Application that crashed: konqueror
Version of the application: 4.3.2 (KDE 4.3.2)
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.30-1-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

What I was doing when the application crashed:
Two tabs, one with https://bugs.kde.org/relogin.cgi, the other with http://www.google.com.
I closed the bugs.kde.org tab and Konqueror crashed.

This happens rather often independently of which pages or how many tabs I have loaded.

 -- Backtrace:
Application: Konqueror (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#5  KonqMainWindow::slotPartActivated (this=0x1adbfc0, part=0x255c740) at ../../../../apps/konqueror/src/konqmainwindow.cpp:1975
#6  0x00007fa3669c7c0b in KonqViewManager::doSetActivePart (this=0x1bde750, part=0x255c740) at ../../../../apps/konqueror/src/konqviewmanager.cpp:1031
#7  0x00007fa371e97007 in KParts::PartManager::eventFilter (this=0x1bde750, obj=<value optimized out>, ev=0x7fffca9ef600) at ../../kparts/partmanager.cpp:282
#8  0x00007fa37268b07c in QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=0x1a84810, receiver=0x25a5500, event=0x7fffca9ef600) at kernel/qcoreapplication.cpp:707
#9  0x00007fa370615f96 in QApplicationPrivate::notify_helper (this=0xffffffff, receiver=0x2663430, e=0x2663430) at kernel/qapplication.cpp:4040
#10 0x00007fa37061e07a in QApplication::notify (this=0x7fffca9f0820, receiver=0x25a5500, e=0x7fffca9ef600) at kernel/qapplication.cpp:4030
#11 0x00007fa37126f0db in KApplication::notify (this=0x7fffca9f0820, receiver=0x25a5500, event=0x7fffca9ef600) at ../../kdeui/kernel/kapplication.cpp:302
#12 0x00007fa37268bc9c in QCoreApplication::notifyInternal (this=0x7fffca9f0820, receiver=0x25a5500, event=0x7fffca9ef600) at kernel/qcoreapplication.cpp:610
#13 0x00007fa37061c7df in QApplicationPrivate::setFocusWidget (focus=0x25a5500, reason=Qt::TabFocusReason) at kernel/qapplication.cpp:2097
#14 0x00007fa370660525 in QWidget::setFocus (this=0x25a5500, reason=Qt::TabFocusReason) at kernel/qwidget.cpp:5752
#15 0x00007fa370660807 in QWidget::focusNextPrevChild (this=<value optimized out>, next=true) at kernel/qwidget.cpp:5896
#16 0x00007fa35d2d6382 in KHTMLView::focusNextPrevChild (this=0x258ce60, next=<value optimized out>) at ../../khtml/khtmlview.cpp:2014
#17 0x00007fa37066497d in QWidgetPrivate::hide_helper (this=0x258cec0) at kernel/qwidget.cpp:6860
#18 0x00007fa37066b860 in QWidget::setVisible (this=0x258ce60, visible=<value optimized out>) at kernel/qwidget.cpp:7017
#19 0x00007fa35d303b1f in QWidget::hide (this=0x255c740, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>) at /usr/include/qt4/QtGui/qwidget.h:477
#20 ~KHTMLPart (this=0x255c740, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>) at ../../khtml/khtml_part.cpp:612
#21 0x00007fa3669c1cac in ~KonqView (this=0x255ccd0, __in_chrg=<value optimized out>) at ../../../../apps/konqueror/src/konqview.cpp:132
#22 0x00007fa3669c827f in KonqViewManager::removeTab (this=0x1bde750, currentFrame=0x25557c8, emitAboutToRemoveSignal=<value optimized out>) at ../../../../apps/konqueror/src/konqviewmanager.cpp:400
#23 0x00007fa366a1ca83 in KonqMainWindow::qt_metacall (this=0x1adbfc0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffca9efc50) at ./konqmainwindow.moc:417
#24 0x00007fa3726a0df2 in QMetaObject::activate (sender=0x2986070, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x2bd8130) at kernel/qobject.cpp:3112
#25 0x00007fa3726a5f5f in QSingleShotTimer::timerEvent (this=0x2986070) at kernel/qtimer.cpp:298
#26 0x00007fa37269b353 in QObject::event (this=0x2986070, e=0x2663430) at kernel/qobject.cpp:1074
#27 0x00007fa37061601d in QApplicationPrivate::notify_helper (this=0x1a84810, receiver=0x2986070, e=0x7fffca9f0310) at kernel/qapplication.cpp:4065
#28 0x00007fa37061e07a in QApplication::notify (this=0x7fffca9f0820, receiver=0x2986070, e=0x7fffca9f0310) at kernel/qapplication.cpp:4030
#29 0x00007fa37126f0db in KApplication::notify (this=0x7fffca9f0820, receiver=0x2986070, event=0x7fffca9f0310) at ../../kdeui/kernel/kapplication.cpp:302
#30 0x00007fa37268bc9c in QCoreApplication::notifyInternal (this=0x7fffca9f0820, receiver=0x2986070, event=0x7fffca9f0310) at kernel/qcoreapplication.cpp:610
#31 0x00007fa3726b82c6 in QCoreApplication::sendEvent (this=0x1a88440) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#32 QTimerInfoList::activateTimers (this=0x1a88440) at kernel/qeventdispatcher_unix.cpp:580
#33 0x00007fa3726b4658 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#34 idleTimerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#35 0x00007fa36f53012a in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#36 0x00007fa36f533988 in ?? () from /lib/libglib-2.0.so.0
#37 0x00007fa36f533b3c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#38 0x00007fa3726b439c in QEventDispatcherGlib::processEvents (this=0x19e5850, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#39 0x00007fa3706acf1f in QGuiEventDispatcherGlib::processEvents (this=0xffffffff, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#40 0x00007fa37268a562 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#41 0x00007fa37268a934 in QEventLoop::exec (this=0x7fffca9f05c0, flags=...) at kernel/qeventloop.cpp:201
#42 0x00007fa37268cba4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#43 0x00007fa366a480c9 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../apps/konqueror/src/konqmain.cpp:257
#44 0x0000000000407264 in launch (argc=4, _name=0x1a3ffd8 "konqueror", args=<value optimized out>, cwd=0x1a40022 "/home/mimenda/Documentos", envc=27, envs=0x1a4045c "", reset_env=true, tty=0x0, 
    avoid_loops=false, startup_id_str=0x1a40465 "PC;1255134155;340152;6853_TIME14481945") at ../../kinit/kinit.cpp:677
#45 0x0000000000407a28 in handle_launcher_request (sock=17, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#46 0x0000000000407f8e in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1353
#47 0x000000000040863b in main (argc=2, argv=0x7fffca9f1e08, envp=0x7fffca9f1e20) at ../../kinit/kinit.cpp:1793

This bug may be a duplicate of or related to bug 209717

Reported using DrKonqi