Application that crashed: kontact
Version of the application: 4.3.0 rc3
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-14-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
I did add gmail account to kmail throught kontact and after syncing emails I did close kontact from X-button and kontact did crash. Ktimer was also running in background

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 0 (LWP 28912)]

Thread 2 (Thread 0xaadd4b90 (LWP 30014)):
#0  0xb7ff5430 in __kernel_vsyscall ()
#1  0xb517d0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb599e2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb5b82172 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb6a7eac2 in ?? () from /usr/lib/libQtNetwork.so.4
#5  0xb5b81132 in ?? () from /usr/lib/libQtCore.so.4
#6  0xb51794ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb598f49e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb4890b30 (LWP 28912)):
[KCrash Handler]
#6  0xb5c75ba8 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#7  0xb618fe01 in QWidget::event () from /usr/lib/libQtGui.so.4
#8  0xb6138d3c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#9  0xb6141122 in QApplication::notify () from /usr/lib/libQtGui.so.4
#10 0xb6d3285d in KApplication::notify () from /usr/lib/libkdeui.so.5
#11 0xb5c75bcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#12 0xb618fe01 in QWidget::event () from /usr/lib/libQtGui.so.4
#13 0xb6540a53 in QFrame::event () from /usr/lib/libQtGui.so.4
#14 0xb65b0dd4 in QStackedWidget::event () from /usr/lib/libQtGui.so.4
#15 0xb6138d3c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#16 0xb6141122 in QApplication::notify () from /usr/lib/libQtGui.so.4
#17 0xb6d3285d in KApplication::notify () from /usr/lib/libkdeui.so.5
#18 0xb5c75bcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#19 0xb618fe01 in QWidget::event () from /usr/lib/libQtGui.so.4
#20 0xb65b0024 in QSplitter::event () from /usr/lib/libQtGui.so.4
#21 0xb6138d3c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#22 0xb6141122 in QApplication::notify () from /usr/lib/libQtGui.so.4
#23 0xb6d3285d in KApplication::notify () from /usr/lib/libkdeui.so.5
#24 0xb5c75bcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#25 0xb618fe01 in QWidget::event () from /usr/lib/libQtGui.so.4
#26 0xb6138d3c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#27 0xb6141122 in QApplication::notify () from /usr/lib/libQtGui.so.4
#28 0xb6d3285d in KApplication::notify () from /usr/lib/libkdeui.so.5
#29 0xb5c75bcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#30 0xb618fe01 in QWidget::event () from /usr/lib/libQtGui.so.4
#31 0xb655e197 in QMainWindow::event () from /usr/lib/libQtGui.so.4
#32 0xb6e172a7 in KMainWindow::event () from /usr/lib/libkdeui.so.5
#33 0xb6e5c82c in KXmlGuiWindow::event () from /usr/lib/libkdeui.so.5
#34 0xb6138d3c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#35 0xb6141122 in QApplication::notify () from /usr/lib/libQtGui.so.4
#36 0xb6d3285d in KApplication::notify () from /usr/lib/libkdeui.so.5
#37 0xb5c75bcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#38 0xb613f4a9 in QApplicationPrivate::enterModal () from /usr/lib/libQtGui.so.4
#39 0xb6194fa5 in QWidgetPrivate::show_helper () from /usr/lib/libQtGui.so.4
#40 0xb61954b3 in QWidget::setVisible () from /usr/lib/libQtGui.so.4
#41 0xb662b5fd in QDialog::setVisible () from /usr/lib/libQtGui.so.4
#42 0xb662a6c6 in QDialog::exec () from /usr/lib/libQtGui.so.4
#43 0xb6cae2dc in KMessageBox::createKMessageBox () from /usr/lib/libkdeui.so.5
#44 0xb6caf5f1 in KMessageBox::createKMessageBox () from /usr/lib/libkdeui.so.5
#45 0xb6cb03e3 in KMessageBox::errorListWId () from /usr/lib/libkdeui.so.5
#46 0xb6cb0601 in KMessageBox::error () from /usr/lib/libkdeui.so.5
#47 0xb72970b9 in KABC::GuiErrorHandler::error () from /usr/lib/libkabc.so.4
#48 0xb7276b66 in KABC::AddressBook::error () from /usr/lib/libkabc.so.4
#49 0xab1d95c3 in KABC::ResourceNet::save () from /usr/lib/kde4/kabc_net.so
#50 0xb72767d1 in KABC::AddressBook::save () from /usr/lib/libkabc.so.4
#51 0xb72a72f8 in KABC::StdAddressBook::Private::saveAll () from /usr/lib/libkabc.so.4
#52 0xb72a7583 in KABC::StdAddressBook::~StdAddressBook () from /usr/lib/libkabc.so.4
#53 0xb72a66e4 in KABC::StdAddressBook::close () from /usr/lib/libkabc.so.4
#54 0xb194c5d6 in KABCore::~KABCore () from /usr/lib/libkaddressbookprivate.so.4
#55 0xb5c84e0f in QObjectPrivate::deleteChildren () from /usr/lib/libQtCore.so.4
#56 0xb618b1cb in QWidget::~QWidget () from /usr/lib/libQtGui.so.4
#57 0xb717b1a9 in KParts::Part::~Part () from /usr/lib/libkparts.so.4
#58 0xb717b50a in KParts::ReadOnlyPart::~ReadOnlyPart () from /usr/lib/libkparts.so.4
#59 0xab427ddc in ?? () from /usr/lib/kde4/kaddressbookpart.so
#60 0xb7884ce9 in Kontact::Plugin::~Plugin () from /usr/lib/libkontactinterfaces.so.4
#61 0xb19d33ac in ?? () from /usr/lib/kde4/kontact_kaddressbookplugin.so
#62 0xb789fc2e in Kontact::MainWindow::~MainWindow () from /usr/lib/libkontactprivate.so.4
#63 0xb5c84af5 in qDeleteInEventHandler () from /usr/lib/libQtCore.so.4
#64 0xb5c863db in QObject::event () from /usr/lib/libQtCore.so.4
#65 0xb618f270 in QWidget::event () from /usr/lib/libQtGui.so.4
#66 0xb655e197 in QMainWindow::event () from /usr/lib/libQtGui.so.4
#67 0xb6e172a7 in KMainWindow::event () from /usr/lib/libkdeui.so.5
#68 0xb6e5c82c in KXmlGuiWindow::event () from /usr/lib/libkdeui.so.5
#69 0xb6138d3c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#70 0xb6141122 in QApplication::notify () from /usr/lib/libQtGui.so.4
#71 0xb6d3285d in KApplication::notify () from /usr/lib/libkdeui.so.5
#72 0xb5c75bcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#73 0xb5c76825 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#74 0xb5c76a1d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#75 0xb5ca16af in ?? () from /usr/lib/libQtCore.so.4
#76 0xb4d46b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#77 0xb4d4a0eb in ?? () from /usr/lib/libglib-2.0.so.0
#78 0xb4d4a268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#79 0xb5ca12f8 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#80 0xb61daa75 in ?? () from /usr/lib/libQtGui.so.4
#81 0xb5c741fa in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#82 0xb5c74642 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#83 0xb5c76ae9 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#84 0xb6138bb7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#85 0x0804bfef in _start ()

This bug may be a duplicate of or related to bug 206675

Reported using DrKonqi