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

I changed the configuration of the anti-aliasing of fonts in the KDE control center. After pressing the close button to the window, the crash handler showed up, with following backtrace:

Using host libthread_db library "/lib/tls/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 1096299936 (LWP 27130)]
[KCrash handler]
#9  0x419ec3e0 in scim::TransactionReader::valid ()
   from /usr/lib/libscim-1.0.so.6
#10 0x419ec432 in scim::TransactionReader::get_data_type ()
   from /usr/lib/libscim-1.0.so.6
#11 0x419ec490 in scim::Transaction::get_data_type ()
   from /usr/lib/libscim-1.0.so.6
#12 0x41934c4e in scim::QScimInputContext::panel_send_request ()
   from /usr/lib/qt3/plugins/inputmethods/libqscim.so
#13 0x4193512e 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 0x4191d714 in ~QMultiInputContext (this=0x816f968) 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 0x4018668d in KIO::DefaultProgress::~DefaultProgress ()
   from /opt/kde3/lib/libkio.so.4
#21 0x417b1418 in ProgressItem::~ProgressItem ()
   from /opt/kde3/lib/libkdeinit_kio_uiserver.so
#22 0x417b1618 in UIServer::jobFinished ()
   from /opt/kde3/lib/libkdeinit_kio_uiserver.so
#23 0x417b3917 in UIServer::process ()
   from /opt/kde3/lib/libkdeinit_kio_uiserver.so
#24 0x41365122 in DCOPClient::receive () from /opt/kde3/lib/libDCOP.so.4
#25 0x41369d56 in DCOPProcessInternal () from /opt/kde3/lib/libDCOP.so.4
#26 0x4136b397 in DCOPProcessMessage () from /opt/kde3/lib/libDCOP.so.4
#27 0x4137a8fb in KDE_IceProcessMessages () from /opt/kde3/lib/libDCOP.so.4
#28 0x41366467 in DCOPClient::processSocketData ()
   from /opt/kde3/lib/libDCOP.so.4
#29 0x4136b1bb in DCOPClient::qt_invoke () from /opt/kde3/lib/libDCOP.so.4
#30 0x40890c4e in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#31 0x4089127d in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#32 0x40beb990 in QSocketNotifier::activated ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#33 0x408b0610 in QSocketNotifier::event () from /usr/lib/qt3/lib/libqt-mt.so.3
#34 0x4082d62f in QApplication::internalNotify ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#35 0x4082f213 in QApplication::notify () from /usr/lib/qt3/lib/libqt-mt.so.3
#36 0x405710f1 in KApplication::notify () from /opt/kde3/lib/libkdecore.so.4
#37 0x40821636 in QEventLoop::activateSocketNotifiers ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#38 0x407da145 in QEventLoop::processEvents ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#39 0x408453f1 in QEventLoop::enterLoop () from /usr/lib/qt3/lib/libqt-mt.so.3
#40 0x40845236 in QEventLoop::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#41 0x4082f0df in QApplication::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#42 0x417aef89 in kdemain () from /opt/kde3/lib/libkdeinit_kio_uiserver.so
#43 0x40d1f564 in kdeinitmain () from /opt/kde3/lib/kde3/kio_uiserver.so
#44 0x0804e99e in launch ()
#45 0x0804f0eb in handle_launcher_request ()
#46 0x0804f679 in handle_requests ()
#47 0x0804ffd2 in main ()