Application that crashed: dolphin
Version of the application: 1.3
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.31-gentoo-r6 i686

What I was doing when the application crashed:
Opened dolping, opened a zip with ark, from ark opened okular with a pdf. Crash on closing okular

 -- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[KCrash Handler]
#6  0xb6a9616e in QMutex::lock (this=0xb6ba6366) at thread/qmutex.cpp:152
#7  0xb6c3c772 in mutex_lock (mutex=0xb6ba6366) at qdbusthread.cpp:69
#8  0xb5b7fc1a in _dbus_mutex_lock (mutex=0x83e58955) at dbus-threads.c:150
#9  0xb5b680a6 in _dbus_connection_lock (connection=0xb72f4aa8) at dbus-connection.c:355
#10 0xb5b7aa5c in _dbus_pending_call_get_connection_and_lock (pending=0xa20a320) at dbus-pending-call.c:309
#11 0xb5b6d023 in reply_handler_timeout (data=0xa20a320) at dbus-connection.c:3116
#12 0xb5b7f7fd in dbus_timeout_handle (timeout=0xa091408) at dbus-timeout.c:473
#13 0xb6c20455 in QDBusConnectionPrivate::timerEvent (this=0x9f19b90, e=0xbfb50ebc) at ./qdbus_symbols_p.h:172
#14 0xb6b714bc in QObject::event (this=0x9f19b90, e=0xbfb50ebc) at kernel/qobject.cpp:1066
#15 0xb641f05a in QApplicationPrivate::notify_helper (this=0x9f2a660, receiver=0x9f19b90, e=0xbfb50ebc) at kernel/qapplication.cpp:4065
#16 0xb6425c91 in QApplication::notify (this=0xbfb51134, receiver=0x9f19b90, e=0xbfb50ebc) at kernel/qapplication.cpp:3605
#17 0xb7060f75 in KApplication::notify (this=0xbfb51134, receiver=0x9f19b90, event=0xbfb50ebc) at /var/tmp/portage/kde-base/kdelibs-4.3.4/work/kdelibs-4.3.4/kdeui/kernel/kapplication.cpp:302
#18 0xb6b630a0 in QCoreApplication::notifyInternal (this=0xbfb51134, receiver=0x9f19b90, event=0xbfb50ebc) at kernel/qcoreapplication.cpp:606
#19 0xb6b88feb in QTimerInfoList::activateTimers (this=0x9f23e44) at kernel/qcoreapplication.h:213
#20 0xb6b875a0 in timerSourceDispatch (source=0x9f23e10) at kernel/qeventdispatcher_glib.cpp:165
#21 0xb5ce39e5 in IA__g_main_context_dispatch (context=0x9f23620) at gmain.c:1824
#22 0xb5ce6932 in g_main_context_iterate (context=0x9f23620, block=1, dispatch=1, self=0x9f21070) at gmain.c:2455
#23 0xb5ce6a40 in IA__g_main_context_iteration (context=0x9f23620, may_block=1) at gmain.c:2518
#24 0xb6b870b0 in QEventDispatcherGlib::processEvents (this=0x9f1cb30, flags={i = -1078652888}) at kernel/qeventdispatcher_glib.cpp:327
#25 0xb64a0686 in QGuiEventDispatcherGlib::processEvents (this=0x9f1cb30, flags={i = -1078652840}) at kernel/qguieventdispatcher_glib.cpp:202
#26 0xb6b61a1b in QEventLoop::processEvents (this=0xbfb510c0, flags={i = -1078652776}) at kernel/qeventloop.cpp:149
#27 0xb6b61ba9 in QEventLoop::exec (this=0xbfb510c0, flags={i = -1078652728}) at kernel/qeventloop.cpp:197
#28 0xb6b63ae0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#29 0xb641eea4 in QApplication::exec () at kernel/qapplication.cpp:3525
#30 0x08077467 in main (argc=5, argv=0xbfb512e4) at /var/tmp/portage/kde-base/dolphin-4.3.4/work/dolphin-4.3.4/dolphin/src/main.cpp:94

Reported using DrKonqi