Application that crashed: kontact
Version of the application: 4.3.0 rc2
KDE Version: 4.2.96 (KDE 4.2.96 (KDE 4.3 RC2))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-14-generic i686
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb5ccda18 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#7  0xb6205fd1 in QWidget::event () from /usr/lib/libQtGui.so.4
#8  0xb61aee9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#9  0xb61b7282 in QApplication::notify () from /usr/lib/libQtGui.so.4
#10 0xb6dd54dd in KApplication::notify () from /usr/lib/libkdeui.so.5
#11 0xb5ccda3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#12 0xb6205fd1 in QWidget::event () from /usr/lib/libQtGui.so.4
#13 0xb65df993 in QFrame::event () from /usr/lib/libQtGui.so.4
#14 0xb664fc44 in QStackedWidget::event () from /usr/lib/libQtGui.so.4
#15 0xb61aee9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#16 0xb61b7282 in QApplication::notify () from /usr/lib/libQtGui.so.4
#17 0xb6dd54dd in KApplication::notify () from /usr/lib/libkdeui.so.5
#18 0xb5ccda3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#19 0xb6205fd1 in QWidget::event () from /usr/lib/libQtGui.so.4
#20 0xb664ee94 in QSplitter::event () from /usr/lib/libQtGui.so.4
#21 0xb61aee9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#22 0xb61b7282 in QApplication::notify () from /usr/lib/libQtGui.so.4
#23 0xb6dd54dd in KApplication::notify () from /usr/lib/libkdeui.so.5
#24 0xb5ccda3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#25 0xb6205fd1 in QWidget::event () from /usr/lib/libQtGui.so.4
#26 0xb61aee9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#27 0xb61b7282 in QApplication::notify () from /usr/lib/libQtGui.so.4
#28 0xb6dd54dd in KApplication::notify () from /usr/lib/libkdeui.so.5
#29 0xb5ccda3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#30 0xb6205fd1 in QWidget::event () from /usr/lib/libQtGui.so.4
#31 0xb65fd0d7 in QMainWindow::event () from /usr/lib/libQtGui.so.4
#32 0xb6eb9c87 in KMainWindow::event () from /usr/lib/libkdeui.so.5
#33 0xb6eff57c in KXmlGuiWindow::event () from /usr/lib/libkdeui.so.5
#34 0xb61aee9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#35 0xb61b7282 in QApplication::notify () from /usr/lib/libQtGui.so.4
#36 0xb6dd54dd in KApplication::notify () from /usr/lib/libkdeui.so.5
#37 0xb5ccda3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#38 0xb61b5609 in QApplicationPrivate::enterModal () from /usr/lib/libQtGui.so.4
#39 0xb620b1d5 in QWidgetPrivate::show_helper () from /usr/lib/libQtGui.so.4
#40 0xb620b6e3 in QWidget::setVisible () from /usr/lib/libQtGui.so.4
#41 0xb66ca2ed in QDialog::setVisible () from /usr/lib/libQtGui.so.4
#42 0xb66c93a6 in QDialog::exec () from /usr/lib/libQtGui.so.4
#43 0xb6d50d9c in KMessageBox::createKMessageBox () from /usr/lib/libkdeui.so.5
#44 0xb6d520b1 in KMessageBox::createKMessageBox () from /usr/lib/libkdeui.so.5
#45 0xb6d52ea3 in KMessageBox::errorListWId () from /usr/lib/libkdeui.so.5
#46 0xb6d530c1 in KMessageBox::error () from /usr/lib/libkdeui.so.5
#47 0xb73370b9 in KABC::GuiErrorHandler::error () from /usr/lib/libkabc.so.4
#48 0xb7316b66 in KABC::AddressBook::error () from /usr/lib/libkabc.so.4
#49 0xace215c3 in KABC::ResourceNet::save () from /usr/lib/kde4/kabc_net.so
#50 0xb73167d1 in KABC::AddressBook::save () from /usr/lib/libkabc.so.4
#51 0xb73472f8 in KABC::StdAddressBook::Private::saveAll () from /usr/lib/libkabc.so.4
#52 0xb7347583 in KABC::StdAddressBook::~StdAddressBook () from /usr/lib/libkabc.so.4
#53 0xb73466e4 in KABC::StdAddressBook::close () from /usr/lib/libkabc.so.4
#54 0xb18635d6 in KABCore::~KABCore () from /usr/lib/libkaddressbookprivate.so.4
#55 0xb5cdce3f in QObjectPrivate::deleteChildren () from /usr/lib/libQtCore.so.4
#56 0xb6200ddb in QWidget::~QWidget () from /usr/lib/libQtGui.so.4
#57 0xb721b0e9 in KParts::Part::~Part () from /usr/lib/libkparts.so.4
#58 0xb721b44a in KParts::ReadOnlyPart::~ReadOnlyPart () from /usr/lib/libkparts.so.4
#59 0xb1b85ddc in ?? () from /usr/lib/kde4/kaddressbookpart.so
#60 0xb7933ce9 in Kontact::Plugin::~Plugin () from /usr/lib/libkontactinterfaces.so.4
#61 0xb156c3ac in ?? () from /usr/lib/kde4/kontact_kaddressbookplugin.so
#62 0xb794ec2e in Kontact::MainWindow::~MainWindow () from /usr/lib/libkontactprivate.so.4
#63 0xb5cdcb25 in qDeleteInEventHandler () from /usr/lib/libQtCore.so.4
#64 0xb5cde3cb in QObject::event () from /usr/lib/libQtCore.so.4
#65 0xb6205440 in QWidget::event () from /usr/lib/libQtGui.so.4
#66 0xb65fd0d7 in QMainWindow::event () from /usr/lib/libQtGui.so.4
#67 0xb6eb9c87 in KMainWindow::event () from /usr/lib/libkdeui.so.5
#68 0xb6eff57c in KXmlGuiWindow::event () from /usr/lib/libkdeui.so.5
#69 0xb61aee9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#70 0xb61b7282 in QApplication::notify () from /usr/lib/libQtGui.so.4
#71 0xb6dd54dd in KApplication::notify () from /usr/lib/libkdeui.so.5
#72 0xb5ccda3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#73 0xb5cce695 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#74 0xb5cce88d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#75 0xb5cf97ef in ?? () from /usr/lib/libQtCore.so.4
#76 0xb4d92b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#77 0xb4d960eb in ?? () from /usr/lib/libglib-2.0.so.0
#78 0xb4d96268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#79 0xb5cf9438 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#80 0xb6250365 in ?? () from /usr/lib/libQtGui.so.4
#81 0xb5ccc06a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#82 0xb5ccc4aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#83 0xb5cce959 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#84 0xb61aed17 in QApplication::exec () from /usr/lib/libQtGui.so.4
#85 0x0804bfef in _start ()

Reported using DrKonqi