Version:           1.0 (using 4.3.2 (KDE 4.3.2), Debian packages)
Compiler:          cc
OS:                Linux (i686) release 2.6.31-3.slh.1-sidux-686

Backtrace: 

rilian-la-te@1x1linux-debian:~$ QMutex::lock: mutex lock failure:
QMutex::lock: mutex unlock failure:
QMutex::lock: mutex lock failure:
QMutex::lock: mutex unlock failure:
KCrash: Application 'systemsettings' crashing...
sock_file=/home/rilian-la-te/.kde/socket-1x1linux-debian/kdeinit4__0

Application: System Settings (systemsettings), signal: Segmentation fault
[Current thread is 1 (Thread 0xb57ca700 (LWP 7078))]

Thread 2 (Thread 0xb1e71b90 (LWP 7081)):
#0  0xb783f424 in __kernel_vsyscall ()
#1  0xb5b68292 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0
#2  0xb642d8b4 in pthread_cond_timedwait () from /lib/i686/cmov/libc.so.6
#3  0xb65e659c in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#4  0xb65dbd7e in ?? () from /usr/lib/libQtCore.so.4
#5  0xb65e55e2 in ?? () from /usr/lib/libQtCore.so.4
#6  0xb5b644b5 in start_thread () from /lib/i686/cmov/libpthread.so.0
#7  0xb641ea5e in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread 0xb57ca700 (LWP 7078)):
[KCrash Handler]
#6  0xb63addf8 in ?? () from /lib/i686/cmov/libc.so.6
#7  0xb63afcd5 in malloc () from /lib/i686/cmov/libc.so.6
#8  0xb6557607 in operator new(unsigned int) () from /usr/lib/libstdc++.so.6
#9  0xb0d60e91 in ?? () from /usr/lib/kde4/kcm_locale.so
#10 0xb0d614a2 in ?? () from /usr/lib/kde4/kcm_locale.so
#11 0xb0d64bea in ?? () from /usr/lib/kde4/kcm_locale.so
#12 0xb66eb303 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#13 0xb66ebf42 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#14 0xb6f84893 in QComboBox::editTextChanged(QString const&) () from /usr/lib/libQtGui.so.4
#15 0xb6f8e804 in QComboBox::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtGui.so.4
#16 0xb66eb303 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#17 0xb66ebf42 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#18 0xb6fc7e13 in QLineEdit::textChanged(QString const&) () from /usr/lib/libQtGui.so.4
#19 0xb6fcd3da in ?? () from /usr/lib/libQtGui.so.4
#20 0xb6fcd0fc in ?? () from /usr/lib/libQtGui.so.4
#21 0xb6fcf34b in QLineEdit::setText(QString const&) () from /usr/lib/libQtGui.so.4
#22 0xb6f88dd2 in ?? () from /usr/lib/libQtGui.so.4
#23 0xb6f88f43 in QComboBox::setCurrentIndex(int) () from /usr/lib/libQtGui.so.4
#24 0xb6f8c73c in ?? () from /usr/lib/libQtGui.so.4
#25 0xb6f8e635 in QComboBox::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtGui.so.4
#26 0xb66eb303 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#27 0xb66ebf42 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#28 0xb6725d9f in QAbstractItemModel::rowsInserted(QModelIndex const&, int, int) () from /usr/lib/libQtCore.so.4
#29 0xb66d1144 in QAbstractItemModel::endInsertRows() () from /usr/lib/libQtCore.so.4
#30 0xb719929d in ?? () from /usr/lib/libQtGui.so.4
#31 0xb71a15e7 in ?? () from /usr/lib/libQtGui.so.4
#32 0xb6f8c893 in QComboBox::insertItems(int, QStringList const&) () from /usr/lib/libQtGui.so.4
#33 0xb0d5d77c in ?? () from /usr/lib/kde4/kcm_locale.so
#34 0xb0d64c2b in ?? () from /usr/lib/kde4/kcm_locale.so
#35 0xb66eb303 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#36 0xb66ebf42 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#37 0xb0d4c617 in ?? () from /usr/lib/kde4/kcm_locale.so
#38 0xb0d4cc7b in ?? () from /usr/lib/kde4/kcm_locale.so
#39 0xb76bf34b in KCModule::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#40 0xb0d4d83a in ?? () from /usr/lib/kde4/kcm_locale.so
#41 0xb66e4b0b in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/libQtCore.so.4
#42 0xb66e65e0 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#43 0xb6c14300 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#44 0xb6bbea94 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#45 0xb6bc6cc2 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#46 0xb76080dd in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#47 0xb66d61eb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#48 0xb66d6e2e in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#49 0xb66d700d in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#50 0xb67014cf in ?? () from /usr/lib/libQtCore.so.4
#51 0xb5bb1e98 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#52 0xb5bb5623 in ?? () from /lib/libglib-2.0.so.0
#53 0xb5bb57a8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#54 0xb6701041 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#55 0xb6c5e305 in ?? () from /usr/lib/libQtGui.so.4
#56 0xb66d483a in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#57 0xb66d4c82 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#58 0xb66d70d9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#59 0xb6bbe917 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#60 0x08052e64 in _start ()

Sorry, if it is invaild. Another bactrace will be phaced here on next Sunday.