Version:            (using Devel)
OS:                Linux
Installed from:    Compiled sources

Just compiled from trunk, this crash has been present for ~2 weeks now. Systemsettings crashes when opening Power management with this backtrace:

Application: System Settings (systemsettings), signal SIGABRT                                                          
0x00007f0c2d7677b0 in nanosleep () from /lib/libc.so.6                                                                 

Thread 1 (Thread 0x7f0c3106a700 (LWP 20943)):
[KCrash Handler]                             
#5  0x00007f0c2d7053c5 in raise () from /lib/libc.so.6
#6  0x00007f0c2d70673e in abort () from /lib/libc.so.6
#7  0x00007f0c2f1d3395 in qt_message_output (msgType=QtFatalMsg, buf=<value optimized out>) at global/qglobal.cpp:2108
#8  0x00007f0c2f1d34c7 in qFatal (msg=<value optimized out>) at global/qglobal.cpp:2309                               
#9  0x00007f0c2e36b78b in qGeomCalc (chain=@0x98dd20, start=0, count=8, pos=4, space=284, spacer=-1) at ../../include/QtGui/private/../../../src/gui/kernel/qlayoutengine_p.h:80                                                              
#10 0x00007f0c2e35b11c in QFormLayout::setGeometry (this=0x98dbe0, rect=@0x7fff3909e5d0) at kernel/qformlayout.cpp:1491
#11 0x00007f0c2e36831a in QLayoutPrivate::doResize (this=0x98dc10, r=@0x7fff3909e690) at kernel/qlayout.cpp:636        
#12 0x00007f0c2e36858d in QLayout::activate (this=0x98dbe0) at kernel/qlayout.cpp:1209                                 
#13 0x00007f0c2e3929f4 in QWidget::setVisible (this=0x98d2a0, visible=<value optimized out>) at kernel/qwidget.cpp:6557
#14 0x00007f0c2e752089 in QScrollArea::setWidget (this=0x95b590, widget=0x98d2a0) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:470                                                                                                   
#15 0x00007f0c2e746755 in QToolBox::insertItem (this=0x9b0330, index=-1, widget=0x98d2a0, icon=@0x7fff3909ecb0, text=@0x7fff3909ec40) at widgets/qtoolbox.cpp:377                                                                             
#16 0x00007f0c271c4315 in Ui_profileEditPage::setupUi (this=0x97d858, profileEditPage=0x97d830) at /usr/include/qt4/QtGui/qtoolbox.h:137                                                                                                      
#17 0x00007f0c271c0368 in EditPage (this=0x97d830, parent=<value optimized out>) at /var/tmp/portage/kde-base/powerdevil-9999/work/powerdevil/powerdevil/kcmodule/EditPage.cpp:52                                                             
#18 0x00007f0c271b4c89 in ConfigWidget (this=0x6374e0, parent=<value optimized out>) at /var/tmp/portage/kde-base/powerdevil-9999/work/powerdevil/powerdevil/kcmodule/ConfigWidget.cpp:28                                                     
#19 0x00007f0c271b2d66 in PowerDevilKCM::initView (this=0x8ca450) at /var/tmp/portage/kde-base/powerdevil-9999/work/powerdevil/powerdevil/kcmodule/PowerDevilKCM.cpp:111                                                                      
#20 0x00007f0c271b35d3 in PowerDevilKCM::initModule (this=0x8ca450) at /var/tmp/portage/kde-base/powerdevil-9999/work/powerdevil/powerdevil/kcmodule/PowerDevilKCM.cpp:98                                                                     
#21 0x00007f0c271b3e3d in PowerDevilKCM (this=0x8ca450, parent=<value optimized out>) at /var/tmp/portage/kde-base/powerdevil-9999/work/powerdevil/powerdevil/kcmodule/PowerDevilKCM.cpp:74                                                   
#22 0x00007f0c271b49b3 in KPluginFactory::createInstance<PowerDevilKCM, QWidget> (parentWidget=<value optimized out>, parent=<value optimized out>, args=@0x7fff3909f790)                                                                     
    at /usr/include/KDE/../kpluginfactory.h:461                                                                        
#23 0x00007f0c2f9c970e in KPluginFactory::create (this=0x84b290, iface=0x7f0c2ff96ec0 "KCModule", parentWidget=0x0, parent=0x8887d0, args=@0x7fff3909f790, keyword=@0x7fff3909f640)                                                           
    at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kdecore/util/kpluginfactory.cpp:191                    
#24 0x00007f0c30c55f29 in KPluginFactory::create<KCModule> (this=0x84b290, parentWidget=0x0, parent=0x8887d0, keyword=@0x7fff3909f640, args=@0x7fff3909f790)                                                                                  
    at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kdecore/util/kpluginfactory.h:515                      
#25 0x00007f0c30c5600e in KService::createInstance<KCModule> (this=0x82d3b0, parentWidget=0x0, parent=0x8887d0, args=@0x7fff3909f790, error=0x7fff3909f7a0)                                                                                   
    at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kdecore/services/kservice.h:518                        
#26 0x00007f0c30c550c9 in KCModuleLoader::loadModule (mod=@0x8bcc90, report=KCModuleLoader::Inline, parent=0x8887d0, args=@0x8bcc60)                                                                                                          
    at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kutils/kcmoduleloader.cpp:90                           
#27 0x00007f0c30c59791 in KCModuleProxyPrivate::loadModule (this=0x8bcc60) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kutils/kcmoduleproxy.cpp:107                                                                           
#28 0x00007f0c30c59f75 in KCModuleProxy::realModule (this=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kutils/kcmoduleproxy.cpp:83                                                                      
#29 0x00007f0c30c5a06c in KCModuleProxy::buttons (this=0x51cf) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kutils/kcmoduleproxy.cpp:300                                                                                       
#30 0x000000000040fa8a in KCMultiWidget::slotAboutToShow (this=0x8995c0, page=<value optimized out>)                   
    at /var/tmp/portage/kde-base/systemsettings-9999/work/systemsettings/systemsettings/kcmultiwidget.cpp:264          
#31 0x00000000004106a6 in KCMultiWidget::addModule (this=0x8995c0, moduleinfo=@0x82f1a0) at /var/tmp/portage/kde-base/systemsettings-9999/work/systemsettings/systemsettings/kcmultiwidget.cpp:208                                            
#32 0x0000000000412e3e in MainWindow::selectionChanged (this=0x6f96b0, selected=<value optimized out>)                 
    at /var/tmp/portage/kde-base/systemsettings-9999/work/systemsettings/systemsettings/mainwindow.cpp:332             
#33 0x0000000000413065 in MainWindow::qt_metacall (this=0x6f96b0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff390a02f0)                                                                                                                 
    at /var/tmp/portage/kde-base/systemsettings-9999/work/systemsettings_build/systemsettings/mainwindow.moc:70        
#34 0x00007f0c2f2dec0c in QMetaObject::activate (sender=0x88d080, from_signal_index=<value optimized out>, to_signal_index=32, argv=0xffffffffffffffff) at kernel/qobject.cpp:3028                                                            
#35 0x00007f0c2e7dfb45 in QAbstractItemView::clicked (this=0x51cf, _t1=<value optimized out>) at .moc/debug-shared/moc_qabstractitemview.cpp:316                                                                                              
#36 0x00007f0c2e7ec223 in QAbstractItemView::mouseReleaseEvent (this=0x88d080, event=0x7fff390a1380) at itemviews/qabstractitemview.cpp:1618                                                                                                  
#37 0x00007f0c2e801f67 in QListView::mouseReleaseEvent (this=0x51cf, e=0x51cf) at itemviews/qlistview.cpp:825          
#38 0x00007f0c2fe4cb1c in KCategorizedView::mouseReleaseEvent (this=0x51cf, event=0x51cf) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kdeui/itemviews/kcategorizedview.cpp:1135                                               
#39 0x00007f0c2e38bd27 in QWidget::event (this=0x88d080, event=0x7fff390a1380) at kernel/qwidget.cpp:7169              
#40 0x00007f0c2e6c1ef6 in QFrame::event (this=0x88d080, e=0x7fff390a1380) at widgets/qframe.cpp:657                    
#41 0x00007f0c2e74d62a in QAbstractScrollArea::viewportEvent (this=0x51cf, e=0x51cf) at widgets/qabstractscrollarea.cpp:949                                                                                                                   
#42 0x00007f0c2e7ec8ec in QAbstractItemView::viewportEvent (this=0x88d080, event=0x7fff390a1380) at itemviews/qabstractitemview.cpp:1435
#43 0x00007f0c2e74f048 in QAbstractScrollAreaFilter::eventFilter (this=<value optimized out>, o=<value optimized out>,e=0x6) at widgets/qabstractscrollarea_p.h:102
#44 0x00007f0c2f2c983c in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x8b0bd0, event=0x7fff390a1380) at kernel/qcoreapplication.cpp:700
#45 0x00007f0c2e33ad4f in QApplicationPrivate::notify_helper (this=0x6470b0, receiver=0x8b0bd0, e=0x7fff390a1380) at kernel/qapplication.cpp:3805
#46 0x00007f0c2e33cdcf in QApplication::notify (this=<value optimized out>, receiver=0x8b0bd0, e=0x7fff390a1380) at kernel/qapplication.cpp:3534
#47 0x00007f0c2fe60b61 in KApplication::notify (this=0x7fff390a1d20, receiver=0x8b0bd0, event=0x7fff390a1380)
    at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kdeui/kernel/kapplication.cpp:307
#48 0x00007f0c2f2c9468 in QCoreApplication::notifyInternal (this=0x7fff390a1d20, receiver=0x8b0bd0, event=0x7fff390a1380) at kernel/qcoreapplication.cpp:593
#49 0x00007f0c2e340e4e in QApplicationPrivate::sendMouseEvent (receiver=0x8b0bd0, event=0x7fff390a1380, alienWidget=0x0, nativeWidget=0x8b0bd0, buttonDown=<value optimized out>,
    lastMouseReceiver=@0x7f0c2ed096f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#50 0x00007f0c2e3a400b in QETWidget::translateMouseEvent (this=0x8b0bd0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4048
#51 0x00007f0c2e3a2d03 in QApplication::x11ProcessEvent (this=0x1a5, event=0x7fff390a1a40) at kernel/qapplication_x11.cpp:3166
#52 0x00007f0c2e3c7c32 in QEventDispatcherX11::processEvents (this=0x631d50, flags=@0x7fff390a1c10) at kernel/qeventdispatcher_x11.cpp:134
#53 0x00007f0c2f2c8825 in QEventLoop::processEvents (this=<value optimized out>, flags=@0x7fff390a1c50) at kernel/qeventloop.cpp:149
#54 0x00007f0c2f2c898a in QEventLoop::exec (this=0x7fff390a1c90, flags=@0x7fff390a1ca0) at kernel/qeventloop.cpp:200
#55 0x00007f0c2f2caace in QCoreApplication::exec () at kernel/qcoreapplication.cpp:851
#56 0x0000000000412717 in main (argc=1, argv=0x7fff390a2068) at /var/tmp/portage/kde-base/systemsettings-9999/work/systemsettings/systemsettings/main.cpp:67