Application: systemsettings (1.0)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.8.0
Operating System: Linux 3.1.5-2.fc16.i686 i686
Distribution: "Fedora release 16 (Verne)"

-- Information about the crash:
When I try to start Login Screen from System Settings... "BOOM"! It crashed!

The crash can be reproduced every time.

-- Backtrace:
Application: Impostazioni di sistema (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[KCrash Handler]
#7  elf_machine_rela_relative (reloc_addr_arg=0xbe4b3315, l_addr=3168264192, reloc=<optimized out>) at ../sysdeps/i386/dl-machine.h:644
#8  elf_dynamic_do_Rela (skip_ifunc=0, nrelative=558093, relsize=6782952, reladdr=<optimized out>, map=0x939b4a0, lazy=<optimized out>) at do-rel.h:121
#9  _dl_relocate_object (scope=0x939b658, reloc_mode=1, consider_profiling=0) at dl-reloc.c:265
#10 0x4f6463ab in dl_open_worker (a=0xbfdbe9b0) at dl-open.c:338
#11 0x4f641d0f in _dl_catch_error (objname=0xbfdbe9d4, errstring=0xbfdbe9d8, mallocedp=0xbfdbe9df, operate=0x4f646100 <dl_open_worker>, args=0xbfdbe9b0) at dl-error.c:178
#12 0x4f645d06 in _dl_open (file=0x9382738 "/usr/lib/kde4/kcm_kdm.so", mode=-2147483647, caller_dlopen=0x413487d3, nsid=-2, argc=5, argv=0xbfdc1474, env=0x9145cd0) at dl-open.c:575
#13 0x4f809c09 in dlopen_doit (a=0xbfdbeb80) at dlopen.c:67
#14 0x4f641d0f in _dl_catch_error (objname=0x90c266c, errstring=0x90c2670, mallocedp=0x90c2668, operate=0x4f809b70 <dlopen_doit>, args=0xbfdbeb80) at dl-error.c:178
#15 0x4f80a3ba in _dlerror_run (operate=0x4f809b70 <dlopen_doit>, args=0xbfdbeb80) at dlerror.c:164
#16 0x4f809cb7 in __dlopen (file=0x9382738 "/usr/lib/kde4/kcm_kdm.so", mode=1) at dlopen.c:88
#17 0x413487d3 in QLibraryPrivate::load_sys (this=0x9381f90) at plugin/qlibrary_unix.cpp:209
#18 0x41344c44 in load (this=0x9381f90) at plugin/qlibrary.cpp:466
#19 QLibraryPrivate::load (this=0x9381f90) at plugin/qlibrary.cpp:458
#20 0x4134500e in QLibraryPrivate::loadPlugin (this=0x9381f90) at plugin/qlibrary.cpp:516
#21 0x413398c3 in QPluginLoader::load (this=0xbfdbeec0) at plugin/qpluginloader.cpp:227
#22 0x417d7328 in KPluginLoader::load (this=0xbfdbeec0) at /usr/src/debug/kdelibs-4.7.3/kdecore/util/kpluginloader.cpp:224
#23 0x417d7663 in KPluginLoader::factory (this=0xbfdbeec0) at /usr/src/debug/kdelibs-4.7.3/kdecore/util/kpluginloader.cpp:189
#24 0x440ef247 in createInstance<KCModule> (error=0xbfdbef18, args=..., parent=0x93e3890, parentWidget=0x0, this=0x9266ba0) at /usr/src/debug/kdelibs-4.7.3/kdecore/services/kservice.h:549
#25 createInstance<KCModule> (error=0xbfdbef18, args=..., parent=0x93e3890, this=0x9266ba0) at /usr/src/debug/kdelibs-4.7.3/kdecore/services/kservice.h:528
#26 KCModuleLoader::loadModule (mod=..., report=KCModuleLoader::Inline, parent=0x93e3890, args=...) at /usr/src/debug/kdelibs-4.7.3/kutils/kcmoduleloader.cpp:89
#27 0x440f4c4b in KCModuleProxyPrivate::loadModule (this=0x916f3b0) at /usr/src/debug/kdelibs-4.7.3/kutils/kcmoduleproxy.cpp:106
#28 0x440f5aac in KCModuleProxy::realModule (this=0x93e3890) at /usr/src/debug/kdelibs-4.7.3/kutils/kcmoduleproxy.cpp:83
#29 0x440f5af2 in KCModuleProxy::showEvent (this=0x93e3890, ev=0xbfdbf700) at /usr/src/debug/kdelibs-4.7.3/kutils/kcmoduleproxy.cpp:197
#30 0x41d51d0f in QWidget::event (this=0x93e3890, event=0xbfdbf700) at kernel/qwidget.cpp:8557
#31 0x41cf6a34 in notify_helper (e=0xbfdbf700, receiver=0x93e3890, this=0x9093fd0) at kernel/qapplication.cpp:4518
#32 QApplicationPrivate::notify_helper (this=0x9093fd0, receiver=0x93e3890, e=0xbfdbf700) at kernel/qapplication.cpp:4490
#33 0x41cfbf7b in QApplication::notify (this=0x9093fd0, receiver=0x93e3890, e=0xbfdbf700) at kernel/qapplication.cpp:4483
#34 0x42895fa2 in KApplication::notify (this=0xbfdc133c, receiver=0x93e3890, event=0xbfdbf700) at /usr/src/debug/kdelibs-4.7.3/kdeui/kernel/kapplication.cpp:311
#35 0x413574be in QCoreApplication::notifyInternal (this=0xbfdc133c, receiver=0x93e3890, event=0xbfdbf700) at kernel/qcoreapplication.cpp:876
#36 0x41d5498d in sendEvent (event=0xbfdbf700, receiver=0x93e3890) at ../../src/corelib/kernel/qcoreapplication.h:231
#37 QWidgetPrivate::show_helper (this=0x93fa3a8) at kernel/qwidget.cpp:7530
#38 0x41d54655 in QWidgetPrivate::show_recursive (this=0x93fa3a8) at kernel/qwidget.cpp:7401
#39 0x41d54759 in QWidgetPrivate::showChildren (this=0x93fb880, spontaneous=false) at kernel/qwidget.cpp:7838
#40 0x41d54881 in QWidgetPrivate::show_helper (this=0x93fb880) at kernel/qwidget.cpp:7477
#41 0x41d54cc1 in QWidget::setVisible (this=0x927a360, visible=true) at kernel/qwidget.cpp:7752
#42 0x41d547d8 in show (this=0x927a360) at ../../src/gui/kernel/qwidget.h:494
#43 QWidgetPrivate::showChildren (this=0x93812b0, spontaneous=false) at kernel/qwidget.cpp:7840
#44 0x41d54881 in QWidgetPrivate::show_helper (this=0x93812b0) at kernel/qwidget.cpp:7477
#45 0x41d54cc1 in QWidget::setVisible (this=0x934c400, visible=true) at kernel/qwidget.cpp:7752
#46 0x41d3272d in show (this=0x934c400) at ../../src/gui/kernel/qwidget.h:494
#47 QStackedLayout::setCurrentIndex (this=0x9269058, index=1) at kernel/qstackedlayout.cpp:311
#48 0x41d32890 in QStackedLayout::setCurrentWidget (this=0x9269058, widget=0x934c400) at kernel/qstackedlayout.cpp:365
#49 0x421d4aef in QStackedWidget::setCurrentWidget (this=0x923e0c0, widget=0x934c400) at widgets/qstackedwidget.cpp:292
#50 0x428cec7e in KPageViewPrivate::_k_pageSelected (this=0x923ddd0, index=..., previous=...) at /usr/src/debug/kdelibs-4.7.3/kdeui/paged/kpageview.cpp:235
#51 0x4136cd61 in QMetaObject::activate (sender=0x937fa78, m=0x42672b88, local_signal_index=0, argv=0xbfdbfb14) at kernel/qobject.cpp:3546
#52 0x423057ae in QItemSelectionModel::selectionChanged (this=0x937fa78, _t1=..., _t2=...) at .moc/release-shared/moc_qitemselectionmodel.cpp:166
#53 0x4230ba3d in QItemSelectionModel::emitSelectionChanged (this=0x937fa78, newSelection=..., oldSelection=...) at itemviews/qitemselectionmodel.cpp:1544
#54 0x4230cabd in QItemSelectionModel::select (this=0x937fa78, selection=..., command=...) at itemviews/qitemselectionmodel.cpp:1110
#55 0x423078f7 in QItemSelectionModel::select (this=0x937fa78, index=..., command=...) at itemviews/qitemselectionmodel.cpp:985
#56 0x42305ae0 in QItemSelectionModel::setCurrentIndex (this=0x937fa78, index=..., command=...) at itemviews/qitemselectionmodel.cpp:1174
#57 0x428cd668 in KPageViewPrivate::_k_rebuildGui (this=0x923ddd0) at /usr/src/debug/kdelibs-4.7.3/kdeui/paged/kpageview.cpp:70
#58 0x428ce978 in KPageViewPrivate::_k_modelChanged (this=0x923ddd0) at /usr/src/debug/kdelibs-4.7.3/kdeui/paged/kpageview.cpp:190
#59 0x4136cd61 in QMetaObject::activate (sender=0x927e918, m=0x414b2438, local_signal_index=2, argv=0x0) at kernel/qobject.cpp:3546
#60 0x413c01b6 in QAbstractItemModel::layoutChanged (this=0x927e918) at .moc/release-shared/moc_qabstractitemmodel.cpp:177
#61 0x428d5160 in KPageWidgetModel::addPage (this=0x927e918, item=0x9266b90) at /usr/src/debug/kdelibs-4.7.3/kdeui/paged/kpagewidgetmodel.cpp:401
#62 0x428d2cda in KPageWidget::addPage (this=0x928a648, item=0x9266b90) at /usr/src/debug/kdelibs-4.7.3/kdeui/paged/kpagewidget.cpp:87
#63 0x434662a8 in ModuleView::addModule (this=0x9242b78, module=0x92920c4) at /usr/src/debug/kde-workspace-4.7.3/systemsettings/core/ModuleView.cpp:221
#64 0x43466886 in ModuleView::loadModule (this=0x9242b78, menuItem=...) at /usr/src/debug/kde-workspace-4.7.3/systemsettings/core/ModuleView.cpp:174
#65 0x00314ba7 in IconMode::changeModule (this=0x9238d28, activeModule=...) at /usr/src/debug/kde-workspace-4.7.3/systemsettings/icons/IconMode.cpp:134
#66 0x4136cd61 in QMetaObject::activate (sender=0x9241ce0, m=0x42671e9c, local_signal_index=3, argv=0xbfdc0208) at kernel/qobject.cpp:3546
#67 0x422a69c6 in QAbstractItemView::activated (this=0x9241ce0, _t1=...) at .moc/release-shared/moc_qabstractitemview.cpp:362
#68 0x422a6bc3 in QAbstractItemView::mouseDoubleClickEvent (this=0x9241ce0, event=0xbfdc0ad4) at itemviews/qabstractitemview.cpp:1849
#69 0x41d5187b in QWidget::event (this=0x9241ce0, event=0xbfdc0ad4) at kernel/qwidget.cpp:8354
#70 0x4216c676 in QFrame::event (this=0x9241ce0, e=0xbfdc0ad4) at widgets/qframe.cpp:557
#71 0x42200532 in QAbstractScrollArea::viewportEvent (this=0x9241ce0, e=0xbfdc0ad4) at widgets/qabstractscrollarea.cpp:1043
#72 0x422a568c in QAbstractItemView::viewportEvent (this=0x9241ce0, event=0xbfdc0ad4) at itemviews/qabstractitemview.cpp:1644
#73 0x42202d36 in viewportEvent (this=<optimized out>, event=0xbfdc0ad4) at widgets/qabstractscrollarea_p.h:100
#74 eventFilter (e=0xbfdc0ad4, this=<optimized out>, o=<optimized out>) at widgets/qabstractscrollarea_p.h:116
#75 QAbstractScrollAreaFilter::eventFilter (this=0x908cd90, o=0x9177398, e=0xbfdc0ad4) at widgets/qabstractscrollarea_p.h:115
#76 0x41357666 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x9093fd0, receiver=0x9177398, event=0xbfdc0ad4) at kernel/qcoreapplication.cpp:986
#77 0x41cf6a03 in notify_helper (e=0xbfdc0ad4, receiver=0x9177398, this=0x9093fd0) at kernel/qapplication.cpp:4514
#78 QApplicationPrivate::notify_helper (this=0x9093fd0, receiver=0x9177398, e=0xbfdc0ad4) at kernel/qapplication.cpp:4490
#79 0x41cfcbca in QApplication::notify (this=0x9093fd0, receiver=0x9177398, e=0xbfdc0ad4) at kernel/qapplication.cpp:4061
#80 0x42895fa2 in KApplication::notify (this=0xbfdc133c, receiver=0x9177398, event=0xbfdc0ad4) at /usr/src/debug/kdelibs-4.7.3/kdeui/kernel/kapplication.cpp:311
#81 0x413574be in QCoreApplication::notifyInternal (this=0xbfdc133c, receiver=0x9177398, event=0xbfdc0ad4) at kernel/qcoreapplication.cpp:876
#82 0x41cf7a06 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:231
#83 QApplicationPrivate::sendMouseEvent (receiver=0x9177398, event=0xbfdc0ad4, alienWidget=0x9177398, nativeWidget=0x9185360, buttonDown=0x42681dd4, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3157
#84 0x41d8176c in QETWidget::translateMouseEvent (this=0x9185360, event=0xbfdc0f8c) at kernel/qapplication_x11.cpp:4515
#85 0x41d8074d in QApplication::x11ProcessEvent (this=0xbfdc133c, event=0xbfdc0f8c) at kernel/qapplication_x11.cpp:3641
#86 0x41dab6f5 in x11EventSourceDispatch (s=0x9096f40, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#87 0x4f9025bf in g_main_dispatch (context=0x9096040) at gmain.c:2425
#88 g_main_context_dispatch (context=0x9096040) at gmain.c:2995
#89 0x4f902d00 in g_main_context_iterate (context=0x9096040, block=1334908832, dispatch=1, self=0x9093b78) at gmain.c:3073
#90 0x4f902faf in g_main_context_iteration (context=0x9096040, may_block=1) at gmain.c:3136
#91 0x4138a168 in QEventDispatcherGlib::processEvents (this=0x9074548, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#92 0x41dab38b in QGuiEventDispatcherGlib::processEvents (this=0x9074548, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#93 0x413563ae in QEventLoop::processEvents (this=0xbfdc1294, flags=...) at kernel/qeventloop.cpp:149
#94 0x41356659 in QEventLoop::exec (this=0xbfdc1294, flags=...) at kernel/qeventloop.cpp:204
#95 0x4135b7fb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#96 0x41cf4835 in QApplication::exec () at kernel/qapplication.cpp:3779
#97 0x08050322 in main (argc=5, argv=0xbfdc1474) at /usr/src/debug/kde-workspace-4.7.3/systemsettings/app/main.cpp:49

Possible duplicates by query: bug 289036, bug 288658, bug 288528, bug 288063, bug 287724.

Reported using DrKonqi