Application that crashed: akregator
Version of the application: 1.5.1
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-16-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
boot
segfaults and feeds are gone
complains about a malformed XML file

 -- Backtrace:
Application: Akregator (akregator), signal: Segmentation fault
[KCrash Handler]
#6  0x07654267 in Akregator::FeedList::allFeedsFolder() () from /usr/lib/kde4/akregatorpart.so
#7  0x076bbf45 in Akregator::MainWidget::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/kde4/akregatorpart.so
#8  0x06ad9263 in QMetaObject::activate (sender=0x91307b8, from_signal_index=5, to_signal_index=6, argv=0xbfa8cf48) at kernel/qobject.cpp:3113
#9  0x06ad96d8 in QMetaObject::activate (sender=0x91307b8, m=0x18cee48, from_local_signal_index=1, to_local_signal_index=2, argv=0xbfa8cf48) at kernel/qobject.cpp:3207
#10 0x010669b1 in QAction::triggered (this=0x91307b8, _t1=false) at .moc/release-shared/moc_qaction.cpp:236
#11 0x01067f32 in QAction::activate (this=0x91307b8, event=QAction::Trigger) at kernel/qaction.cpp:1160
#12 0x014b59cc in QMenuPrivate::activateCausedStack (this=0x9388720, causedStack=..., action=0x91307b8, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:967
#13 0x014bc03b in QMenuPrivate::activateAction (this=0x9388720, action=0x91307b8, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1060
#14 0x014bcbf7 in QMenu::mouseReleaseEvent (this=0x9387cc8, e=0xbfa8d6a0) at widgets/qmenu.cpp:2254
#15 0x009041c5 in KMenu::mouseReleaseEvent (this=0x9387cc8, e=0xbfa8d6a0) at ../../kdeui/widgets/kmenu.cpp:456
#16 0x010c2012 in QWidget::event (this=0x9387cc8, event=0xbfa8d6a0) at kernel/qwidget.cpp:7549
#17 0x014bee34 in QMenu::event (this=0x9387cc8, e=0xbfa8d6a0) at widgets/qmenu.cpp:2353
#18 0x0106cf54 in QApplicationPrivate::notify_helper (this=0x904ef68, receiver=0x9387cc8, e=0xbfa8d6a0) at kernel/qapplication.cpp:4056
#19 0x01075033 in QApplication::notify (this=0xbfa8f068, receiver=0x9387cc8, e=0xbfa8d6a0) at kernel/qapplication.cpp:3758
#20 0x00819bfa in KApplication::notify (this=0xbfa8f068, receiver=0x9387cc8, event=0xbfa8d6a0) at ../../kdeui/kernel/kapplication.cpp:302
#21 0x06ac36cb in QCoreApplication::notifyInternal (this=0xbfa8f068, receiver=0x9387cc8, event=0xbfa8d6a0) at kernel/qcoreapplication.cpp:610
#22 0x01073f6e in QCoreApplication::sendSpontaneousEvent (receiver=0x9387cc8, event=0xbfa8d6a0, alienWidget=0x0, nativeWidget=0x9387cc8, buttonDown=0x18e7aa0, lastMouseReceiver=...)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#23 QApplicationPrivate::sendMouseEvent (receiver=0x9387cc8, event=0xbfa8d6a0, alienWidget=0x0, nativeWidget=0x9387cc8, buttonDown=0x18e7aa0, lastMouseReceiver=...) at kernel/qapplication.cpp:2924
#24 0x010e2c87 in QETWidget::translateMouseEvent (this=0x9387cc8, event=0xbfa8ecec) at kernel/qapplication_x11.cpp:4343
#25 0x010e1c4b in QApplication::x11ProcessEvent (this=0xbfa8f068, event=0xbfa8ecec) at kernel/qapplication_x11.cpp:3428
#26 0x0110e502 in x11EventSourceDispatch (s=0x904a810, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#27 0x0406fe88 in g_main_dispatch (context=0x9051728) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:1960
#28 IA__g_main_context_dispatch (context=0x9051728) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2513
#29 0x04073730 in g_main_context_iterate (context=0x9051728, block=<value optimized out>, dispatch=1, self=0x903c200) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2591
#30 0x04073863 in IA__g_main_context_iteration (context=0x9051728, may_block=1) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2654
#31 0x06aee02c in QEventDispatcherGlib::processEvents (this=0x901d9f8, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#32 0x0110dbe5 in QGuiEventDispatcherGlib::processEvents (this=0x901d9f8, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#33 0x06ac1c79 in QEventLoop::processEvents (this=0xbfa8efe4, flags=) at kernel/qeventloop.cpp:149
#34 0x06ac20ca in QEventLoop::exec (this=0xbfa8efe4, flags=...) at kernel/qeventloop.cpp:201
#35 0x06ac453f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#36 0x0106cdd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#37 0x0804f981 in _start ()

Reported using DrKonqi