Application that crashed: dolphin
Version of the application: 1.3
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-1-amd64 x86_64
Distribution: Debian GNU/Linux testing (squeeze)

What I was doing when the application crashed:
after a new update the bug is still

 -- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[KCrash Handler]
#5  KUrlNavigator::Private::updateContent (this=0x752e6c656363616b) at ../../kfile/kurlnavigator.cpp:481
#6  0x00007f0095e53d93 in KUrlNavigator::setUrl (this=0x10e4630, newUrl=<value optimized out>) at ../../kfile/kurlnavigator.cpp:1024
#7  0x00007f0095e550a6 in KUrlNavigator::Private::slotReturnPressed (this=0x10e5ea0) at ../../kfile/kurlnavigator.cpp:341
#8  0x00007f0095e55407 in KUrlNavigator::qt_metacall (this=0x10e4630, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa4e8ebe0) at ./kurlnavigator.moc:113
#9  0x00007f00930c5602 in QMetaObject::activate (sender=0x10e5310, from_signal_index=<value optimized out>, to_signal_index=51, argv=0x1) at kernel/qobject.cpp:3112
#10 0x00007f0094977628 in KComboBox::qt_metacall (this=0x10e5310, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa4e8ed20) at ./kcombobox.moc:105
#11 0x00007f00962a82f5 in KUrlComboBox::qt_metacall (this=0x752e6c656363616b, _c=14511780, _id=17712688, _a=0x1) at ./kurlcombobox.moc:70
#12 0x00007f00930c5602 in QMetaObject::activate (sender=0x10e9a90, from_signal_index=<value optimized out>, to_signal_index=30, argv=0x1) at kernel/qobject.cpp:3112
#13 0x00007f0094996456 in KLineEdit::event (this=0x10e9a90, ev=0x7fffa4e8f520) at ../../kdeui/widgets/klineedit.cpp:1305
#14 0x00007f009390adc0 in QComboBox::keyPressEvent (this=0x10e5310, e=0x7fffa4e8f520) at widgets/qcombobox.cpp:2879
#15 0x00007f00935cd9da in QWidget::event (this=0x10e5310, event=0x7fffa4e8f520) at kernel/qwidget.cpp:7584
#16 0x00007f009357d7ad in QApplicationPrivate::notify_helper (this=0xdfccd0, receiver=0x10e5310, e=0x7fffa4e8f520) at kernel/qapplication.cpp:4056
#17 0x00007f009358670f in QApplication::notify (this=<value optimized out>, receiver=0x10e5310, e=0x7fffa4e8f520) at kernel/qapplication.cpp:3662
#18 0x00007f00948cdb2b in KApplication::notify (this=0x7fffa4e916e0, receiver=0x10e5310, event=0x7fffa4e8f520) at ../../kdeui/kernel/kapplication.cpp:302
#19 0x00007f00930b049c in QCoreApplication::notifyInternal (this=0x7fffa4e916e0, receiver=0x10e5310, event=0x7fffa4e8f520) at kernel/qcoreapplication.cpp:610
#20 0x00007f0093611184 in QKeyMapper::sendKeyEvent (keyWidget=0x10e5310, grab=<value optimized out>, type=QEvent::KeyPress, code=16777221, modifiers=..., text=..., autorepeat=false, count=1, 
    nativeScanCode=104, nativeVirtualKey=65421, nativeModifiers=16) at kernel/qkeymapper_x11.cpp:1675
#21 0x00007f0093613459 in QKeyMapperPrivate::translateKeyEvent (this=0xe45530, keyWidget=0x10e5310, event=0x7fffa4e91320, grab=164) at kernel/qkeymapper_x11.cpp:1645
#22 0x00007f00935ec44e in QApplication::x11ProcessEvent (this=0x7fffa4e916e0, event=0x7fffa4e91320) at kernel/qapplication_x11.cpp:3443
#23 0x00007f0093614e3c in x11EventSourceDispatch (s=0xdfff20, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#24 0x00007f008f0037aa in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#25 0x00007f008f006df8 in ?? () from /usr/lib/libglib-2.0.so.0
#26 0x00007f008f006fac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#27 0x00007f00930d8b7f in QEventDispatcherGlib::processEvents (this=0xdd65c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#28 0x00007f00936145ef in QGuiEventDispatcherGlib::processEvents (this=0x752e6c656363616b, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#29 0x00007f00930aed62 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#30 0x00007f00930af134 in QEventLoop::exec (this=0x7fffa4e91650, flags=...) at kernel/qeventloop.cpp:201
#31 0x00007f00930b13a4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#32 0x000000000043946d in main (argc=5, argv=0x7fffa4e91bc8) at ../../../../apps/dolphin/src/main.cpp:94

Reported using DrKonqi