Version:           1.6.4 (using KDE KDE 3.5.4)
Installed from:    SuSE RPMs
OS:                Linux

opening a konsole window, and closing it, either by pressing Ctrl-D or by clicking with the mouse on the X to close the window will let the KDE crash handler pop up with the following backtrace:

Using host libthread_db library "/lib/tls/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 1096299936 (LWP 29621)]
[KCrash handler]
#9  0x41d5c3e0 in scim::TransactionReader::valid ()
   from /usr/lib/libscim-1.0.so.6
#10 0x41d5c432 in scim::TransactionReader::get_data_type ()
   from /usr/lib/libscim-1.0.so.6
#11 0x41d5c490 in scim::Transaction::get_data_type ()
   from /usr/lib/libscim-1.0.so.6
#12 0x41ca4c4e in scim::QScimInputContext::panel_send_request ()
   from /usr/lib/qt3/plugins/inputmethods/libqscim.so
#13 0x41ca512e in scim::QScimInputContext::~QScimInputContext ()
   from /usr/lib/qt3/plugins/inputmethods/libqscim.so
#14 0x40894729 in QObject::~QObject () from /usr/lib/qt3/lib/libqt-mt.so.3
#15 0x407ddba0 in QInputContext::~QInputContext ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#16 0x41c8d714 in ~QMultiInputContext (this=0x81ee0f0) at qintdict.h:56
#17 0x407f67ec in QWidget::destroyInputContext ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#18 0x407fc153 in QWidget::destroy () from /usr/lib/qt3/lib/libqt-mt.so.3
#19 0x408cc1c6 in QWidget::~QWidget () from /usr/lib/qt3/lib/libqt-mt.so.3
#20 0x40994231 in QMainWindow::~QMainWindow ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#21 0x41265ef0 in KMainWindow::~KMainWindow () from /opt/kde3/lib/libkdeui.so.4
#22 0x4181e00f in Konsole::~Konsole () from /opt/kde3/lib/libkdeinit_konsole.so
#23 0x408915fc in QObject::event () from /usr/lib/qt3/lib/libqt-mt.so.3
#24 0x408c6e6c in QWidget::event () from /usr/lib/qt3/lib/libqt-mt.so.3
#25 0x409924c2 in QMainWindow::event () from /usr/lib/qt3/lib/libqt-mt.so.3
#26 0x4082d62f in QApplication::internalNotify ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#27 0x4082f213 in QApplication::notify () from /usr/lib/qt3/lib/libqt-mt.so.3
#28 0x405710f1 in KApplication::notify () from /opt/kde3/lib/libkdecore.so.4
#29 0x4082e470 in QApplication::sendPostedEvents ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#30 0x40845444 in QEventLoop::enterLoop () from /usr/lib/qt3/lib/libqt-mt.so.3
#31 0x40845236 in QEventLoop::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#32 0x4082f0df in QApplication::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#33 0x4181badc in kdemain () from /opt/kde3/lib/libkdeinit_konsole.so
#34 0x40d1f564 in kdeinitmain () from /opt/kde3/lib/kde3/konsole.so
#35 0x0804e99e in launch ()
#36 0x0804f0eb in handle_launcher_request ()
#37 0x0804f679 in handle_requests ()
#38 0x0804ffd2 in main ()

this is always reproducible.