-- Information about the crash:
- What I was doing when the application crashed:
I tried to organize Kmail: Imoved several folders in my imap-account
- Custom settings of the application:
mix of several mail offices pop/imap


Reproducible: Sometimes

Steps to Reproduce:
1. go to an imap office
2.select a folder
3.move it as subfolder
do it twice
Actual Results:  
crash

Expected Results:  
moved

Application: kontact (4.8.5)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-58-generic x86_64
Distribution: Ubuntu 12.04.4 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I tried to organize Kmail: Imoved several folders in my imap-account
- Custom settings of the application:
mix of several mail offices pop/imap

The crash can be reproduced some of the time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fcc448b37c0 (LWP 3124))]

Thread 5 (Thread 0x7fcc26cf4700 (LWP 3125)):
#0  0x00007fcc41dd4a43 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fcc3c09eff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcc3c09f45a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcc26cf998b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007fcc3c0c09b5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fcc3c56be9a in start_thread (arg=0x7fcc26cf4700) at pthread_create.c:308
#6  0x00007fcc41de03fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fcc260e8700 (LWP 3126)):
#0  0x00007fcc41dd4a43 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fcc3c09eff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcc3c09f45a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcc2ca915e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fcc3c0c09b5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fcc3c56be9a in start_thread (arg=0x7fcc260e8700) at pthread_create.c:308
#6  0x00007fcc41de03fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fcc11a97700 (LWP 3128)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fcc410acdec in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fcc410acf19 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fcc3c56be9a in start_thread (arg=0x7fcc11a97700) at pthread_create.c:308
#4  0x00007fcc41de03fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fcc1117e700 (LWP 3129)):
#0  0x00007fcc41dd4a43 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fcc3c09eff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcc3c09f124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcc42556426 in QEventDispatcherGlib::processEvents (this=0x7fcc0c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fcc42525c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fcc42525ed7 in QEventLoop::exec (this=0x7fcc1117ddc0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fcc42424fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fcc42427fcb in QThreadPrivate::start (arg=0x2521a50) at thread/qthread_unix.cpp:298
#8  0x00007fcc3c56be9a in start_thread (arg=0x7fcc1117e700) at pthread_create.c:308
#9  0x00007fcc41de03fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fcc448b37c0 (LWP 3124)):
[KCrash Handler]
#6  QModelIndex (other=..., this=0x7fff462bbdd0) at ../../include/QtCore/../../src/corelib/kernel/qabstractitemmodel.h:65
#7  QSortFilterProxyModel::parent (this=0x284e4e0, child=...) at itemviews/qsortfilterproxymodel.cpp:1659
#8  0x00007fcc43c160fa in parent (this=0x7fff462bbe20) at /usr/include/qt4/QtCore/qabstractitemmodel.h:393
#9  KIdentityProxyModel::parent (this=0x29218f0, child=...) at ../../kdeui/itemviews/kidentityproxymodel.cpp:359
#10 0x00007fcc3f43a3d9 in parent (this=0x7fff462bbe80) at /usr/include/qt4/QtCore/qabstractitemmodel.h:393
#11 KPIM::StatisticsProxyModel::parent (this=0x2a365a0, child=...) at ../../libkdepim/statisticsproxymodel.cpp:346
#12 0x00007fcc3f43b952 in sibling (acolumn=1, arow=0, this=0x2bd47e0) at /usr/include/qt4/QtCore/qabstractitemmodel.h:396
#13 KPIM::StatisticsProxyModel::Private::sourceLayoutAboutToBeChanged (this=0x2a356c0) at ../../libkdepim/statisticsproxymodel.cpp:217
#14 0x00007fcc4253b281 in QMetaObject::activate (sender=0x2a365a0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#15 0x00007fcc43c175ac in KIdentityProxyModelPrivate::_k_sourceLayoutAboutToBeChanged (this=0x287e650) at ../../kdeui/itemviews/kidentityproxymodel.cpp:589
#16 0x00007fcc4253b281 in QMetaObject::activate (sender=0x29218f0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#17 0x00007fcc43c175ac in KIdentityProxyModelPrivate::_k_sourceLayoutAboutToBeChanged (this=0x28da100) at ../../kdeui/itemviews/kidentityproxymodel.cpp:589
#18 0x00007fcc4253b281 in QMetaObject::activate (sender=0x284e4e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#19 0x00007fcc434cffa1 in QSortFilterProxyModelPrivate::_q_sourceLayoutAboutToBeChanged (this=<optimized out>) at itemviews/qsortfilterproxymodel.cpp:1240
#20 0x00007fcc4253b281 in QMetaObject::activate (sender=0x28ff4a0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#21 0x00007fcc42520bcc in QAbstractItemModel::beginMoveRows (this=0x28ff4a0, sourceParent=..., sourceFirst=2, sourceLast=2, destinationParent=..., destinationChild=0) at kernel/qabstractitemmodel.cpp:2635
#22 0x00007fcc3e930b0e in Akonadi::EntityTreeModelPrivate::monitoredCollectionMoved (this=0x29a7b40, collection=..., sourceCollection=..., destCollection=...) at ../../akonadi/entitytreemodel_p.cpp:917
#23 0x00007fcc4253b281 in QMetaObject::activate (sender=0x294ffe0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff462bc930) at kernel/qobject.cpp:3547
#24 0x00007fcc3e967c4f in Akonadi::Monitor::collectionMoved (this=<optimized out>, _t1=..., _t2=..., _t3=...) at ./monitor.moc:252
#25 0x00007fcc3e96b98b in Akonadi::MonitorPrivate::emitCollectionNotification (this=0x29502d0, msg=..., col=..., par=..., dest=...) at ../../akonadi/monitor_p.cpp:612
#26 0x00007fcc3e96d62a in Akonadi::MonitorPrivate::emitNotification (this=0x29502d0, msg=...) at ../../akonadi/monitor_p.cpp:285
#27 0x00007fcc3e8cbb31 in Akonadi::ChangeRecorderPrivate::emitNotification (this=0x29502d0, msg=...) at ../../akonadi/changerecorder_p.h:60
#28 0x00007fcc3e96d356 in Akonadi::MonitorPrivate::flushPipeline (this=0x29502d0) at ../../akonadi/monitor_p.cpp:429
#29 0x00007fcc3e96d829 in Akonadi::MonitorPrivate::dataAvailable (this=0x29502d0) at ../../akonadi/monitor_p.cpp:438
#30 0x00007fcc4253b281 in QMetaObject::activate (sender=0x2722900, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#31 0x00007fcc3e8d245d in Akonadi::EntityCache<Akonadi::Collection, Akonadi::CollectionFetchJob, Akonadi::CollectionFetchScope>::processResult (this=0x2722900, job=<optimized out>) at ../../akonadi/entitycache_p.h:192
#32 0x00007fcc4253b281 in QMetaObject::activate (sender=0x389e4f0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff462bcff0) at kernel/qobject.cpp:3547
#33 0x00007fcc429b1152 in KJob::result (this=<optimized out>, _t1=0x389e4f0) at ./kjob.moc:208
#34 0x00007fcc429b1190 in KJob::emitResult (this=0x389e4f0) at ../../kdecore/jobs/kjob.cpp:318
#35 0x00007fcc42540446 in QObject::event (this=0x389e4f0, e=<optimized out>) at kernel/qobject.cpp:1195
#36 0x00007fcc42f20894 in notify_helper (e=0x3158540, receiver=0x389e4f0, this=0x21f5940) at kernel/qapplication.cpp:4559
#37 QApplicationPrivate::notify_helper (this=0x21f5940, receiver=0x389e4f0, e=0x3158540) at kernel/qapplication.cpp:4531
#38 0x00007fcc42f25713 in QApplication::notify (this=0x7fff462bd980, receiver=0x389e4f0, e=0x3158540) at kernel/qapplication.cpp:4420
#39 0x00007fcc43c5a3f6 in KApplication::notify (this=0x7fff462bd980, receiver=0x389e4f0, event=0x3158540) at ../../kdeui/kernel/kapplication.cpp:311
#40 0x00007fcc42526e9c in QCoreApplication::notifyInternal (this=0x7fff462bd980, receiver=0x389e4f0, event=0x3158540) at kernel/qcoreapplication.cpp:876
#41 0x00007fcc4252ac6a in sendEvent (event=0x3158540, receiver=0x389e4f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x21be380) at kernel/qcoreapplication.cpp:1500
#43 0x00007fcc42555f93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#44 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#45 0x00007fcc3c09ed13 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007fcc3c09f060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007fcc3c09f124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007fcc425563bf in QEventDispatcherGlib::processEvents (this=0x21bfc10, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#49 0x00007fcc42fc8d9e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007fcc42525c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#51 0x00007fcc42525ed7 in QEventLoop::exec (this=0x7fff462bd910, flags=...) at kernel/qeventloop.cpp:204
#52 0x00007fcc4252af67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#53 0x0000000000403629 in main (argc=1, argv=0x7fff462bdfa8) at ../../../kontact/src/main.cpp:218

Possible duplicates by query: bug 318563, bug 317816.