e98) at pthread_mutex_lock.c:61
#1  0x00007f2687774023 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2687774dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2687775429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f26903dbf3e in QEventDispatcherGlib::processEvents (this=0x2484960, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f26903afcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f26903afef7 in QEventLoop::exec (this=0x7f266c0d0cd0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f26902c727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007f2690392cbf in QInotifyFileSystemWatcherEngine::run (this=0x2083e20) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f26902c9d05 in QThreadPrivate::start (arg=0x2083e20) at thread/qthread_unix.cpp:331
#10 0x00007f2684a8e56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007f2688281efc in start_thread (arg=0x7f266c0d1700) at pthread_create.c:304
#12 0x00007f26931f589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f266b4a4700 (LWP 1981)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f266b4a39f0 in ?? ()
#2  0x00007fff3d3ff7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 4 (Thread 0x7f2661e1d700 (LWP 2006)):
#0  0x00007f2688284034 in __pthread_mutex_lock (mutex=0x2dfec08) at pthread_mutex_lock.c:61
#1  0x00007f2687773839 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2687774f9a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2687775792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f26628fb516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f268779a2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f2684a8e56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#7  0x00007f2688281efc in start_thread (arg=0x7f2661e1d700) at pthread_create.c:304
#8  0x00007f26931f589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f265ef4e700 (LWP 2438)):
#0  0x00007f2693203a90 in pthread_mutex_lock (mutex=0x2c35548) at forward.c:182
#1  0x00007f2687775414 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f26903dbf3e in QEventDispatcherGlib::processEvents (this=0x400fcb0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#3  0x00007f26903afcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#4  0x00007f26903afef7 in QEventLoop::exec (this=0x7f265ef4dd00, flags=...) at kernel/qeventloop.cpp:201
#5  0x00007f26902c727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#6  0x00007f26902c9d05 in QThreadPrivate::start (arg=0x3edc210) at thread/qthread_unix.cpp:331
#7  0x00007f2684a8e56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#8  0x00007f2688281efc in start_thread (arg=0x7f265ef4e700) at pthread_create.c:304
#9  0x00007f26931f589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f266261e700 (LWP 2784)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f268d3e0fe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f268d3e1019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f2684a8e56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007f2688281efc in start_thread (arg=0x7f266261e700) at pthread_create.c:304
#5  0x00007f26931f589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f26939007c0 (LWP 1959)):
[KCrash Handler]
#6  QGraphicsLayoutItem::setParentLayoutItem (this=0x3203230, parent=0x0) at graphicsview/qgraphicslayoutitem.cpp:856
#7  0x00007f267740acdf in SystemTray::CompactLayout::removeItem (this=0x2202fe0, item=0x3203230) at ../../../../../plasma/generic/applets/systemtray/ui/compactlayout.cpp:127
#8  0x00007f267740ebc7 in SystemTray::TaskArea::addWidgetForTask (this=0x2203390, task=0x3ea4ae0) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:280
#9  0x00007f267740f926 in SystemTray::TaskArea::addTask (this=0x2203390, task=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#10 0x00007f2677410124 in SystemTray::TaskArea::qt_metacall (this=0x2203390, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff3d3c7380) at ./taskarea.moc:89
#11 0x00007f26903c3eba in QMetaObject::activate (sender=0x191def0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff3d3c7380) at kernel/qobject.cpp:3278
#12 0x00007f26773f28c2 in SystemTray::Manager::taskChanged (this=<optimized out>, _t1=0x3ea4ae0) at ./manager.moc:106
#13 0x00007f26773f2c24 in SystemTray::Manager::qt_metacall (this=0x191def0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff3d3c7490) at ./manager.moc:84
#14 0x00007f26903c3eba in QMetaObject::activate (sender=0x3ea4ae0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff3d3c7490) at kernel/qobject.cpp:3278
#15 0x00007f26773f345f in SystemTray::Task::changed (this=<optimized out>, _t1=0x3ea4ae0) at ./task.moc:112
#16 0x00007f26773f3731 in SystemTray::Task::widgetDeleted (this=0x3ea4ae0) at ../../../../../plasma/generic/applets/systemtray/core/task.cpp:129
#17 0x00007f26773f39f4 in SystemTray::Task::qt_metacall (this=0x3ea4ae0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff3d3c7620) at ./task.moc:100
#18 0x00007f26773f4430 in SystemTray::FdoTask::qt_metacall (this=0x3ea4ae0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff3d3c7620) at ./fdotask.moc:67
#19 0x00007f26903c3eba in QMetaObject::activate (sender=0x3203210, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff3d3c7620) at kernel/qobject.cpp:3278
#20 0x00007f26903c436f in QObject::destroyed (this=<optimized out>, _t1=0x3203210) at .moc/release-shared/moc_qobject.cpp:149
#21 0x00007f26903c7ef7 in QObject::~QObject (this=0x3203210, __in_chrg=<optimized out>) at kernel/qobject.cpp:843
#22 0x00007f268fd83548 in ~QGraphicsObject (this=0x3203210, __in_chrg=<optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#23 QGraphicsWidget::~QGraphicsWidget (this=0x3203210, __in_chrg=<optimized out>) at graphicsview/qgraphicswidget.cpp:232
#24 0x00007f26773f4709 in SystemTray::FdoGraphicsWidget::~FdoGraphicsWidget (this=0x3203210, __in_chrg=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/protocols/fdo/fdographicswidget.cpp:77
#25 0x00007f268fd33dc6 in QGraphicsItem::~QGraphicsItem (this=0x1b966d0, __in_chrg=<optimized out>) at graphicsview/qgraphicsitem.cpp:1488
#26 0x00007f268fd83540 in ~QGraphicsObject (this=0x1b966c0, __in_chrg=<optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#27 QGraphicsWidget::~QGraphicsWidget (this=0x1b966c0, __in_chrg=<optimized out>) at graphicsview/qgraphicswidget.cpp:232
#28 0x00007f267740d439 in SystemTray::TaskArea::~TaskArea (this=0x1b966c0, __in_chrg=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:147
#29 0x00007f2677405b4d in SystemTray::Applet::~Applet (this=0x1928710, __in_chrg=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:145
#30 0x00007f2677405d59 in SystemTray::Applet::~Applet (this=0x1928710, __in_chrg=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:163
#31 0x00007f2692d035ef in qDeleteAll<QList<Plasma::Applet*>::const_iterator> (end=<optimized out>, begin=<optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#32 qDeleteAll<QList<Plasma::Applet*> > (c=...) at /usr/include/qt4/QtCore/qalgorithms.h:330
#33 ~ContainmentPrivate (this=0x19266d0, __in_chrg=<optimized out>) at ../../plasma/private/containment_p.h:70
#34 Plasma::Containment::~Containment (this=0x193b5d0, __in_chrg=<optimized out>) at ../../plasma/containment.cpp:148
#35 0x00007f2678329b39 in Panel::~Panel (this=0x193b5d0, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/containments/panel/panel.cpp:129
#36 0x00007f2692d169f7 in qDeleteAll<QList<Plasma::Containment*>::const_iterator> (end=<optimized out>, begin=<optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#37 qDeleteAll<QList<Plasma::Containment*> > (c=...) at /usr/include/qt4/QtCore/qalgorithms.h:330
#38 Plasma::CoronaPrivate::~CoronaPrivate (this=0x16a70f0, __in_chrg=<optimized out>) at ../../plasma/corona.cpp:805
#39 0x00007f2692d16c24 in Plasma::Corona::~Corona (this=0x1612e80, __in_chrg=<optimized out>) at ../../plasma/corona.cpp:82
#40 0x00007f26934e8829 in DesktopCorona::~DesktopCorona (this=0x1612e80, __in_chrg=<optimized out>) at ../../../../plasma/desktop/shell/desktopcorona.cpp:73
#41 0x00007f269350a146 in PlasmaApp::cleanup (this=0x15de5f0) at ../../../../plasma/desktop/shell/plasmaapp.cpp:381
#42 0x00007f269350a280 in PlasmaApp::quit (this=<optimized out>) at ../../../../plasma/desktop/shell/plasmaapp.cpp:342
#43 0x00007f269351f2c8 in PlasmaAppAdaptor::qt_metacall (this=0x16c4330, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0x7fff3d3c7c70) at appadaptor.moc:124
#44 0x00007f26907080e9 in QDBusConnectionPrivate::deliverCall (this=0x15df200, object=0x16c4330, msg=..., metaTypes=..., slotIdx=10) at qdbusintegrator.cpp:942
#45 0x00007f269070919b in QDBusConnectionPrivate::activateCall (this=0x15df200, object=0x16c4330, flags=337, msg=...) at qdbusintegrator.cpp:845
#46 0x00007f2690709a3b in QDBusConnectionPrivate::activateObject (this=0x15df200, node=..., msg=..., pathStartPos=<optimized out>) at qdbusintegrator.cpp:1402
#47 0x00007f2690709bf8 in QDBusActivateObjectEvent::placeMetaCall (this=0x3418a80) at qdbusintegrator.cpp:1524
#48 0x00007f26903c7a5e in QObject::event (this=0x15de5f0, e=<optimized out>) at kernel/qobject.cpp:1217
#49 0x00007f268f7652d4 in QApplication::event (this=0x15de5f0, e=0x3418a80) at kernel/qapplication.cpp:2527
#50 0x00007f268f761424 in notify_helper (e=0x3418a80, receiver=0x15de5f0, this=0x15ea960) at kernel/qapplication.cpp:4486
#51 QApplicationPrivate::notify_helper (this=0x15ea960, receiver=0x15de5f0, e=0x3418a80) at kernel/qapplication.cpp:4458
#52 0x00007f268f766291 in QApplication::notify (this=0x15de5f0, receiver=0x15de5f0, e=0x3418a80) at kernel/qapplication.cpp:4365
#53 0x00007f269105f126 in KApplication::notify (this=0x15de5f0, receiver=0x15de5f0, event=0x3418a80) at ../../kdeui/kernel/kapplication.cpp:311
#54 0x00007f26903b0afc in QCoreApplication::notifyInternal (this=0x15de5f0, receiver=0x15de5f0, event=0x3418a80) at kernel/qcoreapplication.cpp:787
#55 0x00007f26903b451f in sendEvent (event=0x3418a80, receiver=0x15de5f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#56 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x152d430) at kernel/qcoreapplication.cpp:1428
#57 0x00007f26903dba73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#58 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#59 0x00007f2687774a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#60 0x00007f2687775258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#61 0x00007f2687775429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#62 0x00007f26903dbed6 in QEventDispatcherGlib::processEvents (this=0x152ef40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#63 0x00007f268f80907e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#64 0x00007f26903afcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#65 0x00007f26903afef7 in QEventLoop::exec (this=0x7fff3d3c8790, flags=...) at kernel/qeventloop.cpp:201
#66 0x00007f268fb98711 in QMenu::exec (this=<optimized out>, p=..., action=0x0) at widgets/qmenu.cpp:2049
#67 0x00007f2692d0c35f in contextMenuEvent (event=0x7fff3d3c8e50, this=<optimized out>) at ../../plasma/containment.cpp:663
#68 Plasma::Containment::contextMenuEvent (this=<optimized out>, event=0x7fff3d3c8e50) at ../../plasma/containment.cpp:618
#69 0x00007f268fd287b5 in QGraphicsItem::sceneEvent (this=0x1c86db0, event=0x7fff3d3c8e50) at graphicsview/qgraphicsitem.cpp:6700
#70 0x00007f268fd5075e in QGraphicsScene::contextMenuEvent (this=<optimized out>, contextMenuEvent=0x7fff3d3c8e50) at graphicsview/qgraphicsscene.cpp:3609
#71 0x00007f268fd5f834 in QGraphicsScene::event (this=0x1612e80, event=0x7fff3d3c8e50) at graphicsview/qgraphicsscene.cpp:3407
#72 0x00007f268f761424 in notify_helper (e=0x7fff3d3c8e50, receiver=0x1612e80, this=0x15ea960) at kernel/qapplication.cpp:4486
#73 QApplicationPrivate::notify_helper (this=0x15ea960, receiver=0x1612e80, e=0x7fff3d3c8e50) at kernel/qapplication.cpp:4458
#74 0x00007f268f766291 in QApplication::notify (this=0x15de5f0, receiver=0x1612e80, e=0x7fff3d3c8e50) at kernel/qapplication.cpp:4365
#75 0x00007f269105f126 in KApplication::notify (this=0x15de5f0, receiver=0x1612e80, event=0x7fff3d3c8e50) at ../../kdeui/kernel/kapplication.cpp:311
#76 0x00007f26903b0afc in QCoreApplication::notifyInternal (this=0x15de5f0, receiver=0x1612e80, event=0x7fff3d3c8e50) at kernel/qcoreapplication.cpp:787
#77 0x00007f268fd754fb in sendEvent (event=0x7fff3d3c8e50, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#78 QGraphicsView::contextMenuEvent (this=0x250c110, event=0x7fff3d3c9560) at graphicsview/qgraphicsview.cpp:2890
#79 0x00007f268f7b1a00 in QWidget::event (this=0x250c110, event=0x7fff3d3c9560) at kernel/qwidget.cpp:8462
#80 0x00007f268fb5a4f6 in QFrame::event (this=0x250c110, e=0x7fff3d3c9560) at widgets/qframe.cpp:557
#81 0x00007f268fd7dd3b in QGraphicsView::viewportEvent (this=0x250c110, event=0x7fff3d3c9560) at graphicsview/qgraphicsview.cpp:2864
#82 0x00007f26903b0c88 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x28e0530, event=0x7fff3d3c9560) at kernel/qcoreapplication.cpp:902
#83 0x00007f268f7613ef in notify_helper (e=0x7fff3d3c9560, receiver=0x28e0530, this=0x15ea960) at kernel/qapplication.cpp:4482
#84 QApplicationPrivate::notify_helper (this=0x15ea960, receiver=0x28e0530, e=0x7fff3d3c9560) at kernel/qapplication.cpp:4458
#85 0x00007f268f766779 in QApplication::notify (this=<optimized out>, receiver=0x28e0530, e=0x7fff3d3c9560) at kernel/qapplication.cpp:4126
#86 0x00007f269105f126 in KApplication::notify (this=0x15de5f0, receiver=0x28e0530, event=0x7fff3d3c9560) at ../../kdeui/kernel/kapplication.cpp:311
#87 0x00007f26903b0afc in QCoreApplication::notifyInternal (this=0x15de5f0, receiver=0x28e0530, event=0x7fff3d3c9560) at kernel/qcoreapplication.cpp:787
#88 0x00007f268f7e19aa in sendSpontaneousEvent (event=0x7fff3d3c9560, receiver=0x28e0530) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#89 QETWidget::translateMouseEvent (this=0x250c110, event=<optimized out>) at kernel/qapplication_x11.cpp:4573
#90 0x00007f268f7e08be in QApplication::x11ProcessEvent (this=0x15de5f0, event=0x7fff3d3c9d50) at kernel/qapplication_x11.cpp:3690
#91 0x00007f268f809412 in x11EventSourceDispatch (s=0x1601d80, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#92 0x00007f2687774a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#93 0x00007f2687775258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#94 0x00007f2687775429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#95 0x00007f26903dbed6 in QEventDispatcherGlib::processEvents (this=0x152ef40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#96 0x00007f268f80907e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#97 0x00007f26903afcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#98 0x00007f26903afef7 in QEventLoop::exec (this=0x7fff3d3ca120, flags=...) at kernel/qeventloop.cpp:201
#99 0x00007f268fb98711 in QMenu::exec (this=<optimized out>, p=..., action=0x0) at widgets/qmenu.cpp:2049
#100 0x00007f2692d0c35f in contextMenuEvent (event=0x7fff3d3ca7e0, this=<optimized out>) at ../../plasma/containment.cpp:663
#101 Plasma::Containment::contextMenuEvent (this=<optimized out>, event=0x7fff3d3ca7e0) at ../../plasma/containment.cpp:618
#102 0x00007f268fd287b5 in QGraphicsItem::sceneEvent (this=0x1c86db0, event=0x7fff3d3ca7e0) at graphicsview/qgraphicsitem.cpp:6700
#103 0x00007f268fd5075e in QGraphicsScene::contextMenuEvent (this=<optimized out>, contextMenuEvent=0x7fff3d3ca7e0) at graphicsview/qgraphicsscene.cpp:3609
#104 0x00007f268fd5f834 in QGraphicsScene::event (this=0x1612e80, event=0x7fff3d3ca7e0) at graphicsview/qgraphicsscene.cpp:3407
#105 0x00007f268f761424 in notify_helper (e=0x7fff3d3ca7e0, receiver=0x1612e80, this=0x15ea960) at kernel/qapplication.cpp:4486
#106 QApplicationPrivate::notify_helper (this=0x15ea960, receiver=0x1612e80, e=0x7fff3d3ca7e0) at kernel/qapplication.cpp:4458
#107 0x00007f268f766291 in QApplication::notify (this=0x15de5f0, receiver=0x1612e80, e=0x7fff3d3ca7e0) at kernel/qapplication.cpp:4365
#108 0x00007f269105f126 in KApplication::notify (this=0x15de5f0, receiver=0x1612e80, event=0x7fff3d3ca7e0) at ../../kdeui/kernel/kapplication.cpp:311
#109 0x00007f26903b0afc in QCoreApplication::notifyInternal (this=0x15de5f0, receiver=0x1612e80, event=0x7fff3d3ca7e0) at kernel/qcoreapplication.cpp:787
#110 0x00007f268fd754fb in sendEvent (event=0x7fff3d3ca7e0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#111 QGraphicsView::contextMenuEvent (this=0x250c110, event=0x7fff3d3caef0) at graphicsview/qgraphicsview.cpp:2890
#112 0x00007f268f7b1a00 in QWidget::event (this=0x250c110, event=0x7fff3d3caef0) at kernel/qwidget.cpp:8462
#113 0x00007f268fb5a4f6 in QFrame::event (this=0x250c110, e=0x7fff3d3caef0) at widgets/qframe.cpp:557
#114 0x00007f268fd7dd3b in QGraphicsView::viewportEvent (this=0x250c110, event=0x7fff3d3caef0) at graphicsview/qgraphicsview.cpp:2864
#115 0x00007f26903b0c88 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x28e0530, event=0x7fff3d3caef0) at kernel/qcoreapplication.cpp:902
#116 0x00007f268f7613ef in notify_helper (e=0x7fff3d3caef0, receiver=0x28e0530, this=0x15ea960) at kernel/qapplication.cpp:4482
#117 QApplicationPrivate::notify_helper (this=0x15ea960, receiver=0x28e0530, e=0x7fff3d3caef0) at kernel/qapplication.cpp:4458
#118 0x00007f268f766779 in QApplication::notify (this=<optimized out>, receiver=0x28e0530, e=0x7fff3d3caef0) at kernel/qapplication.cpp:4126
#119 0x00007f269105f126 in KApplication::notify (this=0x15de5f0, receiver=0x28e0530, event=0x7fff3d3caef0) at ../../kdeui/kernel/kapplication.cpp:311
#120 0x00007f26903b0afc in QCoreApplication::notifyInternal (this=0x15de5f0, receiver=0x28e0530, event=0x7fff3d3caef0) at kernel/qcoreapplication.cpp:787
#121 0x00007f268f7e19aa in sendSpontaneousEvent (event=0x7fff3d3caef0, receiver=0x28e0530) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#122 QETWidget::translateMouseEvent (this=0x250c110, event=<optimized out>) at kernel/qapplication_x11.cpp:4573
#123 0x00007f268f7e08be in QApplication::x11ProcessEvent (this=0x15de5f0, event=0x7fff3d3cb6e0) at kernel/qapplication_x11.cpp:3690
#124 0x00007f268f809412 in x11EventSourceDispatch (s=0x1601d80, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#125 0x00007f2687774a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#126 0x00007f2687775258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#127 0x00007f2687775429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#128 0x00007f26903dbed6 in QEventDispatcherGlib::processEvents (this=0x152ef40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#129 0x00007f268f80907e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#130 0x00007f26903afcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#131 0x00007f26903afef7 in QEventLoop::exec (this=0x7fff3d3cbab0, flags=...) at kernel/qeventloop.cpp:201
#132 0x00007f26903b4789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#133 0x00007f26934f41a3 in kdemain (argc=1, argv=0x7fff3d3cbe98) at ../../../../plasma/desktop/shell/main.cpp:120
#134 0x00007f269313530d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff3d3cbe98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff3d3cbe88) at libc-start.c:226
#135 0x0000000000400671 in _start ()

Possible duplicates by query: bug 287288, bug 286371, bug 286296, bug 285763, bug 285590.

Reported using DrKonqi