Application that crashed: konqueror
Version of the application: 4.3.3 (KDE 4.3.3)
KDE Version: 4.3.3 (KDE 4.3.3)
Qt Version: 4.5.3
Operating System: Linux 2.6.31-ARCH i686

What I was doing when the application crashed:
Just I changed to another open tab and konqueror crashed, from a tab with a open web site to another one with a open folder.

 -- Backtrace:
Application: Konqueror (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb55bd700 (LWP 30062))]

Thread 3 (Thread 0xaf79bb70 (LWP 30074)):
#0  0xb779b424 in __kernel_vsyscall ()
#1  0xb753bec2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb7599fef in QWaitConditionPrivate::wait (this=0x84e9720, mutex=0x84e971c, time=30000) at thread/qwaitcondition_unix.cpp:85
#3  QWaitCondition::wait (this=0x84e9720, mutex=0x84e971c, time=30000) at thread/qwaitcondition_unix.cpp:159
#4  0xb758f83e in QThreadPoolThread::run (this=0x84fc128) at concurrent/qthreadpool.cpp:140
#5  0xb7599052 in QThreadPrivate::start (arg=0x84fc128) at thread/qthread_unix.cpp:188
#6  0xb753765c in start_thread () from /lib/libpthread.so.0
#7  0xb5fd03be in clone () from /lib/libc.so.6

Thread 2 (Thread 0xaef5fb70 (LWP 30075)):
#0  0xb779b424 in __kernel_vsyscall ()
#1  0xb753bec2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb7599fef in QWaitConditionPrivate::wait (this=0x84e9720, mutex=0x84e971c, time=30000) at thread/qwaitcondition_unix.cpp:85
#3  QWaitCondition::wait (this=0x84e9720, mutex=0x84e971c, time=30000) at thread/qwaitcondition_unix.cpp:159
#4  0xb758f83e in QThreadPoolThread::run (this=0x9503850) at concurrent/qthreadpool.cpp:140
#5  0xb7599052 in QThreadPrivate::start (arg=0x9503850) at thread/qthread_unix.cpp:188
#6  0xb753765c in start_thread () from /lib/libpthread.so.0
#7  0xb5fd03be in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb55bd700 (LWP 30062)):
[KCrash Handler]
#6  QBasicAtomicInt::ref (this=0xbfe69e60, other=...) at ../../include/QtCore/../../src/corelib/arch/qatomic_i386.h:120
#7  QUrl (this=0xbfe69e60, other=...) at io/qurl.cpp:3938
#8  0xb73859d9 in KUrl (this=0xbfe69e60, _u=...) at /home/phil/kdemod/core/kdelibs/src/kdelibs-4.3.3/kdecore/io/kurl.cpp:468
#9  0xb6f96779 in KDirListerCache::findByUrl (this=0x86d4738, lister=0x3, _u=...) at /home/phil/kdemod/core/kdelibs/src/kdelibs-4.3.3/kio/kio/kdirlister.cpp:723
#10 0xb6f96ace in KDirLister::findByUrl (this=0x3, _url=...) at /home/phil/kdemod/core/kdelibs/src/kdelibs-4.3.3/kio/kio/kdirlister.cpp:2049
#11 0xb1655102 in KHTMLPart::htmlDocument (this=0x868d530) at /home/phil/kdemod/core/kdelibs/src/kdelibs-4.3.3/khtml/khtml_part.cpp:1001
#12 0xb1bc0a1b in SearchBarPlugin::HTMLDocLoaded() () from /usr/lib/kde4/searchbarplugin.so
#13 0xb1bc67a3 in SearchBarPlugin::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/kde4/searchbarplugin.so
#14 0xb769cfdc in QMetaObject::activate (sender=0x95d6e48, from_signal_index=<value optimized out>, to_signal_index=8, argv=0xfcc9c381) at kernel/qobject.cpp:3112
#15 0xb769dc12 in QMetaObject::activate (sender=0x95d6e48, m=0xb72b6030, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3186
#16 0xb728e3a7 in KParts::ReadOnlyPart::completed (this=0x95d6e48) at /home/phil/kdemod/core/kdelibs/src/build/kparts/part.moc:207
#17 0xb1640485 in KHTMLView::timerEvent (this=0x9607ea0, e=0xbfe6a900) at /home/phil/kdemod/core/kdelibs/src/kdelibs-4.3.3/khtml/khtmlview.cpp:4224
#18 0xb769718f in QObject::event (this=0x9607ea0, e=0xbfe6a900) at kernel/qobject.cpp:1074
#19 0xb62b2ac6 in QWidget::event (this=0x9607ea0, event=0xbfe6a900) at kernel/qwidget.cpp:7951
#20 0xb6659253 in QFrame::event (this=0x9607ea0, e=0xbfe6a900) at widgets/qframe.cpp:559
#21 0xb66f74ca in QAbstractScrollArea::event (this=0x9607ea0, e=0xbfe6a900) at widgets/qabstractscrollarea.cpp:918
#22 0xb66fc4bd in QScrollArea::event (this=0x9607ea0, e=0xbfe6a900) at widgets/qscrollarea.cpp:314
#23 0xb164272c in KHTMLView::event (this=0x9607ea0, e=0xbfe6a900) at /home/phil/kdemod/core/kdelibs/src/kdelibs-4.3.3/khtml/khtmlview.cpp:546
#24 0xb625e924 in QApplicationPrivate::notify_helper (this=0x834bbf8, receiver=0x9607ea0, e=0xbfe6a900) at kernel/qapplication.cpp:4065
#25 0xb6265f5a in QApplication::notify (this=0xbfe6ad04, receiver=0x9607ea0, e=0xbfe6a900) at kernel/qapplication.cpp:4030
#26 0xb6ca15ca in KApplication::notify (this=0xbfe6ad04, receiver=0x9607ea0, event=0xbfe6a900) at /home/phil/kdemod/core/kdelibs/src/kdelibs-4.3.3/kdeui/kernel/kapplication.cpp:302
#27 0xb76875bb in QCoreApplication::notifyInternal (this=0xbfe6ad04, receiver=0x9607ea0, event=0xbfe6a900) at kernel/qcoreapplication.cpp:610
#28 0xb76b4efe in QCoreApplication::sendEvent (this=0x834ed34) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#29 QTimerInfoList::activateTimers (this=0x834ed34) at kernel/qeventdispatcher_unix.cpp:580
#30 0xb76b2007 in timerSourceDispatch (source=0x834ed70) at kernel/qeventdispatcher_glib.cpp:184
#31 idleTimerSourceDispatch (source=0x834ed70) at kernel/qeventdispatcher_glib.cpp:231
#32 0xb5e65328 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#33 0xb5e68ba0 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#34 0xb5e68cd3 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#35 0xb76b1d25 in QEventDispatcherGlib::processEvents (this=0x82b1330, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#36 0xb62fc705 in QGuiEventDispatcherGlib::processEvents (this=0x82b1330, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#37 0xb7685ba9 in QEventLoop::processEvents (this=0xbfe6abc4, flags=) at kernel/qeventloop.cpp:149
#38 0xb7685ffa in QEventLoop::exec (this=0xbfe6abc4, flags=...) at kernel/qeventloop.cpp:201
#39 0xb768846f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#40 0xb625e7a7 in QApplication::exec () at kernel/qapplication.cpp:3525
#41 0xb402af0f in kdemain (argc=2, argv=0x82f9040) at /home/phil/kdemod/core/kdebase/src/kdebase-4.3.3/apps/konqueror/src/konqmain.cpp:271
#42 0x0804de42 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x82f9534 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x82f9538 "zuargo-archlinux;1257719012;497163;2656_TIME16957110") at /home/phil/kdemod/core/kdelibs/src/kdelibs-4.3.3/kinit/kinit.cpp:677
#43 0x0804e9ad in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at /home/phil/kdemod/core/kdelibs/src/kdelibs-4.3.3/kinit/kinit.cpp:1169
#44 0x0804ee44 in handle_requests (waitForPid=<value optimized out>) at /home/phil/kdemod/core/kdelibs/src/kdelibs-4.3.3/kinit/kinit.cpp:1362
#45 0x0804f63f in main (argc=2, argv=0xbfe6b814, envp=0xbfe6b820) at /home/phil/kdemod/core/kdelibs/src/kdelibs-4.3.3/kinit/kinit.cpp:1793

Reported using DrKonqi