Application: kded4 ($Id: kded.cpp 1031637 2009-10-05 16:58:19Z lunakl $)
KDE Platform Version: 4.3.90 (KDE 4.3.90 (KDE 4.4 RC1))
Qt Version: 4.6.0
Operating System: Linux 2.6.32-8-generic x86_64
Distribution: Ubuntu lucid (development branch)

-- Information about the crash:
<In detail, tell us what you were doing  when the application crashed.>
Logging in -have to log in twice everytime, then hear default log-in sound, kde desktop does not load, screen goes back with just a white cursor.

The crash can be reproduced everytime.

 -- Backtrace:
Application: KDE Daemon (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f71637a560d in QtPrivate::QStringList_contains(QStringList const*, QString const&, Qt::CaseSensitivity) () from /usr/lib/libQtCore.so.4
#6  0x00007f7154090366 in HalPower::brightness(QString const&) () from /usr/lib/kde4/solid_hal_power.so
#7  0x00007f71546c359c in Solid::Control::PowerManager::brightness(QString const&) () from /usr/lib/libsolidcontrol.so.4
#8  0x00007f71546c3e0f in Solid::Control::PowerManager::setBrightness(float, QString const&) () from /usr/lib/libsolidcontrol.so.4
#9  0x00007f7154b590a5 in PowerDevilDaemon::applyProfile() () from /usr/lib/kde4/kded_powerdevil.so
#10 0x00007f7154b5ce55 in PowerDevilDaemon::PowerDevilDaemon(QObject*, QList<QVariant> const&) () from /usr/lib/kde4/kded_powerdevil.so
#11 0x00007f7154b5f5d7 in QObject* KPluginFactory::createInstance<PowerDevilDaemon, QObject>(QWidget*, QObject*, QList<QVariant> const&) () from /usr/lib/kde4/kded_powerdevil.so
#12 0x00007f7164df64dc in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () from /usr/lib/libkdecore.so.5
#13 0x00007f7156d0559e in ?? () from /usr/lib/libkdeinit4_kded4.so
#14 0x00007f7156d071f5 in ?? () from /usr/lib/libkdeinit4_kded4.so
#15 0x00007f7156d09110 in ?? () from /usr/lib/libkdeinit4_kded4.so
#16 0x00007f7163d92176 in ?? () from /usr/lib/libkdeui.so.5
#17 0x00007f7163d927b6 in ?? () from /usr/lib/libkdeui.so.5
#18 0x00007f7161c27276 in ?? () from /usr/lib/libQtDBus.so.4
#19 0x00007f7161c2857f in ?? () from /usr/lib/libQtDBus.so.4
#20 0x00007f7161c2905d in ?? () from /usr/lib/libQtDBus.so.4
#21 0x00007f7161c292f8 in ?? () from /usr/lib/libQtDBus.so.4
#22 0x00007f7163857789 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#23 0x00007f71629f13fd in QApplication::event(QEvent*) () from /usr/lib/libQtGui.so.4
#24 0x00007f71629ecf2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#25 0x00007f71629f353d in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#26 0x00007f7163d8afe6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#27 0x00007f7163847abc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#28 0x00007f716384a237 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#29 0x00007f7163871513 in ?? () from /usr/lib/libQtCore.so.4
#30 0x00007f715ec67d4e in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#31 0x00007f715ec6b718 in ?? () from /lib/libglib-2.0.so.0
#32 0x00007f715ec6b840 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#33 0x00007f7163871053 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x00007f7162a9b3de in ?? () from /usr/lib/libQtGui.so.4
#35 0x00007f71638463e2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#36 0x00007f71638467bc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#37 0x00007f716384a4fb in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#38 0x00007f7156d07d17 in kdemain () from /usr/lib/libkdeinit4_kded4.so
#39 0x0000000000406fb8 in _start ()