Version:           3.5.6 (using KDE 3.5.6, PLD Linux Distribution)
Compiler:          gcc version 3.3.6 (PLD Linux)
OS:                Linux (i686) release 2.6.20

I've just closed a window with several tabs. One of the tabs asked if I'd like to discard changes (some interactive map from http://mapa.szukacz.pl/). Moment later it crashed:

Using host libthread_db library "/lib/tls/libthread_db.so.1".
[KCrash handler]
#6  0xb5cc455b in KHTMLPart::khtmlMouseMoveEvent (this=0xa149b98, 
    event=0xbfd92660) at khtml_part.cpp:6439
#7  0xb5cc2457 in KHTMLPart::customEvent (this=0xa149b98, event=0xbfd92660)
    at khtml_part.cpp:5953
#8  0xb709e3f1 in QObject::event () from /usr/lib/libqt-mt.so.3
#9  0xb704507c in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#10 0xb7044755 in QApplication::notify () from /usr/lib/libqt-mt.so.3
#11 0xb76b9580 in KApplication::notify (this=0xbfd932c0, receiver=0xa149b98, 
    event=0xbfd92660) at kapplication.cpp:550
#12 0xb7f650ca in QApplication::sendEvent (receiver=0xa149b98, 
    event=0xbfd92660) at /usr/include/qt/qapplication.h:496
#13 0xb5c85c71 in KHTMLView::viewportMouseMoveEvent (this=0xa165948, 
    _mouse=0xbfd92cc0) at khtmlview.cpp:1267
#14 0xb71b5c6a in QScrollView::eventFilter () from /usr/lib/libqt-mt.so.3
#15 0xb5c88518 in KHTMLView::eventFilter (this=0xa165948, o=0xa2a4650, 
    e=0xbfd92cc0) at khtmlview.cpp:1954
#16 0xb709e50e in QObject::activate_filters () from /usr/lib/libqt-mt.so.3
#17 0xb709e436 in QObject::event () from /usr/lib/libqt-mt.so.3
#18 0xb70d62ac in QWidget::event () from /usr/lib/libqt-mt.so.3
#19 0xb704507c in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#20 0xb7044843 in QApplication::notify () from /usr/lib/libqt-mt.so.3
#21 0xb76b9580 in KApplication::notify (this=0xbfd932c0, receiver=0xa2a4650, 
    event=0xbfd92cc0) at kapplication.cpp:550
#22 0xb6fda1c4 in QETWidget::translateMouseEvent ()
   from /usr/lib/libqt-mt.so.3
#23 0xb6fd7e99 in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3
#24 0xb6fef215 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#25 0xb70561aa in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#26 0xb7056048 in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#27 0xb70452a1 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#28 0xb6562cca in kdemain (argc=4, argv=0x807ca68) at konq_main.cc:206
#29 0xb75807d8 in kdeinitmain (argc=4, argv=0x807ca68) at konqueror_dummy.cc:3
#30 0x0804e890 in launch (argc=4, _name=0x8076e6c "konqueror", 
    args=0x8076f0a "/home/misiek", cwd=0x8076f0a "/home/misiek", envc=41, 
    envs=0x80773fa "", reset_env=true, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80773fe "wieszak;1176317304;389909;2867_TIME817259")
    at kinit.cpp:673
#31 0x0804fbb2 in handle_launcher_request (sock=5) at kinit.cpp:1238
#32 0x080501b0 in handle_requests (waitForPid=0) at kinit.cpp:1412
#33 0x080519d7 in main (argc=5, argv=0xbfd93994, envp=0xbfd939ac)
    at kinit.cpp:1909