Application: systemsettings (1.0)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic-pae i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:trying to access system settings.

also  i just upgraded to 11.10. noticed unstable behavior immediately. ubuntu software center kept crashing.sometimes i can't get desktop up,have to restart.could not add any software .time and other functions missing.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
[Current thread is 1 (Thread 0xb4f66930 (LWP 5101))]

Thread 2 (Thread 0xb32ffb70 (LWP 5104)):
#0  0xb7775424 in __kernel_vsyscall ()
#1  0xb608140e in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb57b334b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb57a4896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb57a4f9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb4aeecea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0xb57cb5f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb587ad31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb60900ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb4f66930 (LWP 5101)):
[KCrash Handler]
#7  0xb6e54fe4 in QAbstractScrollArea::viewport (this=0x0) at widgets/qabstractscrollarea.cpp:574
#8  0xb18ea7b2 in QAccessibleItemView::object (this=0x99ada08) at complexwidgets.cpp:879
#9  0xb1c530ab in QSpiAccessibleBridge::interfaceToAccessible(QAccessibleInterface*, int, bool) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#10 0xb1c54b7d in QSpiAccessibleBridge::notifyAccessibilityUpdate(int, QAccessibleInterface*, int) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#11 0xb6ef139e in QAccessible::updateAccessibility (o=0x975b260, who=0, reason=QAccessible::ObjectHide) at accessible/qaccessible_unix.cpp:107
#12 0xb69b73be in QWidgetPrivate::hideChildren (this=0x99accd8, spontaneous=false) at kernel/qwidget.cpp:7836
#13 0xb69b7552 in QWidgetPrivate::hide_helper (this=0x99accd8) at kernel/qwidget.cpp:7562
#14 0xb69c0c50 in QWidget::setVisible (this=0x954f260, visible=false) at kernel/qwidget.cpp:7734
#15 0xb6e542c3 in QAbstractScrollAreaPrivate::layoutChildren (this=0x975a5d0) at widgets/qabstractscrollarea.cpp:473
#16 0xb6e554e5 in QAbstractScrollArea::event (this=0x9759b50, e=0xbf8faab8) at widgets/qabstractscrollarea.cpp:924
#17 0xb6ef814c in QAbstractItemView::event (this=0x9759b50, event=0xbf8faab8) at itemviews/qabstractitemview.cpp:1564
#18 0xb6f166e3 in QListView::event (this=0x9759b50, e=0xbf8faab8) at itemviews/qlistview.cpp:1632
#19 0xb6961d54 in notify_helper (e=0xbf8faab8, receiver=0x9759b50, this=0x9391e18) at kernel/qapplication.cpp:4486
#20 QApplicationPrivate::notify_helper (this=0x9391e18, receiver=0x9759b50, e=0xbf8faab8) at kernel/qapplication.cpp:4458
#21 0xb69671a8 in QApplication::notify (this=0x9391e18, receiver=0x9759b50, e=0xbf8faab8) at kernel/qapplication.cpp:4451
#22 0xb74b7681 in KApplication::notify (this=0xbf8fc1ec, receiver=0x9759b50, event=0xbf8faab8) at ../../kdeui/kernel/kapplication.cpp:311
#23 0xb638c19e in QCoreApplication::notifyInternal (this=0xbf8fc1ec, receiver=0x9759b50, event=0xbf8faab8) at kernel/qcoreapplication.cpp:787
#24 0xb69b7b8a in sendEvent (event=0xbf8faab8, receiver=0x9759b50) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#25 QWidget::setContentsMargins (this=0x9759b50, left=1, top=1, right=1, bottom=1) at kernel/qwidget.cpp:7122
#26 0xb6dc0c4f in QFrame::setFrameRect (this=0x9759b50, r=...) at widgets/qframe.cpp:469
#27 0xb6e5464a in QAbstractScrollAreaPrivate::layoutChildren (this=0x975a5d0) at widgets/qabstractscrollarea.cpp:403
#28 0xb6f1830e in QListView::updateGeometries (this=0x9759b50) at itemviews/qlistview.cpp:1499
#29 0xb6ef1ad5 in QAbstractItemView::resizeEvent (this=0x9759b50, event=0xbf8fb484) at itemviews/qabstractitemview.cpp:2399
#30 0xb6f1579a in QListView::resizeEvent (this=0x9759b50, e=0xbf8fb484) at itemviews/qlistview.cpp:845
#31 0xb69bbf7a in QWidget::event (this=0x9759b50, event=0xbf8fb484) at kernel/qwidget.cpp:8449
#32 0xb6dc1235 in QFrame::event (this=0x9759b50, e=0xbf8fb484) at widgets/qframe.cpp:557
#33 0xb6e537d1 in QAbstractScrollArea::viewportEvent (this=0x9759b50, e=0xbf8fb484) at widgets/qabstractscrollarea.cpp:1043
#34 0xb6ef5b6c in QAbstractItemView::viewportEvent (this=0x9759b50, event=0xbf8fb484) at itemviews/qabstractitemview.cpp:1628
#35 0xb6e55ee6 in viewportEvent (this=<optimized out>, event=0xbf8fb484) at widgets/qabstractscrollarea_p.h:100
#36 eventFilter (e=0xbf8fb484, this=<optimized out>, o=<optimized out>) at widgets/qabstractscrollarea_p.h:116
#37 QAbstractScrollAreaFilter::eventFilter (this=0x986f5f8, o=0x9765f18, e=0xbf8fb484) at widgets/qabstractscrollarea_p.h:115
#38 0xb638c336 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x9391e18, receiver=0x9765f18, event=0xbf8fb484) at kernel/qcoreapplication.cpp:902
#39 0xb6961d22 in notify_helper (e=0xbf8fb484, receiver=0x9765f18, this=0x9391e18) at kernel/qapplication.cpp:4482
#40 QApplicationPrivate::notify_helper (this=0x9391e18, receiver=0x9765f18, e=0xbf8fb484) at kernel/qapplication.cpp:4458
#41 0xb69671a8 in QApplication::notify (this=0x9391e18, receiver=0x9765f18, e=0xbf8fb484) at kernel/qapplication.cpp:4451
#42 0xb74b7681 in KApplication::notify (this=0xbf8fc1ec, receiver=0x9765f18, event=0xbf8fb484) at ../../kdeui/kernel/kapplication.cpp:311
#43 0xb638c19e in QCoreApplication::notifyInternal (this=0xbf8fc1ec, receiver=0x9765f18, event=0xbf8fb484) at kernel/qcoreapplication.cpp:787
#44 0xb69b78b3 in sendEvent (event=0xbf8fb484, receiver=0x9765f18) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#45 QWidgetPrivate::sendPendingMoveAndResizeEvents (this=0x975a9b8, recursive=false, disableUpdates=<optimized out>) at kernel/qwidget.cpp:7365
#46 0xb69c05b8 in QWidgetPrivate::show_helper (this=0x975a9b8) at kernel/qwidget.cpp:7416
#47 0xb69c0a21 in QWidget::setVisible (this=0x9765f18, visible=true) at kernel/qwidget.cpp:7697
#48 0xb69c0540 in show (this=0x9765f18) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:487
#49 QWidgetPrivate::showChildren (this=0x975a5d0, spontaneous=false) at kernel/qwidget.cpp:7785
#50 0xb69c05e0 in QWidgetPrivate::show_helper (this=0x975a5d0) at kernel/qwidget.cpp:7422
#51 0xb69c0a21 in QWidget::setVisible (this=0x9759b50, visible=true) at kernel/qwidget.cpp:7697
#52 0xb69acfa6 in QWidgetPrivate::_q_showIfNotHidden (this=0x975a5d0) at kernel/qwidget.cpp:7764
#53 0xb69be93a in QWidget::qt_metacall (this=0x9759b50, _c=QMetaObject::InvokeMetaMethod, _id=22, _a=0x99bfbf0) at .moc/release-shared/moc_qwidget.cpp:213
#54 0xb707a1a2 in QFrame::qt_metacall (this=0x9759b50, _c=QMetaObject::InvokeMetaMethod, _id=26, _a=0x99bfbf0) at .moc/release-shared/moc_qframe.cpp:92
#55 0xb6e559a2 in QAbstractScrollArea::qt_metacall (this=0x9759b50, _c=QMetaObject::InvokeMetaMethod, _id=26, _a=0x99bfbf0) at .moc/release-shared/moc_qabstractscrollarea.cpp:78
#56 0xb6efafc2 in QAbstractItemView::qt_metacall (this=0x9759b50, _c=QMetaObject::InvokeMetaMethod, _id=26, _a=0x99bfbf0) at .moc/release-shared/moc_qabstractitemview.cpp:213
#57 0xb707f9e2 in QListView::qt_metacall (this=0x9759b50, _c=QMetaObject::InvokeMetaMethod, _id=26, _a=0x99bfbf0) at .moc/release-shared/moc_qlistview.cpp:111
#58 0xb74f05ee in KDEPrivate::KPageListView::qt_metacall (this=0x9759b50, _c=QMetaObject::InvokeMetaMethod, _id=26, _a=0x99bfbf0) at ./kpageview_p.moc:67
#59 0xb6392b7d in metacall (argv=0x99bfbf0, idx=26, cl=QMetaObject::InvokeMetaMethod, object=0x9759b50) at kernel/qmetaobject.cpp:237
#60 QMetaObject::metacall (object=0x9759b50, cl=QMetaObject::InvokeMetaMethod, idx=26, argv=0x99bfbf0) at kernel/qmetaobject.cpp:232
#61 0xb639d685 in QMetaCallEvent::placeMetaCall (this=0x99bb428, object=0x9759b50) at kernel/qobject.cpp:535
#62 0xb63a4b52 in QObject::event (this=0x9759b50, e=0x99bb428) at kernel/qobject.cpp:1217
#63 0xb69bbc62 in QWidget::event (this=0x9759b50, event=0x99bb428) at kernel/qwidget.cpp:8754
#64 0xb6dc1235 in QFrame::event (this=0x9759b50, e=0x99bb428) at widgets/qframe.cpp:557
#65 0xb6e55304 in QAbstractScrollArea::event (this=0x9759b50, e=0x99bb428) at widgets/qabstractscrollarea.cpp:996
#66 0xb6ef814c in QAbstractItemView::event (this=0x9759b50, event=0x99bb428) at itemviews/qabstractitemview.cpp:1564
#67 0xb6f166e3 in QListView::event (this=0x9759b50, e=0x99bb428) at itemviews/qlistview.cpp:1632
#68 0xb6961d54 in notify_helper (e=0x99bb428, receiver=0x9759b50, this=0x9391e18) at kernel/qapplication.cpp:4486
#69 QApplicationPrivate::notify_helper (this=0x9391e18, receiver=0x9759b50, e=0x99bb428) at kernel/qapplication.cpp:4458
#70 0xb69671a8 in QApplication::notify (this=0x9391e18, receiver=0x9759b50, e=0x99bb428) at kernel/qapplication.cpp:4451
#71 0xb74b7681 in KApplication::notify (this=0xbf8fc1ec, receiver=0x9759b50, event=0x99bb428) at ../../kdeui/kernel/kapplication.cpp:311
#72 0xb638c19e in QCoreApplication::notifyInternal (this=0xbf8fc1ec, receiver=0x9759b50, event=0x99bb428) at kernel/qcoreapplication.cpp:787
#73 0xb638ff93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#74 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9373e88) at kernel/qcoreapplication.cpp:1428
#75 0xb63900ec in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1321
#76 0xb63ba6a4 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#77 postEventSourceDispatch (s=0x9394500) at kernel/qeventdispatcher_glib.cpp:277
#78 0xb57a425f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#79 0xb57a4990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#80 0xb57a4c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#81 0xb63baada in QEventDispatcherGlib::processEvents (this=0x9374bb0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#82 0xb6a19e3a in QGuiEventDispatcherGlib::processEvents (this=0x9374bb0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#83 0xb638b1dd in QEventLoop::processEvents (this=0xbf8fc144, flags=...) at kernel/qeventloop.cpp:149
#84 0xb638b421 in QEventLoop::exec (this=0xbf8fc144, flags=...) at kernel/qeventloop.cpp:201
#85 0xb639019d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#86 0xb695f8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#87 0x080502b8 in ?? ()
#88 0xb5fd7113 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
#89 0x080502fd in _start ()

Reported using DrKonqi