The kde4 powermanagement crashes with kded4 on startup (see for the attached backtrace):

Application: KDE-Dienst (kdeinit4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[KCrash Handler]
#6  Private (other=..., this=0x7fff10aa2960) at kernel/qvariant.h:356
#7  QVariant::QVariant (this=0x7fff10aa2960, p=...) at kernel/qvariant.cpp:1423
#8  0x00007fe6ca5ad8f5 in QDBusPendingReplyData::argumentAt (this=0x7fff10aa2880, index=0) at qdbuspendingreply.cpp:270
#9  0x00007fe6b5f2ff21 in argumentAt<0> (this=0x7fff10aa2880) at /usr/include/QtDBus/qdbuspendingreply.h:176
#10 operator QDBusPendingReplyTypes::Select<0, QList<QDBusObjectPath>, void, void, void, void, void, void, void>::Type (this=0x7fff10aa2880) at /usr/include/QtDBus/qdbuspendingreply.h:186
#11 PowerDevilUPowerBackend::enumerateDevices (this=this@entry=0x2388be0) at /usr/src/debug/kde-workspace-4.10.0/powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp:258
#12 0x00007fe6b5f30811 in PowerDevilUPowerBackend::init (this=0x2388be0) at /usr/src/debug/kde-workspace-4.10.0/powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp:96
#13 0x00007fe6b5cc7021 in PowerDevil::Core::loadCore (this=0x2394a60, backend=<optimized out>) at /usr/src/debug/kde-workspace-4.10.0/powerdevil/daemon/powerdevilcore.cpp:84
#14 0x00007fe6b5f2a7a3 in KDEDPowerDevil::init (this=0x2356da0) at /usr/src/debug/kde-workspace-4.10.0/powerdevil/daemon/kdedpowerdevil.cpp:89
#15 0x00007fe6cd80165e in QObject::event (this=0x2356da0, e=<optimized out>) at kernel/qobject.cpp:1203
#16 0x00007fe6cc97a86c in QApplicationPrivate::notify_helper (this=this@entry=0x21b4530, receiver=receiver@entry=0x2356da0, e=e@entry=0x23a15c0) at kernel/qapplication.cpp:4562
#17 0x00007fe6cc97eceb in QApplication::notify (this=0x7fff10aa3ab0, receiver=0x2356da0, e=0x23a15c0) at kernel/qapplication.cpp:4423
#18 0x00007fe6ce58dcb6 in KApplication::notify (this=0x7fff10aa3ab0, receiver=0x2356da0, event=0x23a15c0) at /usr/src/debug/kdelibs-4.10.0/kdeui/kernel/kapplication.cpp:311
#19 0x00007fe6cd7ecc6e in QCoreApplication::notifyInternal (this=0x7fff10aa3ab0, receiver=receiver@entry=0x2356da0, event=event@entry=0x23a15c0) at kernel/qcoreapplication.cpp:946
#20 0x00007fe6cd7f05d1 in sendEvent (event=0x23a15c0, receiver=0x2356da0) at kernel/qcoreapplication.h:231
#21 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x212e2b0) at kernel/qcoreapplication.cpp:1570
#22 0x00007fe6cd81b013 in sendPostedEvents () at kernel/qcoreapplication.h:236
#23 postEventSourceDispatch (s=s@entry=0x21b5550) at kernel/qeventdispatcher_glib.cpp:279
#24 0x00007fe6c91127d5 in g_main_dispatch (context=0x21b5700) at gmain.c:2715
#25 g_main_context_dispatch (context=context@entry=0x21b5700) at gmain.c:3219
#26 0x00007fe6c9112b08 in g_main_context_iterate (context=context@entry=0x21b5700, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3290
#27 0x00007fe6c9112bc4 in g_main_context_iteration (context=0x21b5700, may_block=1) at gmain.c:3351
#28 0x00007fe6cd81b1a6 in QEventDispatcherGlib::processEvents (this=0x2134790, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#29 0x00007fe6cca1ac1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#30 0x00007fe6cd7eb9bf in QEventLoop::processEvents (this=this@entry=0x7fff10aa3830, flags=...) at kernel/qeventloop.cpp:149
#31 0x00007fe6cd7ebc48 in QEventLoop::exec (this=0x7fff10aa3830, flags=...) at kernel/qeventloop.cpp:204
#32 0x00007fe6cd7f08e8 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#33 0x00007fe6bb6b8a50 in kdemain () from /usr/lib64/libkdeinit4_kded4.so
#34 0x000000000040889a in _start ()

Reproducible: Always