Version:            (using KDE KDE 3.5.1)
Installed from:    SuSE RPMs
OS:                Linux

Had New Event dialog box open editing a new event.  Had switched focus back over to the main Kontact window showing mail.  Scrolling through e-mails when Kontact crashed.  Backtrace below:

System configuration startup check disabled.

Using host libthread_db library "/lib/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1240639824 (LWP 32026)]
[New Thread -1280332896 (LWP 32032)]
[New Thread -1271940192 (LWP 32031)]
[New Thread -1263547488 (LWP 32030)]
[New Thread -1255154784 (LWP 32029)]
[KCrash handler]
#6  0xb55d9a69 in KMFolder::open () from /opt/kde3/lib/libkmailprivate.so
#7  0xb5727595 in KMCommand::keepFolderOpen ()
   from /opt/kde3/lib/libkmailprivate.so
#8  0xb572dcf3 in KMCommand::slotStart () from /opt/kde3/lib/libkmailprivate.so
#9  0xb572cb28 in KMCommand::qt_invoke () from /opt/kde3/lib/libkmailprivate.so
#10 0xb572d31b in KMShowMsgSrcCommand::qt_invoke ()
   from /opt/kde3/lib/libkmailprivate.so
#11 0xb6cd2edd in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#12 0xb700b81e in QSignal::signal () from /usr/lib/qt3/lib/libqt-mt.so.3
#13 0xb6ceef87 in QSignal::activate () from /usr/lib/qt3/lib/libqt-mt.so.3
#14 0xb6cf6343 in QSingleShotTimer::event ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#15 0xb6c73ec7 in QApplication::internalNotify ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#16 0xb6c74c91 in QApplication::notify () from /usr/lib/qt3/lib/libqt-mt.so.3
#17 0xb732e633 in KApplication::notify () from /opt/kde3/lib/libkdecore.so.4
#18 0xb6c69055 in QEventLoop::activateTimers ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#19 0xb6c238a0 in QEventLoop::processEvents ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#20 0xb6c8ace8 in QEventLoop::enterLoop () from /usr/lib/qt3/lib/libqt-mt.so.3
#21 0xb6c8ab7e in QEventLoop::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#22 0xb6c73a7f in QApplication::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#23 0x08058c02 in main ()