Application that crashed: konqueror
Version of the application: 4.3.00 (KDE 4.3.0)
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.29-gentoo-r2 i686

What I was doing when the application crashed:
I have enabled the option to load plugin (like Flash) only on demand : When I applied the change, Konqueror has crashed.

 -- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
[Current thread is 0 (LWP 26192)]

Thread 4 (Thread 0xb3cd0b70 (LWP 20261)):
#0  0xb805b424 in __kernel_vsyscall ()
#1  0x4f4ee472 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:179
#2  0x4104f33f in QWaitCondition::wait (this=0xb264cb8, mutex=0xb264cb4, time=30000) at thread/qwaitcondition_unix.cpp:85
#3  0x41045812 in QThreadPoolThread::run (this=) at concurrent/qthreadpool.cpp:140
#4  0x4104e52a in QThreadPrivate::start (arg=0xb4505148) at thread/qthread_unix.cpp:188
#5  0x4f4ea450 in start_thread (arg=0xb3cd0b70) at pthread_create.c:297
#6  0x4f43ba2e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xb44ffb70 (LWP 20283)):
#0  0xb805b424 in __kernel_vsyscall ()
#1  0x4f4ee472 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:179
#2  0x4104f33f in QWaitCondition::wait (this=0xb264cb8, mutex=0xb264cb4, time=30000) at thread/qwaitcondition_unix.cpp:85
#3  0x41045812 in QThreadPoolThread::run (this=) at concurrent/qthreadpool.cpp:140
#4  0x4104e52a in QThreadPrivate::start (arg=0xb450c728) at thread/qthread_unix.cpp:188
#5  0x4f4ea450 in start_thread (arg=0xb44ffb70) at pthread_create.c:297
#6  0x4f43ba2e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xb34cfb70 (LWP 20284)):
#0  0xb805b424 in __kernel_vsyscall ()
#1  0x4f4ee472 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:179
#2  0x4104f33f in QWaitCondition::wait (this=0xb264cb8, mutex=0xb264cb4, time=30000) at thread/qwaitcondition_unix.cpp:85
#3  0x41045812 in QThreadPoolThread::run (this=) at concurrent/qthreadpool.cpp:140
#4  0x4104e52a in QThreadPrivate::start (arg=0xa9ec458) at thread/qthread_unix.cpp:188
#5  0x4f4ea450 in start_thread (arg=0xb34cfb70) at pthread_create.c:297
#6  0x4f43ba2e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb801e700 (LWP 26192)):
[KCrash Handler]
#6  0x45192abd in DOM::NodeImpl::traverseNextNode (this=<value optimized out>, stayWithin=) at /var/tmp/portage/kde-base/kdelibs-4.3.0/work/kdelibs-4.3.0/khtml/xml/dom_nodeimpl.cpp:753
#7  0x451087e8 in KHTMLPart::runAdFilter (this=0xabb6bd8) at /var/tmp/portage/kde-base/kdelibs-4.3.0/work/kdelibs-4.3.0/khtml/khtml_part.cpp:6558
#8  0x4510e046 in KHTMLPart::reparseConfiguration (this=0xabb6bd8) at /var/tmp/portage/kde-base/kdelibs-4.3.0/work/kdelibs-4.3.0/khtml/khtml_part.cpp:5861
#9  0x451604c7 in KHTMLPartBrowserExtension::qt_metacall (this=) at /var/tmp/portage/kde-base/kdelibs-4.3.0/work/kdelibs-4.3.0/khtml/khtml_ext.cpp:364
#10 0x4113fc15 in QMetaMethod::invoke (this=) at kernel/qmetaobject.cpp:1522
#11 0x4114031f in QMetaObject::invokeMethod (obj=) at kernel/qmetaobject.cpp:1114
#12 0x4169f123 in KonqView::callExtensionMethod (this=) at /usr/include/qt4/QtCore/qobjectdefs.h:387
#13 0x4169f191 in KonqView::reparseConfiguration (this=<value optimized out>) at /var/tmp/portage/kde-base/konqueror-4.3.0-r1/work/konqueror-4.3.0/konqueror/src/konqview.cpp:1170
#14 0x416fbcf3 in KonqMainWindow::reparseConfiguration (this=<value optimized out>) at /var/tmp/portage/kde-base/konqueror-4.3.0-r1/work/konqueror-4.3.0/konqueror/src/konqmainwindow.cpp:4817
#15 0x41696792 in KonquerorApplication::slotReparseConfiguration (this=) at /var/tmp/portage/kde-base/konqueror-4.3.0-r1/work/konqueror-4.3.0/konqueror/src/konqapplication.cpp:52
#16 0x41696aa4 in KonquerorApplication::qt_metacall (this=) at /var/tmp/portage/kde-base/konqueror-4.3.0-r1/work/konqueror-4.3.0_build/konqueror/src/konqapplication.moc:74
#17 0x412cbe92 in QDBusConnectionPrivate::deliverCall (this=) at qdbusintegrator.cpp:891
#18 0x412d2e16 in QDBusCallDeliveryEvent::placeMetaCall (this=) at qdbusintegrator_p.h:101
#19 0x41147b26 in QObject::event (this=) at kernel/qobject.cpp:1099
#20 0x4113751b in QCoreApplication::event (this=) at kernel/qcoreapplication.cpp:1434
#21 0x42bba9f7 in QApplication::event (this=) at kernel/qapplication.cpp:2317
#22 0x42bb82f4 in QApplicationPrivate::notify_helper (this=<value optimized out>, receiver=<value optimized out>, e=<value optimized out>) at kernel/qapplication.cpp:4056
#23 0x42bc11ab in QApplication::notify (this=) at kernel/qapplication.cpp:3603
#24 0x43d3d152 in KApplication::notify (this=<value optimized out>, receiver=) at /var/tmp/portage/kde-base/kdelibs-4.3.0/work/kdelibs-4.3.0/kdeui/kernel/kapplication.cpp:302
#25 0x41137bfd in QCoreApplication::notifyInternal (this=) at kernel/qcoreapplication.cpp:606
#26 0x41138534 in QCoreApplicationPrivate::sendPostedEvents (receiver=) at kernel/qcoreapplication.h:213
#27 0x411386bd in QCoreApplication::sendPostedEvents (receiver=) at kernel/qcoreapplication.cpp:1140
#28 0x41160f3e in postEventSourceDispatch (s=) at kernel/qcoreapplication.h:218
#29 0x4212a8fb in IA__g_main_context_dispatch (context=0x9e68e90) at gmain.c:1824
#30 0x4212e068 in g_main_context_iterate (context=0x9e68e90, block=1, dispatch=1, self=0x9e66e00) at gmain.c:2455
#31 0x4212e1f0 in IA__g_main_context_iteration (context=0x9e68e90, may_block=1) at gmain.c:2518
#32 0x41160b79 in QEventDispatcherGlib::processEvents (this=) at kernel/qeventdispatcher_glib.cpp:327
#33 0x42c4d99b in QGuiEventDispatcherGlib::processEvents (this=) at kernel/qguieventdispatcher_glib.cpp:202
#34 0x411362b4 in QEventLoop::processEvents (this=) at kernel/qeventloop.cpp:149
#35 0x4113648d in QEventLoop::exec (this=) at kernel/qeventloop.cpp:197
#36 0x41138792 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#37 0x42bb8145 in QApplication::exec () at kernel/qapplication.cpp:3525
#38 0x4173c43f in kdemain (argc=) at /var/tmp/portage/kde-base/konqueror-4.3.0-r1/work/konqueror-4.3.0/konqueror/src/konqmain.cpp:257
#39 0x0804882f in main (argc=0, argv=0x0) at /var/tmp/portage/kde-base/konqueror-4.3.0-r1/work/konqueror-4.3.0_build/konqueror/src/konqueror_dummy.cpp:3

This bug may be a duplicate of or related to bug 190833

Reported using DrKonqi