Version:            (using KDE 4.2.2)
OS:                Linux
Installed from:    Ubuntu Packages

I was playing around the system settings menus, going in one config after another, and suddenly crash, here's the trace:

Aplicación: Configuración del sistema (systemsettings), señal SIGSEGV
[Current thread is 0 (LWP 6678)]

Thread 2 (Thread 0xb40b6b90 (LWP 6681)):
#0  0xb7f3a430 in __kernel_vsyscall ()
#1  0xb66bf7b1 in select () from /lib/tls/i686/cmov/libc.so.6
#2  0xb73d8380 in QProcessManager::run (this=0x8e4e918) at io/qprocess_unix.cpp:305
#3  0xb730696e in QThreadPrivate::start (arg=0x8e4e918) at thread/qthread_unix.cpp:189
#4  0xb63114ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb66c749e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5ed6700 (LWP 6678)):
[KCrash Handler]
#6  0xaff9ab55 in MenuentryActionWidget::isChanged (this=0x9285918) at /usr/include/ksharedptr.h:84
#7  0xaff9cd62 in SimpleActionDataWidget::isChanged (this=0x98b8a60) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/kcm_hotkeys/simple_action_data_widget.cpp:54
#8  0xaff8f473 in KCMHotkeysPrivate::maybeShowWidget (this=0x99474a8) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/kcm_hotkeys/kcm_hotkeys.cpp:336
#9  0xaff8f6d5 in KCMHotkeys::currentChanged (this=0x98b1cb0, pCurrent=@0x9c4d648, pPrevious=@0x98b48f0) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/kcm_hotkeys/kcm_hotkeys.cpp:169
#10 0xaff8fbd1 in KCMHotkeys::qt_metacall (this=0x98b1cb0, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbfd55ac8)
    at /build/buildd/kdebase-workspace-4.2.2/obj-i486-linux-gnu/khotkeys/kcm_hotkeys/moc_kcm_hotkeys.cpp:71
#11 0xb7410ca8 in QMetaObject::activate (sender=0x98c8428, from_signal_index=5, to_signal_index=5, argv=0xbfd55ac8) at kernel/qobject.cpp:3069
#12 0xb7411932 in QMetaObject::activate (sender=0x98c8428, m=0xb7245430, local_signal_index=1, argv=0xbfd55ac8) at kernel/qobject.cpp:3143
#13 0xb6f787b9 in QItemSelectionModel::currentChanged (this=0x98c8428, _t1=@0x9c4d648, _t2=@0x98b48f0) at .moc/release-shared/moc_qitemselectionmodel.cpp:153
#14 0xb6f7895d in QItemSelectionModel::setCurrentIndex (this=0x98c8428, index=@0xbfd55b80, command={i = -1076536412}) at itemviews/qitemselectionmodel.cpp:1123
#15 0xb6f21764 in QAbstractItemView::focusInEvent (this=0x9947098, event=0xbfd560c8) at itemviews/qabstractitemview.cpp:1960
#16 0xb6a025db in QWidget::event (this=0x9947098, event=0xbfd560c8) at kernel/qwidget.cpp:7614
#17 0xb6ddcd83 in QFrame::event (this=0x9947098, e=0xbfd560c8) at widgets/qframe.cpp:559
#18 0xb6e7d83d in QAbstractScrollArea::event (this=0x9947098, e=0xbfd560c8) at widgets/qabstractscrollarea.cpp:918
#19 0xb6f27997 in QAbstractItemView::event (this=0x9947098, event=0xbfd560c8) at itemviews/qabstractitemview.cpp:1401
#20 0xb69abf2c in QApplicationPrivate::notify_helper (this=0x8e5a5d0, receiver=0x9947098, e=0xbfd560c8) at kernel/qapplication.cpp:4084
#21 0xb69b4312 in QApplication::notify (this=0xbfd57714, receiver=0x9947098, e=0xbfd560c8) at kernel/qapplication.cpp:4049
#22 0xb794994d in KApplication::notify (this=0xbfd57714, receiver=0x9947098, event=0xbfd560c8) at /build/buildd/kde4libs-4.2.2/kdeui/kernel/kapplication.cpp:307
#23 0xb73faa3b in QCoreApplication::notifyInternal (this=0xbfd57714, receiver=0x9947098, event=0xbfd560c8) at kernel/qcoreapplication.cpp:602
#24 0xb7412e7e in QCoreApplication::sendEvent (receiver=0x9947098, event=0xbfd55800) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#25 0xb69b2a3e in QApplicationPrivate::setFocusWidget (focus=0x9947098, reason=Qt::OtherFocusReason) at kernel/qapplication.cpp:2113
#26 0xb69fc6ae in QWidget::setFocus (this=0x9947098, reason=Qt::OtherFocusReason) at kernel/qwidget.cpp:5714
#27 0xb69e9d26 in QStackedLayout::setCurrentIndex (this=0x8f9f798, index=2) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:408
#28 0xb69e9e6d in QStackedLayout::setCurrentWidget (this=0x8f9f798, widget=0x929c6a0) at kernel/qstackedlayout.cpp:367
#29 0xb6e4d0cc in QStackedWidget::setCurrentWidget (this=0x905b588, widget=0x929c6a0) at widgets/qstackedwidget.cpp:248
#30 0x0805a73b in MainWindow::selectionChanged (this=0x8f71ad0, selected=@0x9c4d7f8) at /build/buildd/kdebase-workspace-4.2.2/systemsettings/mainwindow.cpp:374
#31 0x0805ae3c in MainWindow::qt_metacall (this=0x8f71ad0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfd5641c)
    at /build/buildd/kdebase-workspace-4.2.2/obj-i486-linux-gnu/systemsettings/mainwindow.moc:71
#32 0xb7410ca8 in QMetaObject::activate (sender=0x90331e0, from_signal_index=34, to_signal_index=34, argv=0xbfd5641c) at kernel/qobject.cpp:3069
#33 0xb7411932 in QMetaObject::activate (sender=0x90331e0, m=0xb7244a24, local_signal_index=3, argv=0xbfd5641c) at kernel/qobject.cpp:3143
#34 0xb6f1e503 in QAbstractItemView::activated (this=0x90331e0, _t1=@0x9c4d7f8) at .moc/release-shared/moc_qabstractitemview.cpp:335
#35 0xb6f2bc10 in QAbstractItemView::mouseReleaseEvent (this=0x90331e0, event=0xbfd56df8) at itemviews/qabstractitemview.cpp:1659
#36 0xb6f4283f in QListView::mouseReleaseEvent (this=0x90331e0, e=0xbfd56df8) at itemviews/qlistview.cpp:849
#37 0xb7934c74 in KCategorizedView::mouseReleaseEvent (this=0x90331e0, event=0xbfd56df8) at /build/buildd/kde4libs-4.2.2/kdeui/itemviews/kcategorizedview.cpp:1135
#38 0xb6a02bd3 in QWidget::event (this=0x90331e0, event=0xbfd56df8) at kernel/qwidget.cpp:7516
#39 0xb6ddcd83 in QFrame::event (this=0x90331e0, e=0xbfd56df8) at widgets/qframe.cpp:559
#40 0xb6e7cd3f in QAbstractScrollArea::viewportEvent (this=0x90331e0, e=0xbfd55800) at widgets/qabstractscrollarea.cpp:962
#41 0xb6f2ea37 in QAbstractItemView::viewportEvent (this=0x90331e0, event=0xbfd56df8) at itemviews/qabstractitemview.cpp:1466
#42 0xb6e7f345 in QAbstractScrollAreaFilter::eventFilter (this=0x9051fc8, o=0x8fa7898, e=0xbfd56df8) at widgets/qabstractscrollarea_p.h:100
#43 0xb73f9c5a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x8e5a5d0, receiver=0x8fa7898, event=0xbfd56df8) at kernel/qcoreapplication.cpp:718
#44 0xb69abf0a in QApplicationPrivate::notify_helper (this=0x8e5a5d0, receiver=0x8fa7898, e=0xbfd56df8) at kernel/qapplication.cpp:4080
#45 0xb69b4ba1 in QApplication::notify (this=0xbfd57714, receiver=0x8fa7898, e=0xbfd56df8) at kernel/qapplication.cpp:3786
#46 0xb794994d in KApplication::notify (this=0xbfd57714, receiver=0x8fa7898, event=0xbfd56df8) at /build/buildd/kde4libs-4.2.2/kdeui/kernel/kapplication.cpp:307
#47 0xb73faa3b in QCoreApplication::notifyInternal (this=0xbfd57714, receiver=0x8fa7898, event=0xbfd56df8) at kernel/qcoreapplication.cpp:602
#48 0xb69b3c0e in QApplicationPrivate::sendMouseEvent (receiver=0x8fa7898, event=0xbfd56df8, alienWidget=0x0, nativeWidget=0x8fa7898, buttonDown=0xb7257200, lastMouseReceiver=@0xb7257204)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#49 0xb6a23a0e in QETWidget::translateMouseEvent (this=0x8fa7898, event=0xbfd5743c) at kernel/qapplication_x11.cpp:4425
#50 0xb6a22d37 in QApplication::x11ProcessEvent (this=0xbfd57714, event=0xbfd5743c) at kernel/qapplication_x11.cpp:3421
#51 0xb6a4dcfa in x11EventSourceDispatch (s=0x8e4e800, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#52 0xb6240b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#53 0xb62440eb in ?? () from /usr/lib/libglib-2.0.so.0
#54 0xb6244268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#55 0xb7426438 in QEventDispatcherGlib::processEvents (this=0x8e33138, flags={i = -1076529672}) at kernel/qeventdispatcher_glib.cpp:323
#56 0xb6a4d3f5 in QGuiEventDispatcherGlib::processEvents (this=0x8e33138, flags={i = -1076529624}) at kernel/qguieventdispatcher_glib.cpp:202
#57 0xb73f906a in QEventLoop::processEvents (this=0xbfd576a0, flags={i = -1076529560}) at kernel/qeventloop.cpp:149
#58 0xb73f94aa in QEventLoop::exec (this=0xbfd576a0, flags={i = -1076529496}) at kernel/qeventloop.cpp:200
#59 0xb73fb959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#60 0xb69abda7 in QApplication::exec () at kernel/qapplication.cpp:3553
#61 0x08056c3b in main (argc=5, argv=0xbfd57954) at /build/buildd/kdebase-workspace-4.2.2/systemsettings/main.cpp:67


Using kubuntu Jaunty (9.04 RC)