Backtrace from comment #0:

Application: kded4 ($Id: kded.cpp 1192875 2010-11-04 08:22:15Z ervin $)
KDE Platform Version: 4.5.80 (4.6 Beta1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-zen2+ x86_64

-- Backtrace:
Application: KDE Daemon (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 23885)]

Thread 2 (Thread 0x7f3a030d5710 (LWP 23897)):
#0  0x00007f3a17a25e13 in poll () from /lib/libc.so.6
#1  0x00007f3a14311f2d in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f3a14312384 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f3a19857e96 in QEventDispatcherGlib::processEvents (this=0x87a620, flags=<value optimized out>) at /home/k/kdesvn/kde-qt/src/corelib/kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f3a19827742 in QEventLoop::processEvents (this=<value optimized out>, flags=) at /home/k/kdesvn/kde-qt/src/corelib/kernel/qeventloop.cpp:149
#5  0x00007f3a19827b2d in QEventLoop::exec (this=0x7f3a030d4db0, flags=) at /home/k/kdesvn/kde-qt/src/corelib/kernel/qeventloop.cpp:201
#6  0x00007f3a197273c7 in QThread::exec (this=<value optimized out>) at /home/k/kdesvn/kde-qt/src/corelib/thread/qthread.cpp:490
#7  0x00007f3a198055d0 in QInotifyFileSystemWatcherEngine::run (this=0x859910) at /home/k/kdesvn/kde-qt/src/corelib/io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f3a19729eb7 in QThreadPrivate::start (arg=0x859910) at /home/k/kdesvn/kde-qt/src/corelib/thread/qthread_unix.cpp:266
#9  0x00007f3a19489960 in start_thread () from /lib/libpthread.so.0
#10 0x00007f3a17a2f0cd in clone () from /lib/libc.so.6

Thread 1 (Thread 0x7f3a1aea0760 (LWP 23885)):
[KCrash Handler]
#6  QDBusServiceWatcher::addWatchedService (this=0x7469000000720065, newService=@0x7fff200df070) at /home/k/kdesvn/kde-qt/src/dbus/qdbusservicewatcher.h:96
#7  0x00007f3a04bcf372 in PowerDevil::PolicyAgent::AddInhibition (this=0x84d100, types=1, appName=<value optimized out>, reason=<value optimized out>)
    at /home/k/kdesvn/kdebase/workspace/powerdevil/daemon/powerdevilpolicyagent.cpp:221
#8  0x00007f3a04bd5091 in PowerManagementPolicyAgentAdaptor::qt_metacall (this=0x84d330, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff200df180)
    at /tmp/kde4build/kdebase/workspace/powerdevil/daemon/powermanagementpolicyagentadaptor.cpp:39
#9  0x00007f3a19b90ee9 in QDBusConnectionPrivate::deliverCall (this=<value optimized out>, object=<value optimized out>, msg=<value optimized out>, metaTypes=<value optimized out>, 
    slotIdx=<value optimized out>) at /home/k/kdesvn/kde-qt/src/dbus/qdbusintegrator.cpp:919
#10 0x00007f3a19b92211 in QDBusConnectionPrivate::activateCall (this=<value optimized out>, object=0x84d330, flags=273, msg=@0x9ada60) at /home/k/kdesvn/kde-qt/src/dbus/qdbusintegrator.cpp:822
#11 0x00007f3a19b92d0f in QDBusConnectionPrivate::activateObject (this=<value optimized out>, node=@0x9ada38, msg=<value optimized out>, pathStartPos=<value optimized out>)
    at /home/k/kdesvn/kde-qt/src/dbus/qdbusintegrator.cpp:1379
#12 0x00007f3a19b92fd8 in QDBusActivateObjectEvent::placeMetaCall (this=0x9ad9f0) at /home/k/kdesvn/kde-qt/src/dbus/qdbusintegrator.cpp:1493
#13 0x00007f3a1983b93e in QObject::event (this=0x84d100, e=0x7469000000720065) at /home/k/kdesvn/kde-qt/src/corelib/kernel/qobject.cpp:1219
#14 0x00007f3a188b75c1 in QApplicationPrivate::notify_helper (this=0x6befc0, receiver=0x84d100, e=0x9ad9f0) at /home/k/kdesvn/kde-qt/src/gui/kernel/qapplication.cpp:4397
#15 0x00007f3a188bf4bf in QApplication::notify (this=0x7fff200e00d0, receiver=0x84d100, e=0x9ad9f0) at /home/k/kdesvn/kde-qt/src/gui/kernel/qapplication.cpp:4278
#16 0x00007f3a1a886bb6 in KApplication::notify (this=0x7fff200e00d0, receiver=0x84d100, event=0x9ad9f0) at /home/k/kdesvn/kdelibs/kdeui/kernel/kapplication.cpp:311
#17 0x00007f3a19828b0b in QCoreApplication::notifyInternal (this=0x7fff200e00d0, receiver=0x84d100, event=0x9ad9f0) at /home/k/kdesvn/kde-qt/src/corelib/kernel/qcoreapplication.cpp:732
#18 0x00007f3a1982a057 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x612520) at /home/k/kdesvn/kde-qt/src/corelib/kernel/qcoreapplication.h:215
#19 0x00007f3a19858243 in postEventSourceDispatch (s=0x6c1a30) at /home/k/kdesvn/kde-qt/src/corelib/kernel/qcoreapplication.h:220
#20 0x00007f3a1430e2d1 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#21 0x00007f3a143121d0 in ?? () from /usr/lib/libglib-2.0.so.0
#22 0x00007f3a14312384 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#23 0x00007f3a19857e43 in QEventDispatcherGlib::processEvents (this=0x611b10, flags=<value optimized out>) at /home/k/kdesvn/kde-qt/src/corelib/kernel/qeventdispatcher_glib.cpp:415
#24 0x00007f3a18972f2e in QGuiEventDispatcherGlib::processEvents (this=0x7469000000720065, flags=<value optimized out>) at /home/k/kdesvn/kde-qt/src/gui/kernel/qguieventdispatcher_glib.cpp:204
#25 0x00007f3a19827742 in QEventLoop::processEvents (this=<value optimized out>, flags=) at /home/k/kdesvn/kde-qt/src/corelib/kernel/qeventloop.cpp:149
#26 0x00007f3a19827b2d in QEventLoop::exec (this=0x7fff200e0020, flags=) at /home/k/kdesvn/kde-qt/src/corelib/kernel/qeventloop.cpp:201
#27 0x00007f3a1982a353 in QCoreApplication::exec () at /home/k/kdesvn/kde-qt/src/corelib/kernel/qcoreapplication.cpp:1009
#28 0x00007f3a0c06a015 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /home/k/kdesvn/kdelibs/kded/kded.cpp:907
#29 0x0000000000407d59 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=<value optimized out>, envs=<value optimized out>, reset_env=false, 
    tty=0x0, avoid_loops=false, startup_id_str=0x40af9d "0") at /home/k/kdesvn/kdelibs/kinit/kinit.cpp:730
#30 0x00000000004099a7 in main (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>) at /home/k/kdesvn/kdelibs/kinit/kinit.cpp:1844

*** This bug has been marked as a duplicate of bug 257326 ***