Application: kontact (4.4.9)
KDE Platform Version: 4.6.00 (4.6.0)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-27-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:

I tried to retrieve feeds.

Will there be any solution or work around?

Akregator is unusable since january.

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f0d9b8b1780 (LWP 16375))]

Thread 2 (Thread 0x7f0d75add700 (LWP 16517)):
#0  0x00007f0d9235dc9d in __pthread_mutex_unlock_usercnt (mutex=0x351be28) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x351be28) at pthread_mutex_unlock.c:290
#2  0x00007f0d91e9b661 in g_main_context_check () from /lib/libglib-2.0.so.0
#3  0x00007f0d91e9c023 in ?? () from /lib/libglib-2.0.so.0
#4  0x00007f0d91e9c45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x00007f0d98f601e6 in QEventDispatcherGlib::processEvents (this=0x360bcb0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#6  0x00007f0d98f32a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#7  0x00007f0d98f32dec in QEventLoop::exec (this=0x7f0d75adcd90, flags=) at kernel/qeventloop.cpp:201
#8  0x00007f0d98e3d2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#9  0x00007f0d98f125f8 in QInotifyFileSystemWatcherEngine::run (this=0x13cc710) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f0d98e4027e in QThreadPrivate::start (arg=0x13cc710) at thread/qthread_unix.cpp:266
#11 0x00007f0d9235a971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#12 0x00007f0d9882892d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f0d9b8b1780 (LWP 16375)):
[KCrash Handler]
#6  memcpy () at ../sysdeps/x86_64/memcpy.S:161
#7  0x00007f0d6c826853 in c4_Column::FetchBytes (this=<value optimized out>, pos_=<value optimized out>, len_=<value optimized out>, buffer_=..., forceCopy_=false) at /usr/include/bits/string3.h:52
#8  0x00007f0d6c82eb64 in c4_FormatB::GetOne (this=0x7f0d72e43d50, index_=<value optimized out>, length_=@0x7fff7a9491dc) at ../../../../akregator/plugins/mk4storage/metakit/src/format.cpp:583
#9  0x00007f0d6c82eb89 in c4_FormatS::Get (this=0x3b94180, index_=286, length_=@0xffffffffff553ccc) at ../../../../akregator/plugins/mk4storage/metakit/src/format.cpp:842
#10 0x00007f0d6c8311d6 in c4_Handler::GetBytes (this=0x3b94180, index_=286, buf_=..., copySmall_=254) at ../../../../akregator/plugins/mk4storage/metakit/src/handler.cpp:53
#11 0x00007f0d6c83dbb2 in c4_Sequence::Get (this=0x7f0d72e42750, index_=1129, propId_=<value optimized out>, buf_=...) at ../../../../akregator/plugins/mk4storage/metakit/src/viewx.cpp:319
#12 0x00007f0d6c82877b in c4_CustomHandler::Get (this=0x7f0d72e43790, index_=1129, length_=@0x7fff7a94928c) at ../../../../akregator/plugins/mk4storage/metakit/src/custom.cpp:58
#13 0x00007f0d6c8311d6 in c4_Handler::GetBytes (this=0x3b94180, index_=286, buf_=..., copySmall_=254) at ../../../../akregator/plugins/mk4storage/metakit/src/handler.cpp:53
#14 0x00007f0d6c83f09e in c4_Sequence::SetAt (this=0x3e41710, index_=0, newElem_=...) at ../../../../akregator/plugins/mk4storage/metakit/src/viewx.cpp:98
#15 0x00007f0d6c83be28 in c4_Row::operator= (this=0x7fff7a949400, rowRef_=<value optimized out>) at ../../../../akregator/plugins/mk4storage/metakit/src/view.cpp:1008
#16 0x00007f0d6c8402e9 in Akregator::Backend::FeedStorageMK4Impl::setStatus (this=0x7f0d72e40f20, guid=<value optimized out>, status=33) at ../../../../akregator/plugins/mk4storage/feedstoragemk4impl.cpp:394
#17 0x00007f0d6d15fee1 in Akregator::Article::setStatus (this=0x3a4b4b0, stat=0) at ../../../akregator/src/article.cpp:367
#18 0x00007f0d6d16fe74 in Akregator::Feed::fetch (this=0x7f0d72e27ef0, followDiscovery=<value optimized out>) at ../../../akregator/src/feed.cpp:586
#19 0x00007f0d6d182e40 in Akregator::FetchQueue::fetchNextFeed (this=0x25dbfa0) at ../../../akregator/src/fetchqueue.cpp:91
#20 0x00007f0d6d182eb8 in Akregator::FetchQueue::feedDone (this=0x25dbfa0, f=0x7f0d72cec160) at ../../../akregator/src/fetchqueue.cpp:126
#21 0x00007f0d6d1830ec in Akregator::FetchQueue::qt_metacall (this=0x25dbfa0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7a949610) at ./fetchqueue.moc:94
#22 0x00007f0d98f4bb27 in QMetaObject::activate (sender=0x7f0d72cec160, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xfffffffe) at kernel/qobject.cpp:3280
#23 0x00007f0d6d16eb02 in Akregator::Feed::fetched (this=0x3b94180, _t1=0x7f0d72cec160) at ./feed.moc:132
#24 0x00007f0d6d172a96 in Akregator::Feed::fetchCompleted (this=0x7f0d72cec160, l=<value optimized out>, doc=) at ../../../akregator/src/feed.cpp:680
#25 0x00007f0d6d1730c8 in Akregator::Feed::qt_metacall (this=0x7f0d72cec160, _c=<value optimized out>, _id=<value optimized out>, _a=0x7fff7a949900) at ./feed.moc:112
#26 0x00007f0d98f4bb27 in QMetaObject::activate (sender=0x3b221b0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xfffffffe) at kernel/qobject.cpp:3280
#27 0x00007f0d6cadc182 in Syndication::Loader::loadingComplete (this=0x3b94180, _t1=0x3b221b0, _t2=<value optimized out>, _t3=Syndication::Success) at ./loader.moc:91
#28 0x00007f0d6cadd25d in Syndication::Loader::slotRetrieverDone (this=0x3b221b0, data=..., success=<value optimized out>) at ../../syndication/loader.cpp:157
#29 0x00007f0d6cadd6ad in Syndication::Loader::qt_metacall (this=0x3b221b0, _c=QMetaObject::InvokeMetaMethod, _id=-1, _a=0x7fff7a949b10) at ./loader.moc:79
#30 0x00007f0d98f4bb27 in QMetaObject::activate (sender=0x3b22120, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xfffffffe) at kernel/qobject.cpp:3280
#31 0x00007f0d6cadf8d3 in Syndication::DataRetriever::dataRetrieved (this=0x3b94180, _t1=<value optimized out>, _t2=true) at ./dataretriever.moc:85
#32 0x00007f0d6cae0710 in Syndication::FileRetriever::slotResult (this=0x3b22120, job=0x3b7bd00) at ../../syndication/dataretriever.cpp:132
#33 0x00007f0d6cae0803 in Syndication::FileRetriever::qt_metacall (this=0x3b22120, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7a949c90) at ./dataretriever.moc:213
#34 0x00007f0d98f4bb27 in QMetaObject::activate (sender=0x3b7bd00, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xfffffffe) at kernel/qobject.cpp:3280
#35 0x00007f0d993a1a82 in KJob::result (this=0x3b94180, _t1=0x3b7bd00) at ./kjob.moc:194
#36 0x00007f0d993a1d20 in KJob::emitResult (this=0x3b7bd00) at ../../kdecore/jobs/kjob.cpp:312
#37 0x00007f0d9731a083 in KIO::SimpleJob::slotFinished (this=0x3b7bd00) at ../../kio/kio/job.cpp:525
#38 0x00007f0d9731a992 in KIO::TransferJob::slotFinished (this=0x3b7bd00) at ../../kio/kio/job.cpp:1118
#39 0x00007f0d97318471 in KIO::TransferJob::qt_metacall (this=0x3b7bd00, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7a94a0d0) at ./jobclasses.moc:367
#40 0x00007f0d98f4bb27 in QMetaObject::activate (sender=0x28dc050, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xfffffffe) at kernel/qobject.cpp:3280
#41 0x00007f0d973cc0be in KIO::SlaveInterface::dispatch (this=0x28dc050, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:173
#42 0x00007f0d973c9103 in KIO::SlaveInterface::dispatch (this=0x28dc050) at ../../kio/kio/slaveinterface.cpp:89
#43 0x00007f0d973bca96 in KIO::Slave::gotInput (this=0x28dc050) at ../../kio/kio/slave.cpp:348
#44 0x00007f0d973bcc7c in KIO::Slave::qt_metacall (this=0x28dc050, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7a94a550) at ./slave.moc:82
#45 0x00007f0d98f4bb27 in QMetaObject::activate (sender=0x28780c0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xfffffffe) at kernel/qobject.cpp:3280
#46 0x00007f0d972e6c67 in KIO::ConnectionPrivate::dequeue (this=0x35d1820) at ../../kio/kio/connection.cpp:82
#47 0x00007f0d972e6d8d in KIO::Connection::qt_metacall (this=0x28780c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x3a3fe40) at ./connection.moc:79
#48 0x00007f0d98f45bde in QObject::event (this=0x28780c0, e=0x3b94180) at kernel/qobject.cpp:1219
#49 0x00007f0d99915fdc in QApplicationPrivate::notify_helper (this=0x107d6f0, receiver=0x28780c0, e=0x2196cf0) at kernel/qapplication.cpp:4396
#50 0x00007f0d9991baed in QApplication::notify (this=0x7fff7a94b060, receiver=0x28780c0, e=0x2196cf0) at kernel/qapplication.cpp:4277
#51 0x00007f0d9a6a5a36 in KApplication::notify (this=0x7fff7a94b060, receiver=0x28780c0, event=0x2196cf0) at ../../kdeui/kernel/kapplication.cpp:311
#52 0x00007f0d98f33cdc in QCoreApplication::notifyInternal (this=0x7fff7a94b060, receiver=0x28780c0, event=0x2196cf0) at kernel/qcoreapplication.cpp:732
#53 0x00007f0d98f36c22 in sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x1050380) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#54 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x1050380) at kernel/qcoreapplication.cpp:1373
#55 0x00007f0d98f60653 in sendPostedEvents (s=0x1087240) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#56 postEventSourceDispatch (s=0x1087240) at kernel/qeventdispatcher_glib.cpp:277
#57 0x00007f0d91e98342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#58 0x00007f0d91e9c2a8 in ?? () from /lib/libglib-2.0.so.0
#59 0x00007f0d91e9c45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#60 0x00007f0d98f60193 in QEventDispatcherGlib::processEvents (this=0x104fe90, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#61 0x00007f0d999c8a4e in QGuiEventDispatcherGlib::processEvents (this=0x3b94180, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#62 0x00007f0d98f32a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#63 0x00007f0d98f32dec in QEventLoop::exec (this=0x7fff7a94afa0, flags=) at kernel/qeventloop.cpp:201
#64 0x00007f0d98f36ebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#65 0x0000000000403b4e in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../kontact/src/main.cpp:224

Possible duplicates by query: bug 266511, bug 266053, bug 264527, bug 258115, bug 244777.

Reported using DrKonqi