Application: kcmshell4 (4.11.00)
KDE Platform Version: 4.11.00
Qt Version: 4.8.4
Operating System: Linux 3.10.0-5-generic x86_64
Distribution: Ubuntu Saucy Salamander (development branch)

-- Information about the crash:
Fresh install of Kubuntu 13.10 Alpha 2 AMD64

Patriot Wildfire SE 480GB SSD, 32GB DDR3 1600, GTX670M, i7-3610QM @ 2.30 GHz, Desktop Effects Compsotion type held no difference, except switching to XRender and Qt to Raster crashed KWin

This is for User Management, the other option User Manager opened up just fine.

The crash can be reproduced every time.

-- Backtrace:
Application: KDE Control Module (kcmshell4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f978b36a110 in QMetaObject::cast (this=this@entry=0x7f978b1d7420 <QStatusBar::staticMetaObject>, obj=obj@entry=0x25b8ac0) at kernel/qmetaobject.cpp:275
#7  0x00007f97822401a8 in qobject_cast<QStatusBar*> (object=0x25b8ac0) at /usr/include/qt4/QtCore/qobject.h:380
#8  Oxygen::WindowManager::isDragable (this=this@entry=0x1c9b560, widget=widget@entry=0x25976e0) at ../../../kstyles/oxygen/oxygenwindowmanager.cpp:371
#9  0x00007f9782240270 in Oxygen::WindowManager::registerWidget (this=0x1c9b560, widget=widget@entry=0x25976e0) at ../../../kstyles/oxygen/oxygenwindowmanager.cpp:123
#10 0x00007f978222914a in Oxygen::Style::polish (this=0x1c92610, widget=0x25976e0) at ../../../kstyles/oxygen/oxygenstyle.cpp:211
#11 0x00007f978a74fcaa in QWidget::event (this=this@entry=0x25976e0, event=event@entry=0x7fff4fea5ee0) at kernel/qwidget.cpp:8472
#12 0x00007f978aaf15ce in QFrame::event (this=0x25976e0, e=0x7fff4fea5ee0) at widgets/qframe.cpp:557
#13 0x00007f978a700dfc in QApplicationPrivate::notify_helper (this=this@entry=0x1c36e30, receiver=receiver@entry=0x25976e0, e=e@entry=0x7fff4fea5ee0) at kernel/qapplication.cpp:4567
#14 0x00007f978a707470 in QApplication::notify (this=this@entry=0x7fff4fea7380, receiver=receiver@entry=0x25976e0, e=e@entry=0x7fff4fea5ee0) at kernel/qapplication.cpp:4353
#15 0x00007f978c0279aa in KApplication::notify (this=0x7fff4fea7380, receiver=0x25976e0, event=0x7fff4fea5ee0) at ../../kdeui/kernel/kapplication.cpp:311
#16 0x00007f978b3638bd in QCoreApplication::notifyInternal (this=0x7fff4fea7380, receiver=receiver@entry=0x25976e0, event=event@entry=0x7fff4fea5ee0) at kernel/qcoreapplication.cpp:946
#17 0x00007f978a74d04f in sendEvent (event=0x7fff4fea5ee0, receiver=0x25976e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QWidget::ensurePolished (this=this@entry=0x25976e0) at kernel/qwidget.cpp:9723
#19 0x00007f978a74f3c6 in QWidget::setVisible (this=0x25976e0, visible=<optimized out>) at kernel/qwidget.cpp:7727
#20 0x00007f978c105a4b in KTitleWidget::setPixmap (this=0x2077900, pixmap=..., alignment=alignment@entry=KTitleWidget::ImageRight) at ../../kdeui/widgets/ktitlewidget.cpp:233
#21 0x00007f978c053a7a in KPageViewPrivate::init (this=this@entry=0x269ef10) at ../../kdeui/paged/kpageview.cpp:293
#22 0x00007f978c053bf2 in KPageView::KPageView (this=0x2599c30, dd=..., parent=<optimized out>) at ../../kdeui/paged/kpageview.cpp:317
#23 0x00007f978c056930 in KPageWidget::KPageWidget (this=0x2599c30, parent=0x25b8ac0) at ../../kdeui/paged/kpagewidget.cpp:64
#24 0x00007f977872edf9 in sipKPageWidget::sipKPageWidget (this=0x2599c30, a0=<optimized out>) at sip/kdeui/sipkdeuipart3.cpp:66300
#25 0x00007f977872ef39 in init_KPageWidget (sipSelf=0x2439d60, sipArgs=<optimized out>, sipKwds=<optimized out>, sipUnused=<optimized out>, sipOwner=<optimized out>, sipParseErr=<optimized out>) at sip/kdeui/sipkdeuipart3.cpp:69197
#26 0x00007f9779d3d87a in sipSimpleWrapper_init (self=0x2439d60, args=0x1f04450, kwds=0x0) at /build/buildd/sip4-4.15/siplib/siplib.c:9481
#27 0x00007f977ac579ef in type_call.26486 (type=<optimized out>, args=0x1f04450, kwds=0x0) at ../Objects/typeobject.c:745
#28 0x00007f977ac54e23 in PyObject_Call (func=func@entry=0x26173f0, arg=arg@entry=0x1f04450, kw=kw@entry=0x0) at ../Objects/abstract.c:2529
#29 0x00007f977abef706 in do_call (nk=<optimized out>, na=1, pp_stack=0x7fff4fea6340, func=0x26173f0) at ../Python/ceval.c:4239
#30 call_function (oparg=<optimized out>, pp_stack=0x7fff4fea6340) at ../Python/ceval.c:4044
#31 PyEval_EvalFrameEx (f=f@entry=0x206baf0, throwflag=throwflag@entry=0) at ../Python/ceval.c:2666
#32 0x00007f977abf403d in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=locals@entry=0x0, args=args@entry=0x278e6f8, argcount=3, kws=kws@entry=0x0, kwcount=kwcount@entry=0, defs=defs@entry=0x27aa4a0, defcount=defcount@entry=2, closure=0x0) at ../Python/ceval.c:3253
#33 0x00007f977abf41d0 in function_call.15734 (func=0x279fcf8, arg=0x278e6e0, kw=0x0) at ../Objects/funcobject.c:526
#34 0x00007f977ac54e23 in PyObject_Call (func=func@entry=0x279fcf8, arg=arg@entry=0x278e6e0, kw=kw@entry=0x0) at ../Objects/abstract.c:2529
#35 0x00007f977abd3c9d in instancemethod_call.8985 (func=0x279fcf8, arg=0x278e6e0, kw=0x0) at ../Objects/classobject.c:2602
#36 0x00007f977ac54e23 in PyObject_Call (func=func@entry=0x265d780, arg=arg@entry=0x20103f8, kw=kw@entry=0x0) at ../Objects/abstract.c:2529
#37 0x00007f977ac5947f in slot_tp_init.26756 (self=0x2439c30, args=0x20103f8, kwds=0x0) at ../Objects/typeobject.c:5692
#38 0x00007f977ac579ef in type_call.26486 (type=<optimized out>, args=0x20103f8, kwds=0x0) at ../Objects/typeobject.c:745
#39 0x00007f977ac54e23 in PyObject_Call (func=func@entry=0x23d09e0, arg=arg@entry=0x20103f8, kw=kw@entry=0x0) at ../Objects/abstract.c:2529
#40 0x00007f977abef706 in do_call (nk=<optimized out>, na=2, pp_stack=0x7fff4fea6940, func=0x23d09e0) at ../Python/ceval.c:4239
#41 call_function (oparg=<optimized out>, pp_stack=0x7fff4fea6940) at ../Python/ceval.c:4044
#42 PyEval_EvalFrameEx (f=f@entry=0x206b910, throwflag=throwflag@entry=0) at ../Python/ceval.c:2666
#43 0x00007f977abf1f47 in fast_function (nk=<optimized out>, na=3, n=3, pp_stack=0x7fff4fea6ac0, func=0x27ad938) at ../Python/ceval.c:4107
#44 call_function (oparg=<optimized out>, pp_stack=0x7fff4fea6ac0) at ../Python/ceval.c:4042
#45 PyEval_EvalFrameEx (f=f@entry=0x2821e70, throwflag=throwflag@entry=0) at ../Python/ceval.c:2666
#46 0x00007f977abf403d in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=locals@entry=0x0, args=args@entry=0x278ef18, argcount=3, kws=kws@entry=0x0, kwcount=kwcount@entry=0, defs=defs@entry=0x0, defcount=defcount@entry=0, closure=0x0) at ../Python/ceval.c:3253
#47 0x00007f977abf41d0 in function_call.15734 (func=0x27ad9b0, arg=0x278ef00, kw=0x0) at ../Objects/funcobject.c:526
#48 0x00007f977ac54e23 in PyObject_Call (func=func@entry=0x27ad9b0, arg=arg@entry=0x278ef00, kw=<optimized out>) at ../Objects/abstract.c:2529
#49 0x00007f977accff07 in PyEval_CallObjectWithKeywords (func=0x27ad9b0, arg=0x278ef00, kw=<optimized out>) at ../Python/ceval.c:3890
#50 0x00007f977b08cd3d in RunFunction (object=object@entry=0x27ad9b0, args=args@entry=0x278ef00) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:343
#51 0x00007f977b08d87e in KPythonPluginFactory::create (this=<optimized out>, iface=<optimized out>, parentWidget=<optimized out>, parent=<optimized out>, args=..., keyword=...) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:233
#52 0x00007f978c46684e in create<KCModule> (args=..., keyword=..., parent=0x1de3e70, parentWidget=0x0, this=0x1e18bd0) at ../../kdecore/util/kpluginfactory.h:531
#53 createInstance<KCModule> (error=0x7fff4fea6df0, args=..., parent=0x1de3e70, parentWidget=0x0, this=0x1d93490) at ../../kdecore/services/kservice.h:573
#54 createInstance<KCModule> (error=0x7fff4fea6df0, args=..., parent=0x1de3e70, this=0x1d93490) at ../../kdecore/services/kservice.h:550
#55 KCModuleLoader::loadModule (mod=..., report=report@entry=KCModuleLoader::Inline, parent=0x1de3e70, args=...) at ../../kutils/kcmoduleloader.cpp:89
#56 0x00007f978c46ba9b in KCModuleProxyPrivate::loadModule (this=this@entry=0x1e39ab0) at ../../kutils/kcmoduleproxy.cpp:107
#57 0x00007f978c46c1b5 in KCModuleProxy::realModule (this=this@entry=0x1de3e70) at ../../kutils/kcmoduleproxy.cpp:83
#58 0x00007f978c46c519 in KCModuleProxy::useRootOnlyMessage (this=this@entry=0x1de3e70) at ../../kutils/kcmoduleproxy.cpp:316
#59 0x00007f978c469521 in KCMultiDialog::addModule (this=this@entry=0x1da0020, moduleInfo=..., parentItem=parentItem@entry=0x0, args=...) at ../../kutils/kcmultidialog.cpp:390
#60 0x00007f978ca58bfe in kdemain (_argc=<optimized out>, _argv=<optimized out>) at ../../kcmshell/main.cpp:290
#61 0x00007f978c6abde5 in __libc_start_main (main=0x4006d0 <main(int, char**)>, argc=2, ubp_av=0x7fff4fea74b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff4fea74a8) at libc-start.c:260
#62 0x00000000004006fe in _start ()

Reported using DrKonqi