Application that crashed: kontact
Version of the application: 4.3.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-16-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I add a new contact in my kontact. 
It works with akanodi and synchronize with google.

When I want to closed the software, it crash...
At this time, my connection lag.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f5f28134c10 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#6  0x00007f5f28aa3c2a in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#7  0x00007f5f28a54efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#8  0x00007f5f28a5c1ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x00007f5f2968bab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#10 0x00007f5f28134c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#11 0x00007f5f28aa3c2a in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#12 0x00007f5f28dff2a6 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#13 0x00007f5f28a54efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#14 0x00007f5f28a5c1ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#15 0x00007f5f2968bab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#16 0x00007f5f28134c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#17 0x00007f5f28aa3c2a in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#18 0x00007f5f28a54efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#19 0x00007f5f28a5c1ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#20 0x00007f5f2968bab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#21 0x00007f5f28134c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#22 0x00007f5f28aa3c2a in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x00007f5f28a54efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#24 0x00007f5f28a5c1ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#25 0x00007f5f2968bab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#26 0x00007f5f28134c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#27 0x00007f5f28aa3c2a in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#28 0x00007f5f28e199db in QMainWindow::event(QEvent*) () from /usr/lib/libQtGui.so.4
#29 0x00007f5f29797773 in KXmlGuiWindow::event(QEvent*) () from /usr/lib/libkdeui.so.5
#30 0x00007f5f28a54efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#31 0x00007f5f28a5c1ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#32 0x00007f5f2968bab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#33 0x00007f5f28134c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#34 0x00007f5f28a5ab59 in QApplicationPrivate::enterModal(QWidget*) () from /usr/lib/libQtGui.so.4
#35 0x00007f5f28aa8b85 in QWidgetPrivate::show_helper() () from /usr/lib/libQtGui.so.4
#36 0x00007f5f28aa9bba in QWidget::setVisible(bool) () from /usr/lib/libQtGui.so.4
#37 0x00007f5f28ed067c in QDialog::setVisible(bool) () from /usr/lib/libQtGui.so.4
#38 0x00007f5f28ecf995 in QDialog::exec() () from /usr/lib/libQtGui.so.4
#39 0x00007f5f29612185 in KMessageBox::createKMessageBox(KDialog*, QIcon const&, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&, QMessageBox::Icon) () from /usr/lib/libkdeui.so.5
#40 0x00007f5f29613400 in KMessageBox::createKMessageBox(KDialog*, QMessageBox::Icon, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&) ()
   from /usr/lib/libkdeui.so.5
#41 0x00007f5f296142c3 in KMessageBox::errorListWId(unsigned long, QString const&, QStringList const&, QString const&, QFlags<KMessageBox::Option>) () from /usr/lib/libkdeui.so.5
#42 0x00007f5f296144c2 in KMessageBox::error(QWidget*, QString const&, QString const&, QFlags<KMessageBox::Option>) () from /usr/lib/libkdeui.so.5
#43 0x00007f5f25485ffe in KABC::GuiErrorHandler::error(QString const&) () from /usr/lib/libkabc.so.4
#44 0x00007f5f2546b6a9 in KABC::AddressBook::error(QString const&) () from /usr/lib/libkabc.so.4
#45 0x00007f5f2546b795 in KABC::AddressBook::resourceSavingError(KABC::Resource*, QString const&) () from /usr/lib/libkabc.so.4
#46 0x00007f5f2546b86f in KABC::AddressBook::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkabc.so.4
#47 0x00007f5f28149ddc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#48 0x00007f5f2548d157 in KABC::Resource::savingError(KABC::Resource*, QString const&) () from /usr/lib/libkabc.so.4
#49 0x00007f5f0756b9b2 in ?? () from /usr/lib/kde4/kabc_akonadi.so
#50 0x00007f5f07588c02 in ?? () from /usr/lib/kde4/kabc_akonadi.so
#51 0x00007f5f075695f3 in ?? () from /usr/lib/kde4/kabc_akonadi.so
#52 0x00007f5f25467c1a in KABC::AddressBook::save(KABC::Ticket*) () from /usr/lib/libkabc.so.4
#53 0x00007f5f25495215 in KABC::StdAddressBook::Private::saveAll() () from /usr/lib/libkabc.so.4
#54 0x00007f5f25495427 in KABC::StdAddressBook::~StdAddressBook() () from /usr/lib/libkabc.so.4
#55 0x00007f5f25494656 in KABC::StdAddressBook::close() () from /usr/lib/libkabc.so.4
#56 0x00007f5f055766d0 in KABCore::~KABCore() () from /usr/lib/libkaddressbookprivate.so.4
#57 0x00007f5f28142e5c in QObjectPrivate::deleteChildren() () from /usr/lib/libQtCore.so.4
#58 0x00007f5f28a9f4f3 in QWidget::~QWidget() () from /usr/lib/libQtGui.so.4
#59 0x00007f5f2774b594 in KParts::Part::~Part() () from /usr/lib/libkparts.so.4
#60 0x00007f5f0580d2eb in ?? () from /usr/lib/kde4/kaddressbookpart.so
#61 0x00007f5f29dd9dae in Kontact::Plugin::~Plugin() () from /usr/lib/libkontactinterfaces.so.4
#62 0x00007f5f13ec3ca5 in ?? () from /usr/lib/kde4/kontact_kaddressbookplugin.so
#63 0x00007f5f29ffbe0f in Kontact::MainWindow::~MainWindow() () from /usr/lib/libkontactprivate.so.4
#64 0x00007f5f2814411d in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#65 0x00007f5f28aa315f in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#66 0x00007f5f28e199db in QMainWindow::event(QEvent*) () from /usr/lib/libQtGui.so.4
#67 0x00007f5f29797773 in KXmlGuiWindow::event(QEvent*) () from /usr/lib/libkdeui.so.5
#68 0x00007f5f28a54efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#69 0x00007f5f28a5c1ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#70 0x00007f5f2968bab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#71 0x00007f5f28134c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#72 0x00007f5f2813580a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#73 0x00007f5f2815d533 in ?? () from /usr/lib/libQtCore.so.4
#74 0x00007f5f219aebbe in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#75 0x00007f5f219b2588 in ?? () from /lib/libglib-2.0.so.0
#76 0x00007f5f219b26b0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#77 0x00007f5f2815d1a6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#78 0x00007f5f28ae94be in ?? () from /usr/lib/libQtGui.so.4
#79 0x00007f5f28133532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#80 0x00007f5f28133904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#81 0x00007f5f28135ab9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#82 0x0000000000403f47 in _start ()

Reported using DrKonqi