Bug 243660

Application: akregator (1.6.5)
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.3
Operating System: Linux 2.6.32-23-generic i686
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
Akregator crashes when I start it. This last time I had time to click the "update" button before it went down. 

The crash can be reproduced every time.

 -- Backtrace:
Application: Akregator (akregator), signal: Segmentation fault
[Current thread is 1 (Thread 0xb770b730 (LWP 2278))]

Thread 2 (Thread 0xb2d74b70 (LWP 2282)):
#0  0x00970344 in __pthread_mutex_unlock_usercnt (mutex=0x97dee2c, decr=<value optimized out>) at pthread_mutex_unlock.c:52
#1  0x077a4be6 in pthread_mutex_unlock (mutex=0x97dee2c) at forward.c:184
#2  0x03ad7ab8 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#3  0x03ad7ee9 in ?? () from /lib/libglib-2.0.so.0
#4  0x03ad84b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x02cb6e6f in QEventDispatcherGlib::processEvents (this=0x9844d38, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#6  0x02c89759 in QEventLoop::processEvents (this=0xb2d74270, flags=) at kernel/qeventloop.cpp:149
#7  0x02c89baa in QEventLoop::exec (this=0xb2d74270, flags=...) at kernel/qeventloop.cpp:201
#8  0x02b8afc9 in QThread::exec (this=0x994c990) at thread/qthread.cpp:487
#9  0x02c691db in QInotifyFileSystemWatcherEngine::run (this=0x994c990) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x02b8d97e in QThreadPrivate::start (arg=0x994c990) at thread/qthread_unix.cpp:248
#11 0x0096c96e in start_thread (arg=0xb2d74b70) at pthread_create.c:300
#12 0x07797a4e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb770b730 (LWP 2278)):
[KCrash Handler]
#6  c4_Column::ColSize (this=0x9bf63f8, index_=71, off_=@0xbfd5c88c, col_=@0xbfd5c888) at ../../../../akregator/plugins/mk4storage/metakit/src/column.inl:40
#7  c4_FormatB::ItemLenOffCol (this=0x9bf63f8, index_=71, off_=@0xbfd5c88c, col_=@0xbfd5c888) at ../../../../akregator/plugins/mk4storage/metakit/src/format.cpp:341
#8  0x06097bcd in c4_FormatB::GetOne (this=0x9bf63f8, index_=71, length_=@0xbfd5c8ec) at ../../../../akregator/plugins/mk4storage/metakit/src/format.cpp:577
#9  0x06097c50 in c4_FormatS::Get (this=0x9bf63f8, index_=71, length_=@0xbfd5c8ec) at ../../../../akregator/plugins/mk4storage/metakit/src/format.cpp:842
#10 0x0609abd6 in c4_Handler::GetBytes (this=0x9bf63f8, index_=71, buf_=..., copySmall_=false) at ../../../../akregator/plugins/mk4storage/metakit/src/handler.cpp:53
#11 0x060a8f1b in c4_Sequence::Get (this=0x9bf59a0, index_=71, propId_=10, buf_=...) at ../../../../akregator/plugins/mk4storage/metakit/src/viewx.cpp:319
#12 0x060a5df8 in c4_Reference::GetData (this=0x9bf7724, row_=71, col_=0, buf_=...) at ../../../../akregator/plugins/mk4storage/metakit/include/mk4.inl:421
#13 c4_View::GetItem (this=0x9bf7724, row_=71, col_=0, buf_=...) at ../../../../akregator/plugins/mk4storage/metakit/src/view.cpp:225
#14 0x060a0aff in c4_HashViewer::KeySame (this=0x9bf7720, row_=71, cursor_=...) at ../../../../akregator/plugins/mk4storage/metakit/src/remap.cpp:157
#15 0x060a0d6a in c4_HashViewer::LookDict (this=0x9bf7720, hash_=1401595186, cursor_=...) at ../../../../akregator/plugins/mk4storage/metakit/src/remap.cpp:241
#16 0x060a1662 in c4_HashViewer::Lookup (this=0x9bf7720, key_=..., count_=@0xbfd5cacc) at ../../../../akregator/plugins/mk4storage/metakit/src/remap.cpp:344
#17 0x0608f361 in c4_CustomSeq::RestrictSearch (this=0x9bf7448, cursor_=..., pos_=@0xbfd5cb78, count_=@0xbfd5cb2c) at ../../../../akregator/plugins/mk4storage/metakit/src/custom.cpp:110
#18 0x060a6ffb in c4_View::Find (this=0x9bf7564, crit_=..., start_=0) at ../../../../akregator/plugins/mk4storage/metakit/src/view.cpp:830
#19 0x060aad39 in Akregator::Backend::FeedStorageMK4Impl::findArticle (this=0x9bf5958, guid=...) at ../../../../akregator/plugins/mk4storage/feedstoragemk4impl.cpp:298
#20 0x060ab4b8 in Akregator::Backend::FeedStorageMK4Impl::contains (this=0x9bf5958, guid=...) at ../../../../akregator/plugins/mk4storage/feedstoragemk4impl.cpp:291
#21 0x02a57298 in Private (this=0xa0567e0, article=..., feed_=0x9bf6f08, archive_=0x9bf5958) at ../../../akregator/src/article.cpp:171
#22 0x02a5846c in Article (this=0xbfd5cdd0, article=..., feed=0x9bf6f08) at ../../../akregator/src/article.cpp:245
#23 0x02a648d7 in Akregator::Feed::appendArticles (this=0x9bf6f08, feed=...) at ../../../akregator/src/feed.cpp:481
#24 0x02a6650c in Akregator::Feed::fetchCompleted (this=0x9bf6f08, l=0xa1b2888, doc=) at ../../../akregator/src/feed.cpp:676
#25 0x02a66cab in Akregator::Feed::qt_metacall (this=0x9bf6f08, _c=QMetaObject::InvokeMetaMethod, _id=11, _a=0xbfd5cfe0) at ./feed.moc:112
#26 0x02c9047a in QMetaObject::metacall (object=0x9bf6f08, cl=163537912, idx=22, argv=0xbfd5cfe0) at kernel/qmetaobject.cpp:237
#27 0x02c9efbb in QMetaObject::activate (sender=0xa1b2888, m=0x2e55974, local_signal_index=0, argv=0xbfd5cfe0) at kernel/qobject.cpp:3295
#28 0x02e315df in Syndication::Loader::loadingComplete (this=0xa1b2888, _t1=0xa1b2888, _t2=..., _t3=Syndication::Success) at ./loader.moc:91
#29 0x02e327e8 in Syndication::Loader::slotRetrieverDone (this=0xa1b2888, data=..., success=true) at ../../syndication/loader.cpp:157
#30 0x02e32c0c in Syndication::Loader::qt_metacall (this=0xa1b2888, _c=QMetaObject::InvokeMetaMethod, _id=-1, _a=0xbfd5d1a4) at ./loader.moc:79
#31 0x02c9047a in QMetaObject::metacall (object=0xa1b2888, cl=163537912, idx=5, argv=0xbfd5d1a4) at kernel/qmetaobject.cpp:237
#32 0x02c9efbb in QMetaObject::activate (sender=0xa1db2c8, m=0x2e55b58, local_signal_index=0, argv=0xbfd5d1a4) at kernel/qobject.cpp:3295
#33 0x02e34f9f in Syndication::DataRetriever::dataRetrieved (this=0xa1db2c8, _t1=..., _t2=true) at ./dataretriever.moc:85
#34 0x02e360b4 in Syndication::FileRetriever::slotResult (this=0xa1db2c8, job=0xa1db668) at ../../syndication/dataretriever.cpp:132
#35 0x02e361b7 in Syndication::FileRetriever::qt_metacall (this=0xa1db2c8, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfd5d318) at ./dataretriever.moc:213
#36 0x02c9047a in QMetaObject::metacall (object=0xa1db2c8, cl=163537912, idx=8, argv=0xbfd5d318) at kernel/qmetaobject.cpp:237
#37 0x02c9efbb in QMetaObject::activate (sender=0xa1db668, m=0x87fc88, local_signal_index=3, argv=0xbfd5d318) at kernel/qobject.cpp:3295
#38 0x007111e3 in KJob::result (this=0xa1db668, _t1=0xa1db668) at ./kjob.moc:194
#39 0x00711548 in KJob::emitResult (this=0xa1db668) at ../../kdecore/jobs/kjob.cpp:312
#40 0x08d63c60 in KIO::SimpleJob::slotFinished (this=0xa1db668) at ../../kio/kio/job.cpp:517
#41 0x08d646a0 in KIO::TransferJob::slotFinished (this=0xa1db668) at ../../kio/kio/job.cpp:1097
#42 0x08d61ac3 in KIO::TransferJob::qt_metacall (this=0xa1db668, _c=QMetaObject::InvokeMetaMethod, _id=47, _a=0xbfd5d5ac) at ./jobclasses.moc:367
#43 0x02c9047a in QMetaObject::metacall (object=0xa1db668, cl=163537912, idx=47, argv=0xbfd5d5ac) at kernel/qmetaobject.cpp:237
#44 0x02c9efbb in QMetaObject::activate (sender=0x9f1f6b0, m=0x8f12f44, local_signal_index=4, argv=0x0) at kernel/qobject.cpp:3295
#45 0x08e2e2a7 in KIO::SlaveInterface::finished (this=0x9f1f6b0) at ./slaveinterface.moc:171
#46 0x08e315cd in KIO::SlaveInterface::dispatch (this=0x9f1f6b0, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:175
#47 0x08e2e763 in KIO::SlaveInterface::dispatch (this=0x9f1f6b0) at ../../kio/kio/slaveinterface.cpp:91
#48 0x08e21c28 in KIO::Slave::gotInput (this=0x9f1f6b0) at ../../kio/kio/slave.cpp:324
#49 0x08e21e33 in KIO::Slave::qt_metacall (this=0x9f1f6b0, _c=QMetaObject::InvokeMetaMethod, _id=30, _a=0xbfd5d8bc) at ./slave.moc:82
#50 0x02c9047a in QMetaObject::metacall (object=0x9f1f6b0, cl=163537912, idx=30, argv=0xbfd5d8bc) at kernel/qmetaobject.cpp:237
#51 0x02c9efbb in QMetaObject::activate (sender=0x9f9c468, m=0x8f0f820, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3295
#52 0x08d2bbd7 in KIO::Connection::readyRead (this=0x9f9c468) at ./connection.moc:92
#53 0x08d2df8e in KIO::ConnectionPrivate::dequeue (this=0x9f8f8c0) at ../../kio/kio/connection.cpp:82
#54 0x08d2e0be in KIO::Connection::qt_metacall (this=0x9f9c468, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x9be9520) at ./connection.moc:79
#55 0x02c9047a in QMetaObject::metacall (object=0x9f9c468, cl=163537912, idx=5, argv=0x9be9520) at kernel/qmetaobject.cpp:237
#56 0x02c9ab46 in QMetaCallEvent::placeMetaCall (this=0xa171390, object=0x9f9c468) at kernel/qobject.cpp:561
#57 0x02c9bc0e in QObject::event (this=0x9f9c468, e=0xa171390) at kernel/qobject.cpp:1248
#58 0x00f8ce8c in QApplicationPrivate::notify_helper (this=0x960d370, receiver=0x9f9c468, e=0xa171390) at kernel/qapplication.cpp:4302
#59 0x00f93a0e in QApplication::notify (this=0xbfd5e1f4, receiver=0x9f9c468, e=0xa171390) at kernel/qapplication.cpp:3706
#60 0x00bc640a in KApplication::notify (this=0xbfd5e1f4, receiver=0x9f9c468, event=0xa171390) at ../../kdeui/kernel/kapplication.cpp:302
#61 0x02c8b13b in QCoreApplication::notifyInternal (this=0xbfd5e1f4, receiver=0x9f9c468, event=0xa171390) at kernel/qcoreapplication.cpp:726
#62 0x02c8ebfc in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x95e52e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#63 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x95e52e0) at kernel/qcoreapplication.cpp:1367
#64 0x02c8ed7d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1260
#65 0x02cb733f in QCoreApplication::sendPostedEvents (s=0x9606390) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#66 postEventSourceDispatch (s=0x9606390) at kernel/qeventdispatcher_glib.cpp:276
#67 0x03ad45e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#68 0x03ad82d8 in ?? () from /lib/libglib-2.0.so.0
#69 0x03ad84b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#70 0x02cb6e35 in QEventDispatcherGlib::processEvents (this=0x95e54c0, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#71 0x0104ce15 in QGuiEventDispatcherGlib::processEvents (this=0x95e54c0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#72 0x02c89759 in QEventLoop::processEvents (this=0xbfd5e174, flags=) at kernel/qeventloop.cpp:149
#73 0x02c89baa in QEventLoop::exec (this=0xbfd5e174, flags=...) at kernel/qeventloop.cpp:201
#74 0x02c8ee3f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#75 0x00f8cf27 in QApplication::exec () at kernel/qapplication.cpp:3581
#76 0x0804fa61 in main (argc=5, argv=0xbfd5e354) at ../../../akregator/src/main.cpp:103

This bug may be a duplicate of or related to bug 116482.

Possible duplicates by query: bug 238967, bug 237569.

Reported using DrKonqi