Application: kmail (4.7.2)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

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

Switch to next unread folder by pressing + key

I get this error only sometimes (several times each day) but mot times
it wroks fine.

The crash can be reproduced some of the time.

-- Backtrace:
Application: KMail (kmail), signal: Aborted
[Current thread is 1 (Thread 0x7fe2dd2837a0 (LWP 30097))]

Thread 4 (Thread 0x7fe2be1cd700 (LWP 30101)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe2cf55ec2c in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fe2cf55ed59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fe2d81a9efc in start_thread (arg=0x7fe2be1cd700) at pthread_create.c:304
#4  0x00007fe2da60389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fe2bd8cc700 (LWP 30102)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007fe2da5a09df in _L_lock_10501 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fe2da59ed71 in __GI___libc_free (mem=0x7fe2da8bc1c0) at malloc.c:3736
#3  0x00007fe2daf76c63 in QTimerInfoList::unregisterTimer (this=0x2fbce00, timerId=2080374801) at kernel/qeventdispatcher_unix.cpp:499
#4  0x00007fe2daf65d51 in stop (this=0x2fda810) at kernel/qtimer.cpp:257
#5  QTimer::stop (this=0x2fda810) at kernel/qtimer.cpp:254
#6  0x00007fe2daf65e55 in QTimer::timerEvent (this=0x2fda810, e=<optimized out>) at kernel/qtimer.cpp:270
#7  0x00007fe2daf61789 in QObject::event (this=0x2fda810, e=<optimized out>) at kernel/qobject.cpp:1181
#8  0x00007fe2db47b424 in notify_helper (e=0x7fe2bd8cbb80, receiver=0x2fda810, this=0x24bdee0) at kernel/qapplication.cpp:4486
#9  QApplicationPrivate::notify_helper (this=0x24bdee0, receiver=0x2fda810, e=0x7fe2bd8cbb80) at kernel/qapplication.cpp:4458
#10 0x00007fe2db480291 in QApplication::notify (this=0x7fffb2c721f0, receiver=0x2fda810, e=0x7fe2bd8cbb80) at kernel/qapplication.cpp:4365
#11 0x00007fe2dcc9c126 in KApplication::notify (this=0x7fffb2c721f0, receiver=0x2fda810, event=0x7fe2bd8cbb80) at ../../kdeui/kernel/kapplication.cpp:311
#12 0x00007fe2daf4aafc in QCoreApplication::notifyInternal (this=0x7fffb2c721f0, receiver=0x2fda810, event=0x7fe2bd8cbb80) at kernel/qcoreapplication.cpp:787
#13 0x00007fe2daf77d62 in sendEvent (event=0x7fe2bd8cbb80, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#14 QTimerInfoList::activateTimers (this=0x2fbce00) at kernel/qeventdispatcher_unix.cpp:603
#15 0x00007fe2daf75538 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#16 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#17 0x00007fe2d304ca5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007fe2d304d258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fe2d304d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fe2daf75ed6 in QEventDispatcherGlib::processEvents (this=0x2fbcfb0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#21 0x00007fe2daf49cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#22 0x00007fe2daf49ef7 in QEventLoop::exec (this=0x7fe2bd8cbde0, flags=...) at kernel/qeventloop.cpp:201
#23 0x00007fe2dae6127f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#24 0x00007fe2dae63d05 in QThreadPrivate::start (arg=0x2fbc0c0) at thread/qthread_unix.cpp:331
#25 0x00007fe2d81a9efc in start_thread (arg=0x7fe2bd8cc700) at pthread_create.c:304
#26 0x00007fe2da60389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#27 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe273588700 (LWP 30157)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007fe2da5a09df in _L_lock_10501 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fe2da59ed71 in __GI___libc_free (mem=0x7fe2da8bc1c0) at malloc.c:3736
#3  0x00007fe2daf75665 in socketNotifierSourceCheck (source=0x36aa3b0) at kernel/qeventdispatcher_glib.cpp:92
#4  0x00007fe2d304c734 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe2d304cf82 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fe2d304d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fe2daf75ed6 in QEventDispatcherGlib::processEvents (this=0x2fa7020, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#8  0x00007fe2daf49cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007fe2daf49ef7 in QEventLoop::exec (this=0x7fe273587db0, flags=...) at kernel/qeventloop.cpp:201
#10 0x00007fe2dae6127f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#11 0x00007fe2daf2ccbf in QInotifyFileSystemWatcherEngine::run (this=0x36a9480) at io/qfilesystemwatcher_inotify.cpp:248
#12 0x00007fe2dae63d05 in QThreadPrivate::start (arg=0x36a9480) at thread/qthread_unix.cpp:331
#13 0x00007fe2d81a9efc in start_thread (arg=0x7fe273588700) at pthread_create.c:304
#14 0x00007fe2da60389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe2dd2837a0 (LWP 30097)):
[KCrash Handler]
#6  0x00007fe2da5583a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007fe2da55bb0b in __GI_abort () at abort.c:92
#8  0x00007fe2da590113 in __libc_message (do_abort=2, fmt=0x7fe2da6810d8 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007fe2da59aa96 in malloc_printerr (action=3, str=0x7fe2da681210 "double free or corruption (fasttop)", ptr=<optimized out>) at malloc.c:6283
#10 0x00007fe2da59ed7c in __GI___libc_free (mem=<optimized out>) at malloc.c:3738
#11 0x00007fe2d72e2438 in Akonadi::EntityTreeModelPrivate::removeItems (this=<optimized out>, it=..., end=<optimized out>, pos=0x7fffb2c6e3fc, collection=...) at ../../akonadi/entitytreemodel_p.cpp:1497
#12 0x00007fe2d72e2585 in Akonadi::EntityTreeModelPrivate::purgeItems (this=0x25dab00, id=269) at ../../akonadi/entitytreemodel_p.cpp:1517
#13 0x00007fe2d72dc790 in Akonadi::EntityTreeModel::setData (this=0x2bc1580, index=..., value=..., role=53) at ../../akonadi/entitytreemodel.cpp:729
#14 0x00007fe2dba08f1d in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=53) at itemviews/qsortfilterproxymodel.cpp:1728
#15 0x00007fe2dba08f1d in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=53) at itemviews/qsortfilterproxymodel.cpp:1728
#16 0x00007fe2dba08f1d in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=53) at itemviews/qsortfilterproxymodel.cpp:1728
#17 0x00007fe2dba07f59 in QAbstractProxyModel::setData (this=<optimized out>, index=<optimized out>, value=..., role=53) at itemviews/qabstractproxymodel.cpp:267
#18 0x00007fe2dba08f1d in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=53) at itemviews/qsortfilterproxymodel.cpp:1728
#19 0x00007fe2dba08f1d in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=53) at itemviews/qsortfilterproxymodel.cpp:1728
#20 0x00007fe2dba08f1d in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=53) at itemviews/qsortfilterproxymodel.cpp:1728
#21 0x00007fe2d73466e4 in rootIndexAboutToBeRemoved (removedRootIndex=..., this=<optimized out>) at ../../akonadi/selectionproxymodel.cpp:59
#22 Akonadi::SelectionProxyModel::qt_metacall (this=0x3050b70, _c=<optimized out>, _id=1, _a=0x7fffb2c6e960) at ./selectionproxymodel.moc:76
#23 0x00007fe2d72f539a in Akonadi::FavoriteCollectionsModel::qt_metacall (this=0x3050b70, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c6e960) at ./favoritecollectionsmodel.moc:81
#24 0x00007fe2daf5deba in QMetaObject::activate (sender=0x3050b70, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb2c6e960) at kernel/qobject.cpp:3278
#25 0x00007fe2dcc7ee22 in KSelectionProxyModel::rootIndexAboutToBeRemoved (this=<optimized out>, _t1=<optimized out>) at ./moc_kselectionproxymodel.cpp:147
#26 0x00007fe2dcc81a7a in KSelectionProxyModelPrivate::sourceLayoutAboutToBeChanged (this=0x30486e0) at ../../kdeui/itemviews/kselectionproxymodel.cpp:726
#27 0x00007fe2dcc8b86e in KSelectionProxyModel::qt_metacall (this=0x3050b70, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c6ec40) at ./moc_kselectionproxymodel.cpp:131
#28 0x00007fe2d73465f5 in Akonadi::SelectionProxyModel::qt_metacall (this=0x3050b70, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c6ec40) at ./selectionproxymodel.moc:70
#29 0x00007fe2d72f539a in Akonadi::FavoriteCollectionsModel::qt_metacall (this=0x3050b70, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c6ec40) at ./favoritecollectionsmodel.moc:81
#30 0x00007fe2daf5deba in QMetaObject::activate (sender=0x2dd2060, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#31 0x00007fe2dba1008a in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x2dbf810, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1157
#32 0x00007fe2dba1159b in QSortFilterProxyModel::qt_metacall (this=0x2dd2060, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fffb2c6ef50) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:130
#33 0x00007fe2d64f8868 in MailCommon::EntityCollectionOrderProxyModel::qt_metacall (this=0x2dd2060, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=<optimized out>) at ./entitycollectionorderproxymodel.moc:70
#34 0x00007fe2daf5deba in QMetaObject::activate (sender=0x2dc2c70, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb2c6ef50) at kernel/qobject.cpp:3278
#35 0x00007fe2dafa6797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#36 0x00007fe2dba0fc1f in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x2e13980, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1191
#37 0x00007fe2dba1159b in QSortFilterProxyModel::qt_metacall (this=0x2dc2c70, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fffb2c6f230) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:130
#38 0x00007fe2dcc5bb90 in KRecursiveFilterProxyModel::qt_metacall (this=0x2dc2c70, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c6f230) at ./krecursivefilterproxymodel.moc:78
#39 0x00007fe2daf524ae in QMetaMethod::invoke (this=0x7fffb2c6f410, object=0x2dc2c70, connectionType=Qt::DirectConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1597
#40 0x00007fe2daf54690 in QMetaObject::invokeMethod (obj=0x2dc2c70, member=<optimized out>, type=Qt::DirectConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1151
#41 0x00007fe2dcc5ae9b in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., type=Qt::DirectConnection, member=0x7fe2dce0d6f3 "_q_sourceDataChanged", obj=0x2dc2c70) at /usr/include/qt4/QtCore/qobjectdefs.h:410
#42 invokeDataChanged (bottomRight=..., topLeft=..., this=<optimized out>) at ../../kdeui/itemviews/krecursivefilterproxymodel.cpp:55
#43 KRecursiveFilterProxyModelPrivate::sourceDataChanged (this=0x2dbf020, source_top_left=..., source_bottom_right=...) at ../../kdeui/itemviews/krecursivefilterproxymodel.cpp:131
#44 0x00007fe2dcc5bc86 in KRecursiveFilterProxyModel::qt_metacall (this=0x2dc2c70, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c6f920) at ./krecursivefilterproxymodel.moc:83
#45 0x00007fe2daf5deba in QMetaObject::activate (sender=0x2dca080, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb2c6f920) at kernel/qobject.cpp:3278
#46 0x00007fe2dafa6797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#47 0x00007fe2dba0fc1f in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x2dca0b0, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1191
#48 0x00007fe2dba1159b in QSortFilterProxyModel::qt_metacall (this=0x2dca080, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fffb2c6fc00) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:130
#49 0x00007fe2dcc5bb90 in KRecursiveFilterProxyModel::qt_metacall (this=0x2dca080, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c6fc00) at ./krecursivefilterproxymodel.moc:78
#50 0x00007fe2daf524ae in QMetaMethod::invoke (this=0x7fffb2c6fde0, object=0x2dca080, connectionType=Qt::DirectConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1597
#51 0x00007fe2daf54690 in QMetaObject::invokeMethod (obj=0x2dca080, member=<optimized out>, type=Qt::DirectConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1151
#52 0x00007fe2dcc5ae9b in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., type=Qt::DirectConnection, member=0x7fe2dce0d6f3 "_q_sourceDataChanged", obj=0x2dca080) at /usr/include/qt4/QtCore/qobjectdefs.h:410
#53 invokeDataChanged (bottomRight=..., topLeft=..., this=<optimized out>) at ../../kdeui/itemviews/krecursivefilterproxymodel.cpp:55
#54 KRecursiveFilterProxyModelPrivate::sourceDataChanged (this=0x2e13e90, source_top_left=..., source_bottom_right=...) at ../../kdeui/itemviews/krecursivefilterproxymodel.cpp:131
#55 0x00007fe2dcc5bc86 in KRecursiveFilterProxyModel::qt_metacall (this=0x2dca080, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c702f0) at ./krecursivefilterproxymodel.moc:83
#56 0x00007fe2daf5deba in QMetaObject::activate (sender=0x2ddbe60, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb2c702f0) at kernel/qobject.cpp:3278
#57 0x00007fe2dafa6797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#58 0x00007fe2dcc589a7 in KIdentityProxyModelPrivate::_k_sourceDataChanged (this=<optimized out>, topLeft=..., bottomRight=<optimized out>) at ../../kdeui/itemviews/kidentityproxymodel.cpp:572
#59 0x00007fe2dcc59c76 in KIdentityProxyModel::qt_metacall (this=0x2ddbe60, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c70460) at ./kidentityproxymodel.moc:128
#60 0x00007fe2daf5deba in QMetaObject::activate (sender=0x2de4b10, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb2c70460) at kernel/qobject.cpp:3278
#61 0x00007fe2dafa6797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#62 0x00007fe2d7376662 in Akonadi::StatisticsProxyModel::Private::proxyDataChanged (this=0x2dbfcb0, topLeft=..., bottomRight=...) at ../../akonadi/statisticsproxymodel.cpp:183
#63 0x00007fe2d73773bd in Akonadi::StatisticsProxyModel::qt_metacall (this=0x2de4b10, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c706b0) at ./statisticsproxymodel.moc:77
#64 0x00007fe2daf5deba in QMetaObject::activate (sender=0x2de4b10, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb2c706b0) at kernel/qobject.cpp:3278
#65 0x00007fe2dafa6797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#66 0x00007fe2dba0fc1f in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x2e0aaa0, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1191
#67 0x00007fe2dba1159b in QSortFilterProxyModel::qt_metacall (this=0x2de4b10, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fffb2c70980) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:130
#68 0x00007fe2d7377390 in Akonadi::StatisticsProxyModel::qt_metacall (this=0x2de4b10, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c70980) at ./statisticsproxymodel.moc:72
#69 0x00007fe2daf5deba in QMetaObject::activate (sender=0x2dbb900, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb2c70980) at kernel/qobject.cpp:3278
#70 0x00007fe2dafa6797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#71 0x00007fe2dba0fc1f in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x2dda2e0, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1191
#72 0x00007fe2dba1159b in QSortFilterProxyModel::qt_metacall (this=0x2dbb900, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fffb2c70c60) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:130
#73 0x00007fe2dcc5bb90 in KRecursiveFilterProxyModel::qt_metacall (this=0x2dbb900, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c70c60) at ./krecursivefilterproxymodel.moc:78
#74 0x00007fe2daf524ae in QMetaMethod::invoke (this=0x7fffb2c70e40, object=0x2dbb900, connectionType=Qt::DirectConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1597
#75 0x00007fe2daf54690 in QMetaObject::invokeMethod (obj=0x2dbb900, member=<optimized out>, type=Qt::DirectConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1151
#76 0x00007fe2dcc5ae9b in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., type=Qt::DirectConnection, member=0x7fe2dce0d6f3 "_q_sourceDataChanged", obj=0x2dbb900) at /usr/include/qt4/QtCore/qobjectdefs.h:410
#77 invokeDataChanged (bottomRight=..., topLeft=..., this=<optimized out>) at ../../kdeui/itemviews/krecursivefilterproxymodel.cpp:55
#78 KRecursiveFilterProxyModelPrivate::sourceDataChanged (this=0x25ccfe0, source_top_left=..., source_bottom_right=...) at ../../kdeui/itemviews/krecursivefilterproxymodel.cpp:131
#79 0x00007fe2dcc5bc86 in KRecursiveFilterProxyModel::qt_metacall (this=0x2dbb900, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c71350) at ./krecursivefilterproxymodel.moc:83
#80 0x00007fe2daf5deba in QMetaObject::activate (sender=0x2b6a530, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb2c71350) at kernel/qobject.cpp:3278
#81 0x00007fe2dafa6797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#82 0x00007fe2dba0fc1f in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x25dc0a0, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1191
#83 0x00007fe2dba1159b in QSortFilterProxyModel::qt_metacall (this=0x2b6a530, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fffb2c715f0) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:130
#84 0x00007fe2daf5deba in QMetaObject::activate (sender=0x2bc1580, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb2c715f0) at kernel/qobject.cpp:3278
#85 0x00007fe2dafa6797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#86 0x00007fe2d72e02c2 in Akonadi::EntityTreeModelPrivate::dataChanged (this=<optimized out>, top=..., bottom=...) at ../../akonadi/entitytreemodel_p.cpp:1536
#87 0x00007fe2d72e196c in Akonadi::EntityTreeModelPrivate::fetchJobDone (this=0x25dab00, job=0x67e93c0) at ../../akonadi/entitytreemodel_p.cpp:1208
#88 0x00007fe2d72d772b in Akonadi::EntityTreeModel::qt_metacall (this=0x2bc1580, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2c718b0) at ./entitytreemodel.moc:145
#89 0x00007fe2daf5deba in QMetaObject::activate (sender=0x67e93c0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb2c718b0) at kernel/qobject.cpp:3278
#90 0x00007fe2dc6cc5b2 in KJob::result (this=<optimized out>, _t1=0x67e93c0) at ./kjob.moc:194
#91 0x00007fe2dc6cc5f0 in KJob::emitResult (this=0x67e93c0) at ../../kdecore/jobs/kjob.cpp:312
#92 0x00007fe2d731df4d in Akonadi::Job::qt_metacall (this=0x67e93c0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x6a4e740) at ./job.moc:91
#93 0x00007fe2d730b745 in Akonadi::ItemFetchJob::qt_metacall (this=0x67e93c0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x6a4e740) at ./itemfetchjob.moc:73
#94 0x00007fe2daf61a5e in QObject::event (this=0x67e93c0, e=<optimized out>) at kernel/qobject.cpp:1217
#95 0x00007fe2db47b424 in notify_helper (e=0x73379c0, receiver=0x67e93c0, this=0x24bdee0) at kernel/qapplication.cpp:4486
#96 QApplicationPrivate::notify_helper (this=0x24bdee0, receiver=0x67e93c0, e=0x73379c0) at kernel/qapplication.cpp:4458
#97 0x00007fe2db480291 in QApplication::notify (this=0x7fffb2c721f0, receiver=0x67e93c0, e=0x73379c0) at kernel/qapplication.cpp:4365
#98 0x00007fe2dcc9c126 in KApplication::notify (this=0x7fffb2c721f0, receiver=0x67e93c0, event=0x73379c0) at ../../kdeui/kernel/kapplication.cpp:311
#99 0x00007fe2daf4aafc in QCoreApplication::notifyInternal (this=0x7fffb2c721f0, receiver=0x67e93c0, event=0x73379c0) at kernel/qcoreapplication.cpp:787
#100 0x00007fe2daf4e51f in sendEvent (event=0x73379c0, receiver=0x67e93c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#101 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x246b460) at kernel/qcoreapplication.cpp:1428
#102 0x00007fe2daf75a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#103 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#104 0x00007fe2d304ca5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#105 0x00007fe2d304d258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#106 0x00007fe2d304d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#107 0x00007fe2daf75ed6 in QEventDispatcherGlib::processEvents (this=0x24a46d0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#108 0x00007fe2db52307e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#109 0x00007fe2daf49cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#110 0x00007fe2daf49ef7 in QEventLoop::exec (this=0x7fffb2c720c0, flags=...) at kernel/qeventloop.cpp:201
#111 0x00007fe2daf4e789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#112 0x0000000000402bd3 in main (argc=<optimized out>, argv=<optimized out>) at ../../kmail/main.cpp:145

Possible duplicates by query: bug 275298, bug 257248, bug 257160, bug 250470, bug 250441.

Reported using DrKonqi