Application that crashed: konqueror
Version of the application: 4.2.96 (KDE 4.2.96 (KDE 4.3 RC2))
KDE Version: 4.2.96 (KDE 4.2.96 (KDE 4.3 RC2))
Qt Version: 4.5.2
Operating System: Linux 2.6.31-3-generic i686

What I was doing when the application crashed:
I was browsing on google maps and when I pressed the back button, konqueror crashed.
There are several reports but I don't know how to check if it's a duplicate

 -- Backtrace:
Application: Konqueror (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#6  0x001a284c in QString::operator== (this=0xb488094, other=...) at tools/qstring.cpp:1912
#7  0x03f5ace0 in QString::operator!= (this=0x921aab0, stream=...) at /usr/include/qt4/QtCore/qstring.h:400
#8  KHTMLPart::restoreState (this=0x921aab0, stream=...) at ../../khtml/khtml_part.cpp:5412
#9  0x03f8389e in KHTMLPartBrowserExtension::restoreState (this=0xa4fc618, stream=...) at ../../khtml/khtml_ext.cpp:104
#10 0x05237ef8 in KonqView::restoreHistory (this=0x9582ef8) at ../../../../apps/konqueror/src/konqview.cpp:871
#11 0x0528ca10 in KonqMainWindow::slotGoHistoryDelayed (this=0x9320210) at ../../../../apps/konqueror/src/konqmainwindow.cpp:2859
#12 0x05295600 in KonqMainWindow::qt_metacall (this=0x9320210, _c=QMetaObject::InvokeMetaMethod, _id=106, _a=0xbff6d30c) at ./konqmainwindow.moc:441
#13 0x00265343 in QMetaObject::activate (sender=0xc472e90, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#14 0x00265fa2 in QMetaObject::activate (sender=0xc472e90, m=0x33f908, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#15 0x0026a467 in QSingleShotTimer::timeout (this=0xc472e90) at .moc/release-shared/qtimer.moc:76
#16 0x0026a57c in QSingleShotTimer::timerEvent (this=0xc472e90) at kernel/qtimer.cpp:298
#17 0x0025f49f in QObject::event (this=0xc472e90, e=0xbff6d7a0) at kernel/qobject.cpp:1075
#18 0x0152cc34 in QApplicationPrivate::notify_helper (this=0x91f44b8, receiver=0xc472e90, e=0xbff6d7a0) at kernel/qapplication.cpp:4056
#19 0x0153435c in QApplication::notify (this=0xbff6dba4, receiver=0xc472e90, e=0xbff6d7a0) at kernel/qapplication.cpp:3603
#20 0x010d2aaa in KApplication::notify (this=0xbff6dba4, receiver=0xc472e90, event=0xbff6d7a0) at ../../kdeui/kernel/kapplication.cpp:302
#21 0x0024f7ab in QCoreApplication::notifyInternal (this=0xbff6dba4, receiver=0xc472e90, event=0xbff6d7a0) at kernel/qcoreapplication.cpp:610
#22 0x0027c8ce in QCoreApplication::sendEvent (this=0x91fa7b4) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#23 QTimerInfoList::activateTimers (this=0x91fa7b4) at kernel/qeventdispatcher_unix.cpp:572
#24 0x0027a1c0 in timerSourceDispatch (source=0x91fa780) at kernel/qeventdispatcher_glib.cpp:165
#25 0x00d02bc8 in g_main_dispatch (context=0x91f9510) at /build/buildd/glib2.0-2.21.3/glib/gmain.c:1960
#26 IA__g_main_context_dispatch (context=0x91f9510) at /build/buildd/glib2.0-2.21.3/glib/gmain.c:2513
#27 0x00d06470 in g_main_context_iterate (context=0x91f9510, block=<value optimized out>, dispatch=1, self=0x9176e28) at /build/buildd/glib2.0-2.21.3/glib/gmain.c:2591
#28 0x00d065a3 in IA__g_main_context_iteration (context=0x91f9510, may_block=1) at /build/buildd/glib2.0-2.21.3/glib/gmain.c:2654
#29 0x0027a10c in QEventDispatcherGlib::processEvents (this=0x9176d38, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#30 0x015cd7a5 in QGuiEventDispatcherGlib::processEvents (this=0x9176d38, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#31 0x0024dd59 in QEventLoop::processEvents (this=0xbff6da64, flags=) at kernel/qeventloop.cpp:149
#32 0x0024e1aa in QEventLoop::exec (this=0xbff6da64, flags=...) at kernel/qeventloop.cpp:201
#33 0x0025061f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#34 0x0152cab7 in QApplication::exec () at kernel/qapplication.cpp:3525
#35 0x052c792f in kdemain (argc=2, argv=0x91744c8) at ../../../../apps/konqueror/src/konqmain.cpp:271
#36 0x0804de01 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x91ae584 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x91ae588 "miguel-laptop;1247925448;272189;3087_TIME8099734") at ../../kinit/kinit.cpp:676
#37 0x0804ea55 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1168
#38 0x0804efe3 in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1361
#39 0x0804fc2f in main (argc=2, argv=0xbff6e5e4, envp=0xbff6e5f0) at ../../kinit/kinit.cpp:1788

Reported using DrKonqi