Application that crashed: kontact
Version of the application: 4.3.0 pre
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2))
Qt Version: 4.5.1
Operating System: Linux 2.6.30-10-generic i686
Distribution: Ubuntu karmic (development branch)

What I was doing when the application crashed:
Kontact crash when try to open akregator part.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 0 (LWP 4922)]

Thread 2 (Thread 0xb1871b90 (LWP 4933)):
#0  0x002c0422 in __kernel_vsyscall ()
#1  0x07db8412 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0847b5b4 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0x06cfcf1f in QWaitCondition::wait (this=0x920ebf0, mutex=0x920ebec, time=30000) at thread/qwaitcondition_unix.cpp:85
#4  0x06cf199e in QThreadPoolThread::run (this=0x857b138) at concurrent/qthreadpool.cpp:140
#5  0x06cfbf5e in QThreadPrivate::start (arg=0x857b138) at thread/qthread_unix.cpp:189
#6  0x07db44ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x0846c70e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7f53710 (LWP 4922)):
[KCrash Handler]
#6  0x071f508a in c4_FormatB::Define (this=0x96839d8, ptr_=0xbfb0795c) at ../../../../akregator/plugins/mk4storage/metakit/src/univ.inl:60
#7  0x071f750a in c4_HandlerSeq::Prepare (this=0x9681ed0, ptr_=0xbfb0795c, selfDesc_=true) at ../../../../akregator/plugins/mk4storage/metakit/src/handler.cpp:321
#8  0x071faeee in c4_Persist::LoadAll (this=0x96819f0) at ../../../../akregator/plugins/mk4storage/metakit/src/persist.cpp:1026
#9  0x071fff6a in c4_Storage (this=0x9679620, fname_=0x9683600 "/home/andre/.kde/share/apps/akregator/Archive/http___feeds.feedburner.com_gotchait.mk4", mode_=1)
    at ../../../../akregator/plugins/mk4storage/metakit/src/store.cpp:202
#10 0x0720ba0f in FeedStorageMK4Impl (this=0x96818e0, url=@0xbfb07c3c, main=0x931fa00) at ../../../../akregator/plugins/mk4storage/feedstoragemk4impl.cpp:152
#11 0x0720e6ec in Akregator::Backend::StorageMK4Impl::StorageMK4ImplPrivate::createFeedStorage (this=0x948e0a0, url=@0xbfb07c3c) at ../../../../akregator/plugins/mk4storage/storagemk4impl.cpp:77
#12 0x0720ed0b in Akregator::Backend::StorageMK4Impl::archiveFor (this=0x931fa00, url=@0xbfb07c3c) at ../../../../akregator/plugins/mk4storage/storagemk4impl.cpp:97
#13 0x031e4518 in Akregator::Feed::loadArticles (this=0x96817a0) at ../../../akregator/src/feed.cpp:234
#14 0x031e81f3 in Akregator::Feed::fromOPML (e={<QDomNode> = {impl = 0x95c2db0}, <No data fields>}, storage=0x931fa00) at ../../../akregator/src/feed.cpp:174
#15 0x031f358d in Akregator::FeedList::parseChildNodes (this=0x919b548, node=@0xbfb07ea0, parent=0x96619a8) at ../../../akregator/src/feedlist.cpp:237
#16 0x031f379e in Akregator::FeedList::parseChildNodes (this=0x919b548, node=@0xbfb07fb0, parent=0x9576e00) at ../../../akregator/src/feedlist.cpp:255
#17 0x031f4f8c in Akregator::FeedList::readFromOpml (this=0x919b548, doc=@0xbfb08180) at ../../../akregator/src/feedlist.cpp:295
#18 0x03239cb8 in Akregator::LoadFeedListCommand::Private::handleDocument (this=0x948c460, doc=@0xbfb08180) at ../../../akregator/src/loadfeedlistcommand.cpp:68
#19 0x0323a7fa in Akregator::LoadFeedListCommand::Private::doLoad (this=0x948c460) at ../../../akregator/src/loadfeedlistcommand.cpp:173
#20 0x0323ac33 in Akregator::LoadFeedListCommand::qt_metacall (this=0x9538cb0, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfb0826c) at ./loadfeedlistcommand.moc:72
#21 0x06e01ff3 in QMetaObject::activate (sender=0x953a670, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3120
#22 0x06e02c42 in QMetaObject::activate (sender=0x953a670, m=0x6edc908, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3194
#23 0x06e070e7 in QSingleShotTimer::timeout (this=0x953a670) at .moc/release-shared/qtimer.moc:76
#24 0x06e071fc in QSingleShotTimer::timerEvent (this=0x953a670) at kernel/qtimer.cpp:298
#25 0x06dfc05f in QObject::event (this=0x953a670, e=0xbfb08700) at kernel/qobject.cpp:1082
#26 0x00da0aa4 in QApplicationPrivate::notify_helper (this=0x85744e8, receiver=0x953a670, e=0xbfb08700) at kernel/qapplication.cpp:4057
#27 0x00da81dc in QApplication::notify (this=0xbfb08a64, receiver=0x953a670, e=0xbfb08700) at kernel/qapplication.cpp:3604
#28 0x00a7602a in KApplication::notify (this=0xbfb08a64, receiver=0x953a670, event=0xbfb08700) at ../../kdeui/kernel/kapplication.cpp:302
#29 0x06dec17b in QCoreApplication::notifyInternal (this=0xbfb08a64, receiver=0x953a670, event=0xbfb08700) at kernel/qcoreapplication.cpp:610
#30 0x06e193ae in QTimerInfoList::activateTimers (this=0x856b934) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#31 0x06e16dc0 in timerSourceDispatch (source=0x856b900) at kernel/qeventdispatcher_glib.cpp:164
#32 0x024efb18 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#33 0x024f30b0 in ?? () from /usr/lib/libglib-2.0.so.0
#34 0x024f31e3 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#35 0x06e16d0c in QEventDispatcherGlib::processEvents (this=0x857daf0, flags={i = 36}) at kernel/qeventdispatcher_glib.cpp:324
#36 0x00e415c5 in QGuiEventDispatcherGlib::processEvents (this=0x857daf0, flags={i = 36}) at kernel/qguieventdispatcher_glib.cpp:202
#37 0x06dea729 in QEventLoop::processEvents (this=0xbfb089c4, flags=) at kernel/qeventloop.cpp:149
#38 0x06deab72 in QEventLoop::exec (this=0xbfb089c4, flags={i = 0}) at kernel/qeventloop.cpp:200
#39 0x06dececf in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#40 0x00da0927 in QApplication::exec () at kernel/qapplication.cpp:3526
#41 0x0804b4d6 in main (argc=1, argv=0xbfb08c64) at ../../../kontact/src/main.cpp:218

Reported using DrKonqi