Application: plasma-desktop (4.10.80)
KDE Platform Version: 4.10.90
Qt Version: 4.8.4
Operating System: Linux 3.9.0-6-generic i686
Distribution: Ubuntu Saucy Salamander (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
Just switching from one application to the other and then KDE Crashed
Conf : Kubuntu 13.10 apha1 development with KDE 4.11

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1274740 (LWP 1642))]

Thread 4 (Thread 0xada07b40 (LWP 1643)):
#0  0xb7746424 in __kernel_vsyscall ()
#1  0xb212284b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb75fad7c in __pthread_cond_wait (cond=0xb32248d0, mutex=0xb32248b8) at forward.c:149
#3  0xb3122642 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb312268f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb211ed78 in start_thread (arg=0xada07b40) at pthread_create.c:311
#6  0xb75ed3de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 3 (Thread 0xa673fb40 (LWP 1647)):
#0  0xb2009880 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb2009948 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb605babf in QEventDispatcherGlib::processEvents (this=0xa5e00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#3  0xb602abc3 in QEventLoop::processEvents (this=this@entry=0xa673f228, flags=...) at kernel/qeventloop.cpp:149
#4  0xb602aee9 in QEventLoop::exec (this=this@entry=0xa673f228, flags=...) at kernel/qeventloop.cpp:204
#5  0xb5f19efd in QThread::exec (this=this@entry=0xa76bf80) at thread/qthread.cpp:542
#6  0xb600afc4 in QInotifyFileSystemWatcherEngine::run (this=0xa76bf80) at io/qfilesystemwatcher_inotify.cpp:256
#7  0xb5f1c7ef in QThreadPrivate::start (arg=0xa76bf80) at thread/qthread_unix.cpp:338
#8  0xb211ed78 in start_thread (arg=0xa673fb40) at pthread_create.c:311
#9  0xb75ed3de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 2 (Thread 0xa5d7eb40 (LWP 1648)):
#0  0xb75fafc8 in pthread_mutex_unlock (mutex=0xa5400558) at forward.c:194
#1  0xb204c600 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb2008dce in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb20096ff in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2009948 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb605babf in QEventDispatcherGlib::processEvents (this=0xa5400468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb602abc3 in QEventLoop::processEvents (this=this@entry=0xa5d7e228, flags=...) at kernel/qeventloop.cpp:149
#7  0xb602aee9 in QEventLoop::exec (this=this@entry=0xa5d7e228, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5f19efd in QThread::exec (this=this@entry=0xa8aa520) at thread/qthread.cpp:542
#9  0xb600afc4 in QInotifyFileSystemWatcherEngine::run (this=0xa8aa520) at io/qfilesystemwatcher_inotify.cpp:256
#10 0xb5f1c7ef in QThreadPrivate::start (arg=0xa8aa520) at thread/qthread_unix.cpp:338
#11 0xb211ed78 in start_thread (arg=0xa5d7eb40) at pthread_create.c:311
#12 0xb75ed3de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 1 (Thread 0xb1274740 (LWP 1642)):
[KCrash Handler]
#7  0xae814888 in TaskManager::TasksModel::rowCount(QModelIndex const&) const () from /usr/lib/libtaskmanager.so.4abi3
#8  0xb6be95d8 in modelCount (this=0xa4a58c0) at graphicsitems/qdeclarativevisualitemmodel.cpp:381
#9  QDeclarativeVisualDataModel::setRootIndex (this=this@entry=0xa4a5870, root=...) at graphicsitems/qdeclarativevisualitemmodel.cpp:875
#10 0xb6d348d5 in QDeclarativeVisualDataModel::qt_metacall (this=0xa4a5870, _c=QMetaObject::WriteProperty, _id=4, _a=0xbf9770a0) at .moc/release-shared/moc_qdeclarativevisualitemmodel_p.cpp:473
#11 0xb6033015 in QMetaObject::metacall (object=object@entry=0xa4a5870, cl=cl@entry=QMetaObject::WriteProperty, idx=idx@entry=6, argv=argv@entry=0xbf9770a0) at kernel/qmetaobject.cpp:245
#12 0xb6c3090c in QDeclarativePropertyPrivate::write (object=0xa4a5870, property=..., value=..., context=0xa43da98, flags=...) at qml/qdeclarativeproperty.cpp:1152
#13 0xb6cc2b7b in QDeclarativeObjectScriptClass::setProperty (this=this@entry=0xa34d7a8, obj=0xa4a5870, name=@0xbf977204: 0xad14db40, value=..., context=context@entry=0xacd070f0, evalContext=<optimized out>, evalContext@entry=0x0) at qml/qdeclarativeobjectscriptclass.cpp:439
#14 0xb6cc31af in QDeclarativeObjectScriptClass::setProperty (this=0xa34d7a8, object=0xb6ab4b8, name=@0xbf977204: 0xad14db40, value=...) at qml/qdeclarativeobjectscriptclass.cpp:329
#15 0xb31a11fc in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#16 0xb3189107 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#17 0xb306b90e in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#18 0xa7aea168 in ?? ()
#19 0xb3020042 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#20 0xb30b7aa6 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#21 0xb3089ae7 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#22 0xb317fffa in QScriptValue::call(QScriptValue const&, QList<QScriptValue> const&) () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#23 0xb6c2686a in QDeclarativeQtScriptExpression::eval (this=this@entry=0xa4a5d24, secondaryScope=secondaryScope@entry=0x0, isUndefined=isUndefined@entry=0x0) at qml/qdeclarativeexpression.cpp:518
#24 0xb6c28f15 in QDeclarativeQtScriptExpression::scriptValue (this=this@entry=0xa4a5d24, secondaryScope=0x0, isUndefined=0x0) at qml/qdeclarativeexpression.cpp:470
#25 0xb6c2920a in QDeclarativeExpressionPrivate::scriptValue (this=0xa4a5cd8, secondaryScope=secondaryScope@entry=0x0, isUndefined=isUndefined@entry=0x0) at qml/qdeclarativeexpression.cpp:653
#26 0xb6c2934f in QDeclarativeExpressionPrivate::value (this=0xa4a5cd8, secondaryScope=0x0, isUndefined=isUndefined@entry=0x0) at qml/qdeclarativeexpression.cpp:667
#27 0xb6c6425f in QDeclarativeBoundSignal::qt_metacall (this=0xa4a5a88, c=QMetaObject::InvokeMetaMethod, id=5, a=0xbf977768) at qml/qdeclarativeboundsignal.cpp:199
#28 0xb6033015 in QMetaObject::metacall (object=object@entry=0xa4a5a88, cl=cl@entry=QMetaObject::InvokeMetaMethod, idx=5, argv=0xbf977768) at kernel/qmetaobject.cpp:245
#29 0xb60414bd in QMetaObject::activate (sender=sender@entry=0xa4590b0, m=m@entry=0xacc7ec98 <DialogProxy::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3558
#30 0xacc6a7a3 in visibleChanged (this=0xa4590b0) at ./dialog.moc:356
#31 DialogProxy::eventFilter (this=0xa4590b0, watched=0xa4de638, event=0xbf977a24) at ../../../../plasma/declarativeimports/core/dialog.cpp:431
#32 0xb602c21e in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0xa011ce0, receiver=receiver@entry=0xa4de638, event=event@entry=0xbf977a24) at kernel/qcoreapplication.cpp:1056
#33 0xb553bd31 in QApplicationPrivate::notify_helper (this=0xa011ce0, receiver=0xa4de638, e=0xbf977a24) at kernel/qapplication.cpp:4563
#34 0xb5542833 in QApplication::notify (this=0x9ffd2e0, receiver=receiver@entry=0xa4de638, e=e@entry=0xbf977a24) at kernel/qapplication.cpp:4353
#35 0xb669de24 in KApplication::notify (this=0x9ffd2e0, receiver=0xa4de638, event=0xbf977a24) at ../../kdeui/kernel/kapplication.cpp:311
#36 0xb602c0aa in QCoreApplication::notifyInternal (this=0x9ffd2e0, receiver=receiver@entry=0xa4de638, event=event@entry=0xbf977a24) at kernel/qcoreapplication.cpp:946
#37 0xb5592732 in sendEvent (event=0xbf977a24, receiver=0xa4de638) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#38 QWidgetPrivate::show_helper (this=<optimized out>) at kernel/qwidget.cpp:7555
#39 0xb55946bd in QWidget::setVisible (this=0xa4de638, visible=true) at kernel/qwidget.cpp:7777
#40 0xacc6afa0 in DialogProxy::setVisible (this=this@entry=0xa4590b0, visible=true) at ../../../../plasma/declarativeimports/core/dialog.cpp:215
#41 0xacc6c2d2 in DialogProxy::qt_metacall (this=0xa4590b0, _c=QMetaObject::WriteProperty, _id=1, _a=0xbf977c60) at ./dialog.moc:323
#42 0xb6c125f8 in QDeclarativeVMEMetaObject::metaCall (this=0xa010460, c=QMetaObject::WriteProperty, _id=42, a=0xbf977c60) at qml/qdeclarativevmemetaobject.cpp:673
#43 0xb6033015 in QMetaObject::metacall (object=object@entry=0xa4590b0, cl=cl@entry=QMetaObject::WriteProperty, idx=idx@entry=42, argv=argv@entry=0xbf977c60) at kernel/qmetaobject.cpp:245
#44 0xb6c3090c in QDeclarativePropertyPrivate::write (object=0xa4590b0, property=..., value=..., context=0xbed6e30, flags=...) at qml/qdeclarativeproperty.cpp:1152
#45 0xb6cc2b7b in QDeclarativeObjectScriptClass::setProperty (this=this@entry=0xa34d7a8, obj=0xa4590b0, name=@0xbf977dc4: 0xad112ca8, value=..., context=context@entry=0xacd07048, evalContext=<optimized out>, evalContext@entry=0x0) at qml/qdeclarativeobjectscriptclass.cpp:439
#46 0xb6cc31af in QDeclarativeObjectScriptClass::setProperty (this=0xa34d7a8, object=0xa1c5c98, name=@0xbf977dc4: 0xad112ca8, value=...) at qml/qdeclarativeobjectscriptclass.cpp:329
#47 0xb31a11fc in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#48 0xb3189107 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#49 0xb306b90e in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#50 0xa4ba4330 in ?? ()
#51 0xb3020042 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#52 0xb30b7aa6 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#53 0xb3089ae7 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#54 0xb317fffa in QScriptValue::call(QScriptValue const&, QList<QScriptValue> const&) () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#55 0xb6c2686a in QDeclarativeQtScriptExpression::eval (this=this@entry=0xc1ea6bc, secondaryScope=secondaryScope@entry=0xc102820, isUndefined=isUndefined@entry=0x0) at qml/qdeclarativeexpression.cpp:518
#56 0xb6c28f15 in QDeclarativeQtScriptExpression::scriptValue (this=this@entry=0xc1ea6bc, secondaryScope=0xc102820, isUndefined=0x0) at qml/qdeclarativeexpression.cpp:470
#57 0xb6c2920a in QDeclarativeExpressionPrivate::scriptValue (this=0xc1ea670, secondaryScope=secondaryScope@entry=0xc102820, isUndefined=isUndefined@entry=0x0) at qml/qdeclarativeexpression.cpp:653
#58 0xb6c2934f in QDeclarativeExpressionPrivate::value (this=0xc1ea670, secondaryScope=0xc102820, isUndefined=isUndefined@entry=0x0) at qml/qdeclarativeexpression.cpp:667
#59 0xb6c6425f in QDeclarativeBoundSignal::qt_metacall (this=0xb617610, c=QMetaObject::InvokeMetaMethod, id=5, a=0xbf9783c8) at qml/qdeclarativeboundsignal.cpp:199
#60 0xb6033015 in QMetaObject::metacall (object=object@entry=0xb617610, cl=cl@entry=QMetaObject::InvokeMetaMethod, idx=5, argv=0xbf9783c8) at kernel/qmetaobject.cpp:245
#61 0xb60414bd in QMetaObject::activate (sender=sender@entry=0xc212760, m=m@entry=0xaccf5d94 <MouseEventListener::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0xbf9783c8) at kernel/qobject.cpp:3558
#62 0xaccec582 in clicked (_t1=0xbf9783ec, this=0xc212760) at ./mouseeventlistener.moc:390
#63 MouseEventListener::mouseReleaseEvent (this=0xc212760, me=0xbf9788b0) at ../../../../plasma/declarativeimports/qtextracomponents/mouseeventlistener.cpp:133
#64 0xb5b86e32 in QGraphicsItem::sceneEvent (this=this@entry=0xc212768, event=event@entry=0xbf9788b0) at graphicsview/qgraphicsitem.cpp:6742
#65 0xb6bb6156 in QDeclarativeItem::sceneEvent (this=0xc212760, event=0xbf9788b0) at graphicsitems/qdeclarativeitem.cpp:3049
#66 0xb5bb0796 in QGraphicsScenePrivate::sendEvent (this=0xa0658f8, item=0xc212768, event=0xbf9788b0) at graphicsview/qgraphicsscene.cpp:1221
#67 0xb5bb0cd6 in QGraphicsScenePrivate::sendMouseEvent (this=0xa0658f8, mouseEvent=0xbf9788b0) at graphicsview/qgraphicsscene.cpp:1295
#68 0xb5bb8dde in QGraphicsScene::mouseReleaseEvent (this=0xa082290, mouseEvent=0xbf9788b0) at graphicsview/qgraphicsscene.cpp:4128
#69 0xb5bc5b5f in QGraphicsScene::event (this=0xa082290, event=0xbf9788b0) at graphicsview/qgraphicsscene.cpp:3458
#70 0xb553bd54 in QApplicationPrivate::notify_helper (this=0xa011ce0, receiver=0xa082290, e=0xbf9788b0) at kernel/qapplication.cpp:4567
#71 0xb5542833 in QApplication::notify (this=0x9ffd2e0, receiver=receiver@entry=0xa082290, e=e@entry=0xbf9788b0) at kernel/qapplication.cpp:4353
#72 0xb669de24 in KApplication::notify (this=0x9ffd2e0, receiver=0xa082290, event=0xbf9788b0) at ../../kdeui/kernel/kapplication.cpp:311
#73 0xb602c0aa in QCoreApplication::notifyInternal (this=0x9ffd2e0, receiver=receiver@entry=0xa082290, event=event@entry=0xbf9788b0) at kernel/qcoreapplication.cpp:946
#74 0xb553a1dd in sendSpontaneousEvent (event=0xbf9788b0, receiver=0xa082290) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#75 qt_sendSpontaneousEvent (receiver=0xa082290, event=event@entry=0xbf9788b0) at kernel/qapplication.cpp:5565
#76 0xb5bdf6c2 in QGraphicsView::mouseReleaseEvent (this=0xaed11f0, event=0xbf978da4) at graphicsview/qgraphicsview.cpp:3338
#77 0xb55957fa in QWidget::event (this=this@entry=0xaed11f0, event=event@entry=0xbf978da4) at kernel/qwidget.cpp:8375
#78 0xb599ab3c in QFrame::event (this=this@entry=0xaed11f0, e=e@entry=0xbf978da4) at widgets/qframe.cpp:557
#79 0xb5a28eb8 in QAbstractScrollArea::viewportEvent (this=this@entry=0xaed11f0, e=e@entry=0xbf978da4) at widgets/qabstractscrollarea.cpp:1043
#80 0xb5be0277 in QGraphicsView::viewportEvent (this=<optimized out>, event=<optimized out>) at graphicsview/qgraphicsview.cpp:2866
#81 0xb5a29136 in viewportEvent (event=0xbf978da4, this=<optimized out>) at widgets/qabstractscrollarea_p.h:100
#82 QAbstractScrollAreaFilter::eventFilter (this=0xb1ef318, o=0xb1f1f30, e=0xbf978da4) at widgets/qabstractscrollarea_p.h:116
#83 0xb602c21e in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0xa011ce0, receiver=receiver@entry=0xb1f1f30, event=event@entry=0xbf978da4) at kernel/qcoreapplication.cpp:1056
#84 0xb553bd31 in QApplicationPrivate::notify_helper (this=0xa011ce0, receiver=receiver@entry=0xb1f1f30, e=0xbf978da4) at kernel/qapplication.cpp:4563
#85 0xb5544408 in QApplication::notify (this=0x9ffd2e0, receiver=receiver@entry=0xb1f1f30, e=e@entry=0xbf978da4) at kernel/qapplication.cpp:4110
#86 0xb669de24 in KApplication::notify (this=0x9ffd2e0, receiver=0xb1f1f30, event=0xbf978da4) at ../../kdeui/kernel/kapplication.cpp:311
#87 0xb602c0aa in QCoreApplication::notifyInternal (this=0x9ffd2e0, receiver=receiver@entry=0xb1f1f30, event=event@entry=0xbf978da4) at kernel/qcoreapplication.cpp:946
#88 0xb55420b3 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#89 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0xb1f1f30, event=0xbf978da4, alienWidget=0xb1f1f30, nativeWidget=0xaed11f0, buttonDown=buttonDown@entry=0xb5eb1cc4 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#90 0xb55c5b38 in QETWidget::translateMouseEvent (this=0xaed11f0, event=event@entry=0xbf978fcc) at kernel/qapplication_x11.cpp:4631
#91 0xb55c5255 in QApplication::x11ProcessEvent (this=0x9ffd2e0, event=event@entry=0xbf978fcc) at kernel/qapplication_x11.cpp:3624
#92 0xb55f08c4 in x11EventSourceDispatch (s=0xa00eb38, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#93 0xb20094de in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#94 0xb2009888 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#95 0xb2009948 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#96 0xb605ba9f in QEventDispatcherGlib::processEvents (this=this@entry=0x9fadec0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#97 0xb55f097e in QGuiEventDispatcherGlib::processEvents (this=0x9fadec0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#98 0xb602abc3 in QEventLoop::processEvents (this=this@entry=0xbf979288, flags=...) at kernel/qeventloop.cpp:149
#99 0xb602aee9 in QEventLoop::exec (this=this@entry=0xbf979288, flags=...) at kernel/qeventloop.cpp:204
#100 0xb6030a7e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#101 0xb5539f84 in QApplication::exec () at kernel/qapplication.cpp:3828
#102 0xb7704927 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#103 0x0804855b in ?? ()
#104 0xb7515935 in __libc_start_main (main=0x8048540, argc=1, ubp_av=0xbf979424, init=0x8048670 <__libc_csu_init>, fini=0x80486e0 <__libc_csu_fini>, rtld_fini=0xb7756600 <_dl_fini>, stack_end=0xbf97941c) at libc-start.c:260
#105 0x08048581 in _start ()

Possible duplicates by query: bug 321822, bug 321712, bug 321105.

Reported using DrKonqi