Bug 351552

Application: plasma-desktop (4.11.11)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.13.0-37-generic i686
Distribution: Linux Mint 17.1 Rebecca

-- Information about the crash:
- What I was doing when the application crashed:
I opened Lancelot (widget on the panel).
In Lancelot, I added Trunderberd favorites.
The window widget is closed yourself ....
1. The collapse of Lancelot (not clickable).
2. The collapse of the desktop (curled in micro box).
3. After the restoration, but changes to the list of favorites did not happen.
4. Then there was a window for error messages.
ALL!

-- Backtrace:
Application: Оболочка Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1377980 (LWP 2021))]

Thread 8 (Thread 0xa2091b40 (LWP 2025)):
#0  0xb7725424 in __kernel_vsyscall ()
#1  0xb21b6d4b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb75dadcc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb4a7b9ac in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb4a7b9ff in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb21b2f70 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb75cdbee in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 7 (Thread 0xa0bdab40 (LWP 2046)):
#0  0xb20dad26 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb20db118 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb2095372 in g_main_context_acquire () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2096288 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2096528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb604495f in QEventDispatcherGlib::processEvents (this=0xa0200468, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0xb6013823 in QEventLoop::processEvents (this=this@entry=0xa0bda258, flags=...) at kernel/qeventloop.cpp:149
#7  0xb6013b49 in QEventLoop::exec (this=this@entry=0xa0bda258, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5f0023d in QThread::exec (this=this@entry=0x8f86108) at thread/qthread.cpp:537
#9  0xb5ff3c44 in QInotifyFileSystemWatcherEngine::run (this=0x8f86108) at io/qfilesystemwatcher_inotify.cpp:265
#10 0xb5f02b6f in QThreadPrivate::start (arg=0x8f86108) at thread/qthread_unix.cpp:349
#11 0xb21b2f70 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb75cdbee in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 6 (Thread 0xa01ffb40 (LWP 2047)):
#0  0xb7725424 in __kernel_vsyscall ()
#1  0xb21b6d4b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb75dadcc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb30ebc92 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb30ebcdf in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb21b2f70 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb75cdbee in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0x9e0ffb40 (LWP 2049)):
#0  0xb21b616f in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb75db014 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb20db120 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2095c88 in g_main_context_query () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2096346 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb209676b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x9eb6b36a in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#7  0xb20bc9aa in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb21b2f70 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#9  0xb75cdbee in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0x9d018b40 (LWP 2055)):
#0  0xb77379c3 in ?? () from /lib/ld-linux.so.2
#1  0xb7727082 in ?? () from /lib/ld-linux.so.2
#2  0xb5f017f3 in get_thread_data () at thread/qthread_unix.cpp:188
#3  QThreadData::current () at thread/qthread_unix.cpp:219
#4  0xb6044d9b in postEventSourcePrepare (s=0x9c702800, timeout=0x9d01811c) at kernel/qeventdispatcher_glib.cpp:263
#5  0xb20959b3 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb20962df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb2096528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb604495f in QEventDispatcherGlib::processEvents (this=0x9c700468, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#9  0xb6013823 in QEventLoop::processEvents (this=this@entry=0x9d018288, flags=...) at kernel/qeventloop.cpp:149
#10 0xb6013b49 in QEventLoop::exec (this=this@entry=0x9d018288, flags=...) at kernel/qeventloop.cpp:204
#11 0xb5f0023d in QThread::exec (this=this@entry=0x8d4bec0) at thread/qthread.cpp:537
#12 0xb5f0038b in QThread::run (this=0x8d4bec0) at thread/qthread.cpp:604
#13 0xb5f02b6f in QThreadPrivate::start (arg=0x8d4bec0) at thread/qthread_unix.cpp:349
#14 0xb21b2f70 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#15 0xb75cdbee in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0x9a6efb40 (LWP 2070)):
#0  0xb7725424 in __kernel_vsyscall ()
#1  0xb75bec8b in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb20a520b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb20963e8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2096528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb604495f in QEventDispatcherGlib::processEvents (this=0x99d00468, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0xb6013823 in QEventLoop::processEvents (this=this@entry=0x9a6ef258, flags=...) at kernel/qeventloop.cpp:149
#7  0xb6013b49 in QEventLoop::exec (this=this@entry=0x9a6ef258, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5f0023d in QThread::exec (this=this@entry=0x89a2f00) at thread/qthread.cpp:537
#9  0xb5ff3c44 in QInotifyFileSystemWatcherEngine::run (this=0x89a2f00) at io/qfilesystemwatcher_inotify.cpp:265
#10 0xb5f02b6f in QThreadPrivate::start (arg=0x89a2f00) at thread/qthread_unix.cpp:349
#11 0xb21b2f70 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb75cdbee in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa70a6b40 (LWP 2973)):
#0  0xb7725424 in __kernel_vsyscall ()
#1  0xb21b6d4b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb75dadcc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb4aaa9f3 in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb4786574 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb4a917c6 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#6  0xb4aaa369 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#7  0xb21b2f70 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb75cdbee in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb1377980 (LWP 2021)):
[KCrash Handler]
#7  QMetaObject::cast (this=0xb5e920a8 <QListModel::staticMetaObject>, obj=0x11) at kernel/qmetaobject.cpp:274
#8  0xb5b158db in qobject_cast<QListModel*> (object=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:380
#9  listModel (this=0xac63608) at ../../include/QtGui/private/../../../src/gui/itemviews/qlistwidget_p.h:147
#10 QListWidget::setItemSelected (this=0x9d54b40, item=item@entry=0x8973740, select=true) at itemviews/qlistwidget.cpp:1667
#11 0xa26ca539 in setSelected (aselect=<optimized out>, this=0x8973740) at /usr/include/qt4/QtGui/qlistwidget.h:318
#12 LancelotAppletConfig::setShowingCategories (this=this@entry=0x8ce4738, ids=..., value=value@entry=false) at ../../../../applets/lancelot/launcher/LancelotAppletConfig.cpp:160
#13 0xa26c4677 in LancelotApplet::createConfigurationInterface (this=0x8ce4718, parent=0xb1567d0) at ../../../../applets/lancelot/launcher/LancelotApplet.cpp:387
#14 0xb72a8b5b in Plasma::AppletPrivate::generateGenericConfigDialog (this=0x8d94b00) at ../../plasma/applet.cpp:2064
#15 0xb72b8d6a in Plasma::Applet::showConfigurationInterface (this=0x8ce4718) at ../../plasma/applet.cpp:1999
#16 0xb72b5b5b in Plasma::Applet::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=0xbf97b388, _c=<optimized out>) at ./applet.moc:172
#17 0xb602a0f7 in QMetaObject::activate (sender=sender@entry=0x8cc15c0, m=m@entry=0xb5e7a718 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0xbf97b388) at kernel/qobject.cpp:3539
#18 0xb551972d in QAction::triggered (this=this@entry=0x8cc15c0, _t1=false) at .moc/release-shared/moc_qaction.cpp:276
#19 0xb551b324 in QAction::activate (this=this@entry=0x8cc15c0, event=event@entry=QAction::Trigger) at kernel/qaction.cpp:1257
#20 0xb59bfe7b in QMenuPrivate::activateCausedStack (this=0xb91b2d8, causedStack=..., action=0x8cc15c0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1038
#21 0xb59c4f28 in QMenuPrivate::activateAction (this=this@entry=0xb91b2d8, action=action@entry=0x8cc15c0, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1130
#22 0xb59c8f79 in QMenu::mouseReleaseEvent (this=this@entry=0xbf97bf08, e=e@entry=0xbf97b9b4) at widgets/qmenu.cpp:2372
#23 0xb6759efe in KMenu::mouseReleaseEvent (this=0xbf97bf08, e=0xbf97b9b4) at ../../kdeui/widgets/kmenu.cpp:464
#24 0xb557a40a in QWidget::event (this=this@entry=0xbf97bf08, event=event@entry=0xbf97b9b4) at kernel/qwidget.cpp:8376
#25 0xb59c943f in QMenu::event (this=0xbf97bf08, e=0xbf97b9b4) at widgets/qmenu.cpp:2481
#26 0xb55207f4 in QApplicationPrivate::notify_helper (this=0x888e4f8, receiver=receiver@entry=0xbf97bf08, e=0xbf97b9b4) at kernel/qapplication.cpp:4567
#27 0xb5528ea0 in QApplication::notify (this=0x8878e38, receiver=receiver@entry=0xbf97bf08, e=e@entry=0xbf97b9b4) at kernel/qapplication.cpp:4110
#28 0xb66891b4 in KApplication::notify (this=0x8878e38, receiver=0xbf97bf08, event=0xbf97b9b4) at ../../kdeui/kernel/kapplication.cpp:311
#29 0xb6014e4a in QCoreApplication::notifyInternal (this=0x8878e38, receiver=receiver@entry=0xbf97bf08, event=event@entry=0xbf97b9b4) at kernel/qcoreapplication.cpp:953
#30 0xb5526b53 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#31 QApplicationPrivate::sendMouseEvent (receiver=0xbf97bf08, event=event@entry=0xbf97b9b4, alienWidget=0x0, nativeWidget=nativeWidget@entry=0xbf97bf08, buttonDown=buttonDown@entry=0xb5e97ce4 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#32 0xb55aabd0 in QETWidget::translateMouseEvent (this=0xbf97bf08, event=event@entry=0xbf97bbdc) at kernel/qapplication_x11.cpp:4568
#33 0xb55a9ef5 in QApplication::x11ProcessEvent (this=0x8878e38, event=event@entry=0xbf97bbdc) at kernel/qapplication_x11.cpp:3627
#34 0xb55d5554 in x11EventSourceDispatch (s=0x8891a00, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#35 0xb20961e3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#36 0xb2096468 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#37 0xb2096528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#38 0xb604493b in QEventDispatcherGlib::processEvents (this=this@entry=0x8830d50, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#39 0xb55d560e in QGuiEventDispatcherGlib::processEvents (this=0x8830d50, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#40 0xb6013823 in QEventLoop::processEvents (this=this@entry=0xbf97be98, flags=...) at kernel/qeventloop.cpp:149
#41 0xb6013b49 in QEventLoop::exec (this=this@entry=0xbf97be98, flags=...) at kernel/qeventloop.cpp:204
#42 0xb59c800f in QMenu::exec (this=0xbf97bf08, p=..., action=action@entry=0x0) at widgets/qmenu.cpp:2125
#43 0xb72ce5c2 in Plasma::Containment::contextMenuEvent (this=0x8d0ff68, event=0xbf97c350) at ../../plasma/containment.cpp:665
#44 0xb5b6d1a8 in QGraphicsItem::sceneEvent (this=this@entry=0x8d0ff70, event=event@entry=0xbf97c350) at graphicsview/qgraphicsitem.cpp:6725
#45 0xb5bc9506 in QGraphicsWidget::sceneEvent (this=0x8d0ff68, event=0xbf97c350) at graphicsview/qgraphicswidget.cpp:1229
#46 0xb5b967d6 in QGraphicsScenePrivate::sendEvent (this=0x8968f60, item=0x8d0ff70, event=0xbf97c350) at graphicsview/qgraphicsscene.cpp:1221
#47 0xb5b96e78 in QGraphicsScene::contextMenuEvent (this=0x88566f8, contextMenuEvent=0xbf97c350) at graphicsview/qgraphicsscene.cpp:3617
#48 0xb5babaff in QGraphicsScene::event (this=0x88566f8, event=0xbf97c350) at graphicsview/qgraphicsscene.cpp:3412
#49 0xb55207f4 in QApplicationPrivate::notify_helper (this=0x888e4f8, receiver=0x88566f8, e=0xbf97c350) at kernel/qapplication.cpp:4567
#50 0xb55272d3 in QApplication::notify (this=0x8878e38, receiver=receiver@entry=0x88566f8, e=e@entry=0xbf97c350) at kernel/qapplication.cpp:4353
#51 0xb66891b4 in KApplication::notify (this=0x8878e38, receiver=0x88566f8, event=0xbf97c350) at ../../kdeui/kernel/kapplication.cpp:311
#52 0xb6014e4a in QCoreApplication::notifyInternal (this=0x8878e38, receiver=0x88566f8, event=event@entry=0xbf97c350) at kernel/qcoreapplication.cpp:953
#53 0xb5bc6923 in sendEvent (event=0xbf97c350, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#54 QGraphicsView::contextMenuEvent (this=0x88e4ab8, event=0xbf97c7c0) at graphicsview/qgraphicsview.cpp:2892
#55 0xb557a728 in QWidget::event (this=this@entry=0x88e4ab8, event=event@entry=0xbf97c7c0) at kernel/qwidget.cpp:8554
#56 0xb598091c in QFrame::event (this=this@entry=0x88e4ab8, e=e@entry=0xbf97c7c0) at widgets/qframe.cpp:557
#57 0xb5a0efd8 in QAbstractScrollArea::viewportEvent (this=this@entry=0x88e4ab8, e=e@entry=0xbf97c7c0) at widgets/qabstractscrollarea.cpp:1043
#58 0xb5bc62b7 in QGraphicsView::viewportEvent (this=<optimized out>, event=<optimized out>) at graphicsview/qgraphicsview.cpp:2866
#59 0xb5a0f256 in viewportEvent (event=0xbf97c7c0, this=<optimized out>) at widgets/qabstractscrollarea_p.h:100
#60 QAbstractScrollAreaFilter::eventFilter (this=0x93faa00, o=0x89c18a8, e=0xbf97c7c0) at widgets/qabstractscrollarea_p.h:116
#61 0xb6014fbe in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x888e4f8, receiver=receiver@entry=0x89c18a8, event=event@entry=0xbf97c7c0) at kernel/qcoreapplication.cpp:1063
#62 0xb55207d1 in QApplicationPrivate::notify_helper (this=0x888e4f8, receiver=receiver@entry=0x89c18a8, e=0xbf97c7c0) at kernel/qapplication.cpp:4563
#63 0xb55289f3 in QApplication::notify (this=0x8878e38, receiver=receiver@entry=0x89c18a8, e=e@entry=0xbf97c7c0) at kernel/qapplication.cpp:4189
#64 0xb66891b4 in KApplication::notify (this=0x8878e38, receiver=0x89c18a8, event=0xbf97c7c0) at ../../kdeui/kernel/kapplication.cpp:311
#65 0xb6014e4a in QCoreApplication::notifyInternal (this=0x8878e38, receiver=receiver@entry=0x89c18a8, event=0xbf97c7c0) at kernel/qcoreapplication.cpp:953
#66 0xb55aa839 in sendSpontaneousEvent (event=0xbf97c7c0, receiver=0x89c18a8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#67 QETWidget::translateMouseEvent (this=0x88e4ab8, event=event@entry=0xbf97ca0c) at kernel/qapplication_x11.cpp:4639
#68 0xb55a9ef5 in QApplication::x11ProcessEvent (this=0x8878e38, event=event@entry=0xbf97ca0c) at kernel/qapplication_x11.cpp:3627
#69 0xb55d5554 in x11EventSourceDispatch (s=0x8891a00, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#70 0xb20961e3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#71 0xb2096468 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#72 0xb2096528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#73 0xb604493b in QEventDispatcherGlib::processEvents (this=this@entry=0x8830d50, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#74 0xb55d560e in QGuiEventDispatcherGlib::processEvents (this=0x8830d50, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#75 0xb6013823 in QEventLoop::processEvents (this=this@entry=0xbf97ccc8, flags=...) at kernel/qeventloop.cpp:149
#76 0xb6013b49 in QEventLoop::exec (this=this@entry=0xbf97ccc8, flags=...) at kernel/qeventloop.cpp:204
#77 0xb60198fe in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#78 0xb551ea24 in QApplication::exec () at kernel/qapplication.cpp:3828
#79 0xb76e1d27 in kdemain (argc=1, argv=0xbf97ce64) at ../../../../plasma/desktop/shell/main.cpp:126
#80 0x0804855b in main (argc=1, argv=0xbf97ce64) at plasma-desktop_dummy.cpp:3

Reported using DrKonqi