Version:           3.5.6 (using KDE 3.5.6, Debian Package 4:3.5.6.r1.dfsg.1-1 (4.0))
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.18rs

I was seeing a file that changed and then opened a tab an konqueror crashed(SIGSEGV):

Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1232582432 (LWP 7853)]
[KCrash handler]
#6  0xb7150344 in QString::unicode (this=0x89bbb2c)
    at ../include/qstring.h:653
#7  0xb753c647 in operator== (s1=@0x89bbb2c, s2=@0xbfc8ba7c)
    at tools/qstring.cpp:6455
#8  0xb7b34036 in KDirWatchPrivate::slotActivated (this=0x8375558)
    at /tmp/buildd/kdelibs-3.5.6.r1.dfsg.1/./kio/kio/kdirwatch.cpp:439
#9  0xb7b341cc in KDirWatchPrivate::qt_invoke (this=0x8375558, _id=4, 
    _o=0xbfc8bb68) at ./kdirwatch_p.moc:90
#10 0xb7225d4f in QObject::activate_signal (this=0x8375ce0, clist=0x8375db0, 
    o=0xbfc8bb68) at kernel/qobject.cpp:2356
#11 0xb7226656 in QObject::activate_signal (this=0x8375ce0, signal=2, 
    param=12) at kernel/qobject.cpp:2449
#12 0xb75afb2f in QSocketNotifier::activated (this=0x8375ce0, t0=12)
    at .moc/debug-shared-mt/moc_qsocketnotifier.cpp:85
#13 0xb72484fa in QSocketNotifier::event (this=0x8375ce0, e=0xbfc8bec0)
    at kernel/qsocketnotifier.cpp:258
#14 0xb71bdc26 in QApplication::internalNotify (this=0xbfc8cdbc, 
    receiver=0x8375ce0, e=0xbfc8bec0) at kernel/qapplication.cpp:2635
#15 0xb71bfa43 in QApplication::notify (this=0xbfc8cdbc, receiver=0x8375ce0, 
    e=0xbfc8bec0) at kernel/qapplication.cpp:2358
#16 0xb7893c3e in KApplication::notify (this=0xbfc8cdbc, receiver=0x8375ce0, 
    event=0xbfc8bec0)
    at /tmp/buildd/kdelibs-3.5.6.r1.dfsg.1/./kdecore/kapplication.cpp:550
#17 0xb7151421 in QApplication::sendEvent (receiver=0x8375ce0, 
    event=0xbfc8bec0) at ../include/qapplication.h:520
#18 0xb71affd9 in QEventLoop::activateSocketNotifiers (this=0x80cded8)
    at kernel/qeventloop_unix.cpp:578
#19 0xb7165754 in QEventLoop::processEvents (this=0x80cded8, flags=4)
    at kernel/qeventloop_x11.cpp:383
#20 0xb71d8179 in QEventLoop::enterLoop (this=0x80cded8)
    at kernel/qeventloop.cpp:198
#21 0xb71bf73d in QApplication::enter_loop (this=0xbfc8cdbc)
    at kernel/qapplication.cpp:2793
#22 0xb73d9181 in QDialog::exec (this=0x87fa3f8) at dialogs/qdialog.cpp:432
#23 0xb589d9a8 in KateSearch::find (this=0x815fc70)
    at /tmp/buildd/kdelibs-3.5.6.r1.dfsg.1/./kate/part/katesearch.cpp:106
#24 0xb589dbce in KateSearch::qt_invoke (this=0x815fc70, _id=2, _o=0xbfc8c23c)
    at ./katesearch.moc:123
#25 0xb7225d4f in QObject::activate_signal (this=0x847ade8, clist=0x86f4b70, 
    o=0xbfc8c23c) at kernel/qobject.cpp:2356
#26 0xb72267e0 in QObject::activate_signal (this=0x847ade8, signal=2)
    at kernel/qobject.cpp:2325
#27 0xb6c51869 in KAction::activated (this=0x847ade8) at ./kaction.moc:176
#28 0xb6c8acd1 in KAction::slotActivated (this=0x847ade8)
    at /tmp/buildd/kdelibs-3.5.6.r1.dfsg.1/./kdeui/kaction.cpp:1102
#29 0xb6d569ef in KAction::qt_invoke (this=0x847ade8, _id=15, _o=0xbfc8c34c)
    at ./kaction.moc:218
#30 0xb7225d4f in QObject::activate_signal (this=0x8678650, clist=0x878af20, 
    o=0xbfc8c34c) at kernel/qobject.cpp:2356
#31 0xb72267e0 in QObject::activate_signal (this=0x8678650, signal=2)
    at kernel/qobject.cpp:2325
#32 0xb77c9969 in KAccelPrivate::menuItemActivated (this=0x8678650)
    at ./kaccelprivate.moc:110
#33 0xb7819957 in KAccelPrivate::emitActivatedSignal (this=0x8678650, 
    pAction=0x89a27d0)
    at /tmp/buildd/kdelibs-3.5.6.r1.dfsg.1/./kdecore/kaccel.cpp:403
#34 0xb78ac9fc in KAccelPrivate::eventFilter (this=0x8678650, 
    pEvent=0xbfc8c83c)
    at /tmp/buildd/kdelibs-3.5.6.r1.dfsg.1/./kdecore/kaccel.cpp:373
#35 0xb7225302 in QObject::activate_filters (this=0x81030a8, e=0xbfc8c83c)
    at kernel/qobject.cpp:903
#36 0xb7225380 in QObject::event (this=0x81030a8, e=0xbfc8c83c)
    at kernel/qobject.cpp:735
#37 0xb725c612 in QWidget::event (this=0x81030a8, e=0xbfc8c83c)
    at kernel/qwidget.cpp:4678
#38 0xb73318bc in QMainWindow::event (this=0x81030a8, e=0xbfc8c83c)
    at widgets/qmainwindow.cpp:1687
#39 0xb65ff512 in KonqMainWindow::event (this=0x81030a8, e=0xbfc8c83c)
    at /tmp/buildd/kdebase-3.5.6.dfsg.1/./konqueror/konq_mainwindow.cc:5751
#40 0xb71bdc26 in QApplication::internalNotify (this=0xbfc8cdbc, 
    receiver=0x81030a8, e=0xbfc8c83c) at kernel/qapplication.cpp:2635
#41 0xb71bfbda in QApplication::notify (this=0xbfc8cdbc, receiver=0x89b7480, 
    e=0xbfc8c83c) at kernel/qapplication.cpp:2392
#42 0xb7893c3e in KApplication::notify (this=0xbfc8cdbc, receiver=0x89b7480, 
    event=0xbfc8c83c)
    at /tmp/buildd/kdelibs-3.5.6.r1.dfsg.1/./kdecore/kapplication.cpp:550
#43 0xb7825d07 in KAccelEventHandler::x11Event (this=0x813db58, 
    pEvent=0xbfc8cb68) at /usr/share/qt3/include/qapplication.h:520
#44 0xb7892093 in KApplication::x11EventFilter (this=0xbfc8cdbc, 
    _event=0xbfc8cb68)
    at /tmp/buildd/kdelibs-3.5.6.r1.dfsg.1/./kdecore/kapplication.cpp:1651
#45 0xb713e183 in qt_x11EventFilter (ev=0xbfc8cb68)
    at kernel/qapplication_x11.cpp:387
#46 0xb714e0ab in QApplication::x11ProcessEvent (this=0xbfc8cdbc, 
    event=0xbfc8cb68) at kernel/qapplication_x11.cpp:3343
#47 0xb7164d02 in QEventLoop::processEvents (this=0x80cded8, flags=4)
    at kernel/qeventloop_x11.cpp:192
#48 0xb71d8179 in QEventLoop::enterLoop (this=0x80cded8)
    at kernel/qeventloop.cpp:198
#49 0xb71d7f9a in QEventLoop::exec (this=0x80cded8)
    at kernel/qeventloop.cpp:145
#50 0xb71bf7bf in QApplication::exec (this=0xbfc8cdbc)
    at kernel/qapplication.cpp:2758
#51 0xb661c5d5 in kdemain (argc=2, argv=0x80824f8)
    at /tmp/buildd/kdebase-3.5.6.dfsg.1/./konqueror/konq_main.cc:206
#52 0xb7f1b524 in kdeinitmain (argc=2, argv=0x80824f8) at konqueror_dummy.cc:3
#53 0x0804e457 in launch (argc=2, _name=0x8082924 "konqueror", 
    args=0x8082936 "", cwd=0x0, envc=1, envs=0x8082947 "", reset_env=false, 
    tty=0x0, avoid_loops=false, 
    startup_id_str=0x808294c "parvo;1171231626;272876;5646_TIME3000521573")
    at /tmp/buildd/kdelibs-3.5.6.r1.dfsg.1/./kinit/kinit.cpp:673
#54 0x0804ecf9 in handle_launcher_request (sock=9)
    at /tmp/buildd/kdelibs-3.5.6.r1.dfsg.1/./kinit/kinit.cpp:1240
#55 0x0804f092 in handle_requests (waitForPid=0)
    at /tmp/buildd/kdelibs-3.5.6.r1.dfsg.1/./kinit/kinit.cpp:1443
#56 0x080502b1 in main (argc=5, argv=0xbfc8d874, envp=0xbfc8d88c)
    at /tmp/buildd/kdelibs-3.5.6.r1.dfsg.1/./kinit/kinit.cpp:1909
#57 0xb7c89ea8 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#58 0x0804b911 in _start () at ../sysdeps/i386/elf/start.S:119