Application that crashed: kmail
Version of the application: 1.11.90
KDE Version: 4.2.91 (KDE 4.2.91 (KDE 4.3 >= 20090609))
Qt Version: 4.5.1
Operating System: Linux 2.6.30-ARCH i686

What I was doing when the application crashed:
When trying to Advanced search in the title = Kmail crash

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#6  0xb7682e83 in KMail::MessageListView::Widget::getSelectionStats () from /usr/lib/libkmailprivate.so.4
#7  0xb767ba56 in KMail::MessageListView::Pane::getSelectionStats () from /usr/lib/libkmailprivate.so.4
#8  0xb752694c in KMMainWidget::updateMessageActions () from /usr/lib/libkmailprivate.so.4
#9  0xb75401d6 in KMMainWidget::qt_metacall () from /usr/lib/libkmailprivate.so.4
#10 0xb6961831 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb69624a2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xb699c507 in QTimer::timeout () from /usr/lib/libQtCore.so.4
#13 0xb6966f8e in QTimer::timerEvent () from /usr/lib/libQtCore.so.4
#14 0xb695b79f in QObject::event () from /usr/lib/libQtCore.so.4
#15 0xb5df76ac in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#16 0xb5dfee44 in QApplication::notify () from /usr/lib/libQtGui.so.4
#17 0xb7d7b54a in KApplication::notify () from /usr/lib/libkdeui.so.5
#18 0xb694b74b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#19 0xb6979a26 in ?? () from /usr/lib/libQtCore.so.4
#20 0xb6976ad0 in ?? () from /usr/lib/libQtCore.so.4
#21 0xb433ee08 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#22 0xb4342370 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#23 0xb43424a3 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#24 0xb6976a1c in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#25 0xb5e965c5 in ?? () from /usr/lib/libQtGui.so.4
#26 0xb6949cd9 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#27 0xb694a122 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#28 0xb694c49f in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#29 0xb5df7527 in QApplication::exec () from /usr/lib/libQtGui.so.4
#30 0x0804a7b2 in _start ()

Reported using DrKonqi