Application: konqueror (4.3.85 (KDE 4.3.85 (KDE 4.4 Beta2)))
KDE Platform Version: 4.3.85 (KDE 4.3.85 (KDE 4.4 Beta2))
Qt Version: 4.6.0
Operating System: Linux 2.6.31-16-generic x86_64
Distribution: Ubuntu 9.10

-- Information about the crash:
I closed one instance of konqueror with 2 tabs opened. In one of them I was viewing a pdf using okular, in the other one I viewed a website.

 -- Backtrace:
Application: Konqueror (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[KCrash Handler]
#5  KonqMainWindow::slotPartActivated (this=0x252c870, part=0x3ccc0b0) at ../../../../apps/konqueror/src/konqmainwindow.cpp:1987
#6  0x00007fc86ecd623c in KonqViewManager::doSetActivePart (this=0x2532f80, part=0x3ccc0b0) at ../../../../apps/konqueror/src/konqviewmanager.cpp:1064
#7  0x00007fc87b4c9f40 in KParts::PartManager::eventFilter (this=0x2532f80, obj=<value optimized out>, ev=0x7fff8c2abfc0) at ../../kparts/partmanager.cpp:282
#8  0x00007fc87a34952b in QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=0x23faf30, receiver=0x38467f0, event=0x7fff8c2abfc0) at kernel/qcoreapplication.cpp:800
#9  0x00007fc8794efe06 in QApplicationPrivate::notify_helper (this=0x0, receiver=0x0, e=0x2bf3010) at kernel/qapplication.cpp:4217
#10 0x00007fc8794f648d in QApplication::notify (this=0x7fff8c2ad680, receiver=0x38467f0, e=0x7fff8c2abfc0) at kernel/qapplication.cpp:4125
#11 0x00007fc87a88e856 in KApplication::notify (this=0x7fff8c2ad680, receiver=0x38467f0, event=0x7fff8c2abfc0) at ../../kdeui/kernel/kapplication.cpp:302
#12 0x00007fc87a34a04c in QCoreApplication::notifyInternal (this=0x7fff8c2ad680, receiver=0x38467f0, event=0x7fff8c2abfc0) at kernel/qcoreapplication.cpp:704
#13 0x00007fc8794f51c6 in QApplicationPrivate::setFocusWidget (focus=0x38467f0, reason=Qt::TabFocusReason) at kernel/qapplication.cpp:2128
#14 0x00007fc879540581 in QWidget::setFocus (this=0x38467f0, reason=Qt::TabFocusReason) at kernel/qwidget.cpp:6113
#15 0x00007fc8795407c1 in QWidget::focusNextPrevChild (this=<value optimized out>, next=true) at kernel/qwidget.cpp:6257
#16 0x00007fc879543f05 in QWidgetPrivate::hide_helper (this=0x3d34110) at kernel/qwidget.cpp:7271
#17 0x00007fc87954c910 in QWidget::setVisible (this=0x3e0d480, visible=<value optimized out>) at kernel/qwidget.cpp:7431
#18 0x00007fc87952ef2c in QWidget::hide (this=0x3c1f970, index=1) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:485
#19 QStackedLayout::setCurrentIndex (this=0x3c1f970, index=1) at kernel/qstackedlayout.cpp:306
#20 0x00007fc8629a1cd0 in Sidebar::itemClicked (this=0x3bcf5d0, item=<value optimized out>) at ../../okular/ui/sidebar.cpp:638
#21 0x00007fc8629a1e08 in Sidebar::setCurrentIndex (this=0x0, index=<value optimized out>) at ../../okular/ui/sidebar.cpp:577
#22 0x00007fc8629a1f80 in Sidebar::setItemEnabled (this=0x3bcf5d0, index=<value optimized out>, enabled=<value optimized out>) at ../../okular/ui/sidebar.cpp:558
#23 0x00007fc862938055 in Okular::Part::qt_metacall (this=0x3ccc0b0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff8c2ac400) at ./part.moc:232
#24 0x00007fc87a35cdc3 in QMetaObject::activate (sender=0x3e0d480, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x393cfe0) at kernel/qobject.cpp:3294
#25 0x00007fc8629a954f in TOC::hasTOC (this=0x0, _t1=false) at ./toc.moc:93
#26 0x00007fc862650487 in Okular::Document::closeDocument (this=0x2fd65c0) at ../../okular/core/document.cpp:1831
#27 0x00007fc86292cc0d in Okular::Part::closeUrl (this=0x3ccc0b0) at ../../okular/part.cpp:1099
#28 0x00007fc86292d188 in ~Part (this=0x3ccc0b0, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>) at ../../okular/part.cpp:624
#29 0x00007fc86ecd1c5f in ~KonqView (this=0x2a94370, __in_chrg=<value optimized out>) at ../../../../apps/konqueror/src/konqview.cpp:131
#30 0x00007fc86ecd6947 in KonqViewManager::removeTab (this=0x2532f80, currentFrame=0x2a8b3a8, emitAboutToRemoveSignal=<value optimized out>) at ../../../../apps/konqueror/src/konqviewmanager.cpp:411
#31 0x00007fc86ed26c6d in KonqMainWindow::qt_metacall (this=0x252c870, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff8c2aca10) at ./konqmainwindow.moc:421
#32 0x00007fc87a35cdc3 in QMetaObject::activate (sender=0x401b810, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x393cfe0) at kernel/qobject.cpp:3294
#33 0x00007fc87a36467f in QSingleShotTimer::timerEvent (this=0x401b810) at kernel/qtimer.cpp:308
#34 0x00007fc87a359a33 in QObject::event (this=0x401b810, e=0x7fff8c2ad0e0) at kernel/qobject.cpp:1224
#35 0x00007fc8794efe8c in QApplicationPrivate::notify_helper (this=0x23faf30, receiver=0x401b810, e=0x7fff8c2ad0e0) at kernel/qapplication.cpp:4242
#36 0x00007fc8794f648d in QApplication::notify (this=0x7fff8c2ad680, receiver=0x401b810, e=0x7fff8c2ad0e0) at kernel/qapplication.cpp:4125
#37 0x00007fc87a88e856 in KApplication::notify (this=0x7fff8c2ad680, receiver=0x401b810, event=0x7fff8c2ad0e0) at ../../kdeui/kernel/kapplication.cpp:302
#38 0x00007fc87a34a04c in QCoreApplication::notifyInternal (this=0x7fff8c2ad680, receiver=0x401b810, event=0x7fff8c2ad0e0) at kernel/qcoreapplication.cpp:704
#39 0x00007fc87a376d52 in QCoreApplication::sendEvent (this=0x23febe0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#40 QTimerInfoList::activateTimers (this=0x23febe0) at kernel/qeventdispatcher_unix.cpp:603
#41 0x00007fc87a373958 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#42 idleTimerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#43 0x00007fc875780bce in g_main_dispatch (context=0x23fd220) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:1960
#44 IA__g_main_context_dispatch (context=0x23fd220) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2513
#45 0x00007fc875784598 in g_main_context_iterate (context=0x23fd220, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>)
    at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2591
#46 0x00007fc8757846c0 in IA__g_main_context_iteration (context=0x23fd220, may_block=1) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2654
#47 0x00007fc87a373623 in QEventDispatcherGlib::processEvents (this=0x2367930, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#48 0x00007fc87959e2fe in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#49 0x00007fc87a348972 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#50 0x00007fc87a348d4c in QEventLoop::exec (this=0x7fff8c2ad380, flags=) at kernel/qeventloop.cpp:201
#51 0x00007fc87a34ca8b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#52 0x00007fc86ed4e3a6 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../apps/konqueror/src/konqmain.cpp:271
#53 0x0000000000406fb8 in launch (argc=2, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=16, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x23c83a4 "hotaruSE;1262857274;398816;2396_TIME8505368") at ../../kinit/kinit.cpp:705
#54 0x0000000000407c70 in handle_launcher_request (sock=7, who=<value optimized out>) at ../../kinit/kinit.cpp:1197
#55 0x0000000000408121 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1390
#56 0x0000000000408dea in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1825

Reported using DrKonqi