Akonadi chrashes when looking for new mails with kmail5.
Mails which have allready been download are retrieved again.
This is happening since three days when I tryed to install Simon which requested for an older akonadi version

Bug info below:

Application: akonadi_pop3_resource (4.89.0)

Qt Version: 5.5.1
Operating System: Linux 4.1.13-5-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
<Erklären Sie bitte ganz genau, was Sie machten, als das Programm abstürzte.>

-- Backtrace:
Application: Akonadi-Ressource (akonadi_pop3_resource), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7faceb7a6800 (LWP 3121))]

Thread 2 (Thread 0x7facd55fb700 (LWP 3137)):
#0  0x00007face66f3c1d in poll () at /lib64/libc.so.6
#1  0x00007face155d422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007face155f00f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007facd73263c9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007face700232f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007face177a0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007face66fc04d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7faceb7a6800 (LWP 3121)):
[KCrash Handler]
#6  0x00007face674c818 in __memmove_ssse3_back () at /lib64/libc.so.6
#7  0x00007face7067649 in QListData::remove(int) () at /usr/lib64/libQt5Core.so.5
#8  0x00007face70678e9 in QListData::erase(void**) () at /usr/lib64/libQt5Core.so.5
#9  0x000000000041ff87 in POP3Resource::saveSeenUIDList() ()
#10 0x0000000000420687 in POP3Resource::finish() ()
#11 0x0000000000422b0b in POP3Resource::doStateStep() ()
#12 0x0000000000427b6d in POP3Resource::quitJobResult(KJob*) ()
#13 0x00007face720d73f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#14 0x00007face8f6dd32 in KJob::result(KJob*, KJob::QPrivateSignal) () at /usr/lib64/libKF5CoreAddons.so.5
#15 0x00007face8f6e59f in KJob::finishJob(bool) () at /usr/lib64/libKF5CoreAddons.so.5
#16 0x0000000000436dd1 in SlaveBaseJob::slotSlaveResult(KJob*) ()
#17 0x00007face720d73f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#18 0x00007face8f6dd32 in KJob::result(KJob*, KJob::QPrivateSignal) () at /usr/lib64/libKF5CoreAddons.so.5
#19 0x00007face8f6e59f in KJob::finishJob(bool) () at /usr/lib64/libKF5CoreAddons.so.5
#20 0x00007face9c4dde6 in KIO::SimpleJob::slotFinished() () at /usr/lib64/libKF5KIOCore.so.5
#21 0x00007face9c58c03 in KIO::TransferJob::slotFinished() () at /usr/lib64/libKF5KIOCore.so.5
#22 0x00007face9c58381 in  () at /usr/lib64/libKF5KIOCore.so.5
#23 0x00007face720dcc6 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#24 0x00007face9c328b1 in KIO::SlaveInterface::dispatch(int, QByteArray const&) () at /usr/lib64/libKF5KIOCore.so.5
#25 0x00007face9c2ff98 in KIO::SlaveInterface::dispatch() () at /usr/lib64/libKF5KIOCore.so.5
#26 0x00007face9c343ce in KIO::Slave::gotInput() () at /usr/lib64/libKF5KIOCore.so.5
#27 0x00007face9cae5d5 in  () at /usr/lib64/libKF5KIOCore.so.5
#28 0x00007face720dcc6 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#29 0x00007face9be444c in  () at /usr/lib64/libKF5KIOCore.so.5
#30 0x00007face720eac6 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#31 0x00007face8141e7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#32 0x00007face8146cc8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#33 0x00007face71dde95 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#34 0x00007face71e0057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#35 0x00007face72358f3 in  () at /usr/lib64/libQt5Core.so.5
#36 0x00007face0e3ac84 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#37 0x00007face0e3aed8 in  () at /usr/lib64/libglib-2.0.so.0
#38 0x00007face0e3af7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#39 0x00007face7234d6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#40 0x00007face71dbd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#41 0x00007face71e38f6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#42 0x00007faceb1412aa in Akonadi::ResourceBase::init(Akonadi::ResourceBase*) () at /usr/lib64/libKF5AkonadiAgentBase.so.5
#43 0x000000000042a40d in int Akonadi::ResourceBase::init<POP3Resource>(int, char**) ()
#44 0x00007face6638b05 in __libc_start_main () at /lib64/libc.so.6
#45 0x000000000041d36e in _start ()


Reproducible: Sometimes

Steps to Reproduce:
1. Open kmail
2. dowload mails again.
3.

Actual Results:  
Mail are downloaded several times

Expected Results:  
Only download newest mails.

My first bug report.
If you have ideas for improvement, please let me know.


Guten Rutsch!!