Application: kontact (4.4.10)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

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

Collecting feeds leads to crash.  Since months.
Can't find solution.

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f384766b7a0 (LWP 2792))]

Thread 4 (Thread 0x7f3824b99700 (LWP 2795)):
#0  0x00007f383e9bed9d in __pthread_mutex_unlock_usercnt (mutex=0x2e47a58) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x2e47a58) at pthread_mutex_unlock.c:290
#2  0x00007f383e4ee4f5 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f383e4ef00a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f383e4ef9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3825cc6c44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007f383e5163e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f383e9bad8c in start_thread (arg=0x7f3824b99700) at pthread_create.c:304
#8  0x00007f3844acf04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f381af79700 (LWP 2813)):
#0  0x00007f383e4ef643 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3845209446 in QEventDispatcherGlib::processEvents (this=0x46ed710, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#2  0x00007f38451dd882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#3  0x00007f38451ddabc in QEventLoop::exec (this=0x7f381af78db0, flags=...) at kernel/qeventloop.cpp:201
#4  0x00007f38450f4924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#5  0x00007f38451bfc2f in QInotifyFileSystemWatcherEngine::run (this=0x46ecbc0) at io/qfilesystemwatcher_inotify.cpp:248
#6  0x00007f38450f7175 in QThreadPrivate::start (arg=0x46ecbc0) at thread/qthread_unix.cpp:320
#7  0x00007f383e9bad8c in start_thread (arg=0x7f381af79700) at pthread_create.c:304
#8  0x00007f3844acf04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f382539a700 (LWP 22323)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x00007f38450f779e in wait (this=<value optimized out>, mutex=0x3a66e80, time=30000) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x3a66e80, time=30000) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f38450ec218 in QThreadPoolThread::run (this=0x3e151a0) at concurrent/qthreadpool.cpp:140
#4  0x00007f38450f7175 in QThreadPrivate::start (arg=0x3e151a0) at thread/qthread_unix.cpp:320
#5  0x00007f383e9bad8c in start_thread (arg=0x7f382539a700) at pthread_create.c:304
#6  0x00007f3844acf04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f384766b7a0 (LWP 2792)):
[KCrash Handler]
#6  memcpy () at ../sysdeps/x86_64/memcpy.S:161
#7  0x00007f381682cda3 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  0x00007f3816833c74 in c4_FormatB::GetOne (this=0x7f3822292f70, index_=<value optimized out>, length_=@0x7fff91df134c) at ../../../../akregator/plugins/mk4storage/metakit/src/format.cpp:583
#9  0x00007f3816833c99 in c4_FormatS::Get (this=<value optimized out>, index_=<value optimized out>, length_=@0x7fff91df134c) at ../../../../akregator/plugins/mk4storage/metakit/src/format.cpp:842
#10 0x00007f38168359a6 in c4_Handler::GetBytes (this=<value optimized out>, index_=<value optimized out>, buf_=..., copySmall_=false) at ../../../../akregator/plugins/mk4storage/metakit/src/handler.cpp:53
#11 0x00007f3816845192 in c4_Sequence::Get (this=0x7f3822291c70, index_=1129, propId_=<value optimized out>, buf_=...) at ../../../../akregator/plugins/mk4storage/metakit/src/viewx.cpp:319
#12 0x00007f381682e281 in DoGet (this=0x7f38222c2fd0, index_=1129, length_=@0x7fff91df13fc) at ../../../../akregator/plugins/mk4storage/metakit/src/custom.cpp:148
#13 c4_CustomHandler::Get (this=0x7f38222c2fd0, index_=1129, length_=@0x7fff91df13fc) at ../../../../akregator/plugins/mk4storage/metakit/src/custom.cpp:58
#14 0x00007f38168359a6 in c4_Handler::GetBytes (this=<value optimized out>, index_=<value optimized out>, buf_=..., copySmall_=false) at ../../../../akregator/plugins/mk4storage/metakit/src/handler.cpp:53
#15 0x00007f3816845888 in c4_Sequence::SetAt (this=0x6b0cc20, index_=0, newElem_=...) at ../../../../akregator/plugins/mk4storage/metakit/src/viewx.cpp:98
#16 0x00007f3816843a5e in c4_Row::operator= (this=0x7fff91df1610, rowRef_=<value optimized out>) at ../../../../akregator/plugins/mk4storage/metakit/src/view.cpp:1008
#17 0x00007f381684b816 in Akregator::Backend::FeedStorageMK4Impl::setStatus (this=0x7f3822291680, guid=<value optimized out>, status=33) at ../../../../akregator/plugins/mk4storage/feedstoragemk4impl.cpp:394
#18 0x00007f381715e331 in Akregator::Article::setStatus (this=0x6ae0540, stat=0) at ../../../akregator/src/article.cpp:367
#19 0x00007f381716d660 in Akregator::Feed::fetch (this=0x7f3822291650, followDiscovery=<value optimized out>) at ../../../akregator/src/feed.cpp:586
#20 0x00007f381717d72b in Akregator::FetchQueue::fetchNextFeed (this=0x6393ba0) at ../../../akregator/src/fetchqueue.cpp:91
#21 0x00007f381717d7a8 in Akregator::FetchQueue::feedDone (this=0x6393ba0, f=0x7f38223576d0) at ../../../akregator/src/fetchqueue.cpp:126
#22 0x00007f381717dc1c in Akregator::FetchQueue::qt_metacall (this=0x6393ba0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff91df17d0) at ./fetchqueue.moc:94
#23 0x00007f38451f35f8 in QMetaObject::activate (sender=0x7f38223576d0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff91df17d0) at kernel/qobject.cpp:3287
#24 0x00007f381716c242 in Akregator::Feed::fetched (this=<value optimized out>, _t1=0x7f38223576d0) at ./feed.moc:132
#25 0x00007f381716eb3e in Akregator::Feed::fetchCompleted (this=0x7f38223576d0, l=<value optimized out>, doc=<value optimized out>, status=<value optimized out>) at ../../../akregator/src/feed.cpp:680
#26 0x00007f381716eeed in Akregator::Feed::qt_metacall (this=0x7f38223576d0, _c=QMetaObject::InvokeMetaMethod, _id=11, _a=0x7fff91df1a70) at ./feed.moc:112
#27 0x00007f38451f35f8 in QMetaObject::activate (sender=0x59b6470, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff91df1a70) at kernel/qobject.cpp:3287
#28 0x00007f3816ade192 in Syndication::Loader::loadingComplete (this=<value optimized out>, _t1=0x59b6470, _t2=<value optimized out>, _t3=Syndication::Success) at ./loader.moc:91
#29 0x00007f3816adec7f in Syndication::Loader::slotRetrieverDone (this=0x59b6470, data=..., success=<value optimized out>) at ../../syndication/loader.cpp:157
#30 0x00007f3816adf09d in Syndication::Loader::qt_metacall (this=0x59b6470, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fff91df1c30) at ./loader.moc:79
#31 0x00007f38451f35f8 in QMetaObject::activate (sender=0x4302f40, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff91df1c30) at kernel/qobject.cpp:3287
#32 0x00007f3816ae16f3 in Syndication::DataRetriever::dataRetrieved (this=<value optimized out>, _t1=<value optimized out>, _t2=true) at ./dataretriever.moc:85
#33 0x00007f3816ae1930 in Syndication::FileRetriever::slotResult (this=0x4302f40, job=0x4516ca0) at ../../syndication/dataretriever.cpp:132
#34 0x00007f3816ae1ae3 in Syndication::FileRetriever::qt_metacall (this=0x4302f40, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff91df1d90) at ./dataretriever.moc:213
#35 0x00007f38451f35f8 in QMetaObject::activate (sender=0x4516ca0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff91df1d90) at kernel/qobject.cpp:3287
#36 0x00007f384564ad32 in KJob::result (this=<value optimized out>, _t1=0x4516ca0) at ./kjob.moc:194
#37 0x00007f384564ad70 in KJob::emitResult (this=0x4516ca0) at ../../kdecore/jobs/kjob.cpp:312
#38 0x00007f38435f0c9b in KIO::SimpleJob::slotFinished (this=0x4516ca0) at ../../kio/kio/job.cpp:525
#39 0x00007f38435f6122 in KIO::TransferJob::slotFinished (this=0x4516ca0) at ../../kio/kio/job.cpp:1118
#40 0x00007f38435fa421 in KIO::TransferJob::qt_metacall (this=0x4516ca0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff91df2190) at ./jobclasses.moc:367
#41 0x00007f38451f35f8 in QMetaObject::activate (sender=0x36dc320, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3287
#42 0x00007f3843697531 in KIO::SlaveInterface::dispatch (this=<value optimized out>, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:173
#43 0x00007f38436944b5 in KIO::SlaveInterface::dispatch (this=0x36dc320) at ../../kio/kio/slaveinterface.cpp:89
#44 0x00007f3843687e8e in KIO::Slave::gotInput (this=0x36dc320) at ../../kio/kio/slave.cpp:348
#45 0x00007f38436884dc in KIO::Slave::qt_metacall (this=0x36dc320, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff91df25a0) at ./slave.moc:82
#46 0x00007f38451f35f8 in QMetaObject::activate (sender=0x7f3822204f50, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3287
#47 0x00007f38435c1ff7 in KIO::ConnectionPrivate::dequeue (this=0x7f3820213e30) at ../../kio/kio/connection.cpp:82
#48 0x00007f38435c209d in KIO::Connection::qt_metacall (this=0x7f3822204f50, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x6738800) at ./connection.moc:79
#49 0x00007f38451f249a in QObject::event (this=0x7f3822204f50, e=<value optimized out>) at kernel/qobject.cpp:1226
#50 0x00007f3845b9d9e4 in QApplicationPrivate::notify_helper (this=0x25279c0, receiver=0x7f3822204f50, e=0x650e920) at kernel/qapplication.cpp:4462
#51 0x00007f3845ba23aa in QApplication::notify (this=<value optimized out>, receiver=0x7f3822204f50, e=0x650e920) at kernel/qapplication.cpp:4341
#52 0x00007f38468bc866 in KApplication::notify (this=0x7fff91df2ff0, receiver=0x7f3822204f50, event=0x650e920) at ../../kdeui/kernel/kapplication.cpp:311
#53 0x00007f38451de49c in QCoreApplication::notifyInternal (this=0x7fff91df2ff0, receiver=0x7f3822204f50, event=0x650e920) at kernel/qcoreapplication.cpp:731
#54 0x00007f38451e1c25 in sendEvent (receiver=0x0, event_type=0, data=0x24cdb90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#55 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x24cdb90) at kernel/qcoreapplication.cpp:1372
#56 0x00007f3845209253 in sendPostedEvents (s=0x25301c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#57 postEventSourceDispatch (s=0x25301c0) at kernel/qeventdispatcher_glib.cpp:277
#58 0x00007f383e4eebcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#59 0x00007f383e4ef3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#60 0x00007f383e4ef639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#61 0x00007f38452093ef in QEventDispatcherGlib::processEvents (this=0x24cd370, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#62 0x00007f3845c44dfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#63 0x00007f38451dd882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#64 0x00007f38451ddabc in QEventLoop::exec (this=0x7fff91df2f80, flags=...) at kernel/qeventloop.cpp:201
#65 0x00007f38451e1ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#66 0x0000000000403f70 in main (argc=1, argv=<value optimized out>) at ../../../kontact/src/main.cpp:226

This bug may be a duplicate of or related to bug 270645.

Possible duplicates by query: bug 271727, bug 270645, bug 269138, bug 267620, bug 266511.

Reported using DrKonqi