Version:            (using KDE 4.2.2)
OS:                Linux
Installed from:    Ubuntu Packages

Kontact plugin Akregator crashed unexpected. I don't know how to recreate the issue. Here is the backtrace of the crash:

Anwendung: Kontact (kontact), Signal SIGSEGV
[Current thread is 0 (LWP 6248)]

Thread 2 (Thread 0xacadab90 (LWP 1132)):
#0  0xb7fa5430 in __kernel_vsyscall ()
#1  0xb50fd412 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb5917344 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb5b0398c in QWaitCondition::wait (this=0x990d2e0, mutex=0x990d2dc, time=30000) at thread/qwaitcondition_unix.cpp:85
#4  0xb5af8e76 in QThreadPoolThread::run (this=0xadfc430) at concurrent/qthreadpool.cpp:140
#5  0xb5b0296e in QThreadPrivate::start (arg=0xadfc430) at thread/qthread_unix.cpp:189
#6  0xb50f94ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb590849e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb4813700 (LWP 6248)):
[KCrash Handler]
#6  0xabf282b2 in c4_Handler::GetBytes (this=0xc3b16d8, index_=430, buf_=@0xb272378, copySmall_=false) at /build/buildd/kdepim-4.2.2/akregator/plugins/mk4storage/metakit/src/handler.cpp:53
#7  0xabf3688b in c4_Sequence::Get (this=0xc358ef0, index_=430, propId_=-10352, buf_=@0xb272378) at /build/buildd/kdepim-4.2.2/akregator/plugins/mk4storage/metakit/src/viewx.cpp:319
#8  0xabf334f8 in c4_View::GetItem (this=0xa05e064, row_=430, col_=21, buf_=@0xb272378) at /build/buildd/kdepim-4.2.2/akregator/plugins/mk4storage/metakit/include/mk4.inl:421
#9  0xabf2cc65 in c4_HashViewer::GetItem (this=0xa05e060, row_=430, col_=21, buf_=@0xb272378) at /build/buildd/kdepim-4.2.2/akregator/plugins/mk4storage/metakit/src/remap.cpp:352
#10 0xabf1c859 in c4_CustomSeq::DoGet (this=0x9f602a8, row_=430, col_=21, buf_=@0xb272378) at /build/buildd/kdepim-4.2.2/akregator/plugins/mk4storage/metakit/src/custom.cpp:148
#11 0xabf1e2b7 in c4_CustomHandler::Get (this=0xa032978, index_=430, length_=@0xbfcbece8) at /build/buildd/kdepim-4.2.2/akregator/plugins/mk4storage/metakit/src/custom.cpp:58
#12 0xabf282b5 in c4_Handler::GetBytes (this=0xa032978, index_=430, buf_=@0xbfcbed7c, copySmall_=false) at /build/buildd/kdepim-4.2.2/akregator/plugins/mk4storage/metakit/src/handler.cpp:53
#13 0xabf371c8 in c4_Sequence::SetAt (this=0xadc9cc0, index_=0, newElem_={_seq = 0x9f602a8, _index = 430}) at /build/buildd/kdepim-4.2.2/akregator/plugins/mk4storage/metakit/src/viewx.cpp:98
#14 0xabf34376 in c4_Row::operator= (this=0xbfcbee34, rowRef_=@0xbfcbee2c) at /build/buildd/kdepim-4.2.2/akregator/plugins/mk4storage/metakit/src/view.cpp:1008
#15 0xabf3ca85 in Akregator::Backend::FeedStorageMK4Impl::enclosure (this=0x9af2f68, guid=@0xc3cd8e8, hasEnclosure=@0xbfcbeeab, url=@0xbfcbeea4, type=@0xbfcbeea0, length=@0xbfcbee9c)
    at /build/buildd/kdepim-4.2.2/akregator/plugins/mk4storage/feedstoragemk4impl.cpp:898
#16 0xabf9a40a in Akregator::Article::enclosure (this=0xbfcbf358) at /build/buildd/kdepim-4.2.2/akregator/src/article.cpp:503
#17 0xabffaaf8 in Akregator::DefaultNormalViewFormatter::formatArticle (this=0x9e75010, article=@0xbfcbf358, icon=Akregator::ArticleFormatter::ShowIcon)
    at /build/buildd/kdepim-4.2.2/akregator/src/articleformatter.cpp:174
#18 0xabfeeee5 in Akregator::ArticleViewer::showArticle (this=0xa3f4aa0, article=@0xbfcbf358) at /build/buildd/kdepim-4.2.2/akregator/src/articleviewer.cpp:524
#19 0xac018bae in Akregator::MainWidget::slotArticleSelected (this=0x9d18908, article=@0xbfcbf358) at /build/buildd/kdepim-4.2.2/akregator/src/mainwidget.cpp:856
#20 0xac01fc70 in Akregator::MainWidget::qt_metacall (this=0x9d18908, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xbfcbf31c)
    at /build/buildd/kdepim-4.2.2/obj-i486-linux-gnu/akregator/src/mainwidget.moc:156
#21 0xb5c0cca8 in QMetaObject::activate (sender=0xa3ccee0, from_signal_index=5, to_signal_index=5, argv=0xbfcbf31c) at kernel/qobject.cpp:3069
#22 0xb5c0d932 in QMetaObject::activate (sender=0xa3ccee0, m=0xac065494, local_signal_index=1, argv=0xbfcbf31c) at kernel/qobject.cpp:3143
#23 0xabf992f3 in Akregator::AbstractSelectionController::currentArticleChanged (this=0xa3ccee0, _t1=@0xbfcbf358)
    at /build/buildd/kdepim-4.2.2/obj-i486-linux-gnu/akregator/src/abstractselectioncontroller.moc:101
#24 0xabfc8abe in Akregator::SelectionController::articleSelectionChanged (this=0xa3ccee0) at /build/buildd/kdepim-4.2.2/akregator/src/selectioncontroller.cpp:242
#25 0xabfc985b in Akregator::SelectionController::qt_metacall (this=0xa3ccee0, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbfcbf458)
    at /build/buildd/kdepim-4.2.2/obj-i486-linux-gnu/akregator/src/selectioncontroller.moc:83
#26 0xb5c0cca8 in QMetaObject::activate (sender=0xac301e8, from_signal_index=4, to_signal_index=4, argv=0xbfcbf458) at kernel/qobject.cpp:3069
#27 0xb5c0d932 in QMetaObject::activate (sender=0xac301e8, m=0xb6960430, local_signal_index=0, argv=0xbfcbf458) at kernel/qobject.cpp:3143
#28 0xb6694419 in QItemSelectionModel::selectionChanged (this=0xac301e8, _t1=@0xbfcbf534, _t2=@0xbfcbf544) at .moc/release-shared/moc_qitemselectionmodel.cpp:146
#29 0xb669c786 in QItemSelectionModel::emitSelectionChanged (this=0xac301e8, newSelection=@0xbfcbf534, oldSelection=@0xbfcbf544) at itemviews/qitemselectionmodel.cpp:1489
#30 0xb669ced6 in QItemSelectionModel::select (this=0xac301e8, selection=@0xbfcbf7e8, command={i = -1077151780}) at itemviews/qitemselectionmodel.cpp:1055
#31 0xb66821a6 in QTreeViewPrivate::select (this=0xa8818c8, topIndex=@0xbfcbf860, bottomIndex=@0xbfcbf850, command={i = -1077151608}) at itemviews/qtreeview.cpp:3612
#32 0xb6682d16 in QTreeView::setSelection (this=0x98bd5d8, rect=@0xbfcbf8f4, command={i = -1077151412}) at itemviews/qtreeview.cpp:2187
#33 0xb664633d in QAbstractItemView::mousePressEvent (this=0x98bd5d8, event=0xbfcc0288) at itemviews/qabstractitemview.cpp:1512
#34 0xb668a85f in QTreeView::mousePressEvent (this=0x98bd5d8, event=0xbfcc0288) at itemviews/qtreeview.cpp:1777
#35 0xabfd46ec in Akregator::ArticleListView::mousePressEvent (this=0x98bd5d8, ev=0xbfcc0288) at /build/buildd/kdepim-4.2.2/akregator/src/articlelistview.cpp:321
#36 0xb611ec46 in QWidget::event (this=0x98bd5d8, event=0xbfcc0288) at kernel/qwidget.cpp:7512
#37 0xb64f8993 in QFrame::event (this=0x98bd5d8, e=0xbfcc0288) at widgets/qframe.cpp:559
#38 0xb659894f in QAbstractScrollArea::viewportEvent (this=0x98bd5d8, e=0xc3b16d8) at widgets/qabstractscrollarea.cpp:962
#39 0xb664a647 in QAbstractItemView::viewportEvent (this=0x98bd5d8, event=0xbfcc0288) at itemviews/qabstractitemview.cpp:1466
#40 0xb66850c4 in QTreeView::viewportEvent (this=0x98bd5d8, event=0xbfcc0288) at itemviews/qtreeview.cpp:1257
#41 0xb659af55 in QAbstractScrollAreaFilter::eventFilter (this=0x9e74cb0, o=0x98f0e30, e=0xbfcc0288) at widgets/qabstractscrollarea_p.h:100
#42 0xb5bf5c5a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x8442510, receiver=0x98f0e30, event=0xbfcc0288) at kernel/qcoreapplication.cpp:718
#43 0xb60c7e7a in QApplicationPrivate::notify_helper (this=0x8442510, receiver=0x98f0e30, e=0xbfcc0288) at kernel/qapplication.cpp:4080
#44 0xb60d0b11 in QApplication::notify (this=0xbfcc0bb8, receiver=0x98f0e30, e=0xbfcc0288) at kernel/qapplication.cpp:3786
#45 0xb6ceb94d in KApplication::notify (this=0xbfcc0bb8, receiver=0x98f0e30, event=0xbfcc0288) at /build/buildd/kde4libs-4.2.2/kdeui/kernel/kapplication.cpp:307
#46 0xb5bf6a3b in QCoreApplication::notifyInternal (this=0xbfcc0bb8, receiver=0x98f0e30, event=0xbfcc0288) at kernel/qcoreapplication.cpp:602
#47 0xb60cfb7e in QApplicationPrivate::sendMouseEvent (receiver=0x98f0e30, event=0xbfcc0288, alienWidget=0x98f0e30, nativeWidget=0x844e1b8, buttonDown=0xb6972200, lastMouseReceiver=@0xb6972204)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#48 0xb613f97e in QETWidget::translateMouseEvent (this=0x844e1b8, event=0xbfcc08cc) at kernel/qapplication_x11.cpp:4425
#49 0xb613eca7 in QApplication::x11ProcessEvent (this=0xbfcc0bb8, event=0xbfcc08cc) at kernel/qapplication_x11.cpp:3421
#50 0xb6169c6a in x11EventSourceDispatch (s=0x843a8f8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#51 0xb4cc9b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#52 0xb4ccd0eb in ?? () from /usr/lib/libglib-2.0.so.0
#53 0xb4ccd268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#54 0xb5c22438 in QEventDispatcherGlib::processEvents (this=0x841f238, flags={i = -1077147000}) at kernel/qeventdispatcher_glib.cpp:323
#55 0xb6169365 in QGuiEventDispatcherGlib::processEvents (this=0x841f238, flags={i = -1077146952}) at kernel/qguieventdispatcher_glib.cpp:202
#56 0xb5bf506a in QEventLoop::processEvents (this=0xbfcc0b30, flags={i = -1077146888}) at kernel/qeventloop.cpp:149
#57 0xb5bf54aa in QEventLoop::exec (this=0xbfcc0b30, flags={i = -1077146824}) at kernel/qeventloop.cpp:200
#58 0xb5bf7959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#59 0xb60c7d17 in QApplication::exec () at kernel/qapplication.cpp:3553
#60 0x0804c072 in main (argc=1, argv=0xbfcc0eb4) at /build/buildd/kdepim-4.2.2/kontact/src/main.cpp:218