Application: akonadi_maildir_resource (4.82.0)
 (Compiled from sources)
Qt Version: 5.4.2
Operating System: Linux 4.0.1-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
This happens every time I start akonadi (or autostarts) and it happens mroe often if I don't have internet connection even though I am not sure if there is really a cause/effect.

The crash can be reproduced every time.

-- Backtrace:
Application: Akonadi Resource (akonadi_maildir_resource), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f51c322d800 (LWP 23114))]

Thread 2 (Thread 0x7f51c072a700 (LWP 23115)):
#0  0x00007f51ce696e8d in poll () from /usr/lib/libc.so.6
#1  0x00007f51cc0b39f2 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f51cc0b556f in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007f51c2fcacf4 in QXcbEventReader::run (this=0x1060060) at /home/afiestas/kde5/qt5/qtbase/src/plugins/platforms/xcb/qxcbconnection.cpp:1105
#4  0x00007f51cf2aab71 in QThreadPrivate::start (arg=0x1060060) at /home/afiestas/kde5/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:337
#5  0x00007f51cc79c354 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f51ce69fbfd in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f51c322d800 (LWP 23114)):
[KCrash Handler]
#6  0x00007f51ce5eb528 in raise () from /usr/lib/libc.so.6
#7  0x00007f51ce5ec93a in abort () from /usr/lib/libc.so.6
#8  0x00007f51cf296fbb in qt_message_fatal (context=..., message=...) at /home/afiestas/kde5/qt5/qtbase/src/corelib/global/qlogging.cpp:1422
#9  0x00007f51cf2938d6 in QMessageLogger::fatal (this=0x7ffc436a7c80, msg=0x7f51cf5a7a30 "ASSERT: \"%s\" in file %s, line %d") at /home/afiestas/kde5/qt5/qtbase/src/corelib/global/qlogging.cpp:643
#10 0x00007f51cf28d80c in qt_assert (assertion=0x7f51d59708a5 "!col.remoteId().isEmpty()", file=0x7f51d5970500 "/home/afiestas/kde5/source/kdepimlibs/akonadi/src/core/collectionsync.cpp", line=608) at /home/afiestas/kde5/qt5/qtbase/src/corelib/global/qglobal.cpp:2868
#11 0x00007f51d58460d3 in Akonadi::CollectionSync::Private::deleteLocalCollections (this=0x11437e0) at /home/afiestas/kde5/source/kdepimlibs/akonadi/src/core/collectionsync.cpp:608
#12 0x00007f51d58455b7 in Akonadi::CollectionSync::Private::updateLocalCollections (this=0x11437e0) at /home/afiestas/kde5/source/kdepimlibs/akonadi/src/core/collectionsync.cpp:537
#13 0x00007f51d58449b3 in Akonadi::CollectionSync::Private::createLocalCollections (this=0x11437e0) at /home/afiestas/kde5/source/kdepimlibs/akonadi/src/core/collectionsync.cpp:424
#14 0x00007f51d5846816 in Akonadi::CollectionSync::Private::execute (this=0x11437e0) at /home/afiestas/kde5/source/kdepimlibs/akonadi/src/core/collectionsync.cpp:718
#15 0x00007f51d5843f12 in Akonadi::CollectionSync::Private::localCollectionFetchResult (this=0x11437e0, job=0x113a380) at /home/afiestas/kde5/source/kdepimlibs/akonadi/src/core/collectionsync.cpp:360
#16 0x00007f51d5841fdb in Akonadi::CollectionSync::qt_static_metacall (_o=0x10fe9e0, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7ffc436a8280) at /home/afiestas/kde5/build/kdepimlibs/akonadi/src/core/moc_collectionsync_p.cpp:95
#17 0x00007f51cf5105a3 in QMetaObject::activate (sender=0x113a380, signalOffset=3, local_signal_index=3, argv=0x7ffc436a8280) at /home/afiestas/kde5/qt5/qtbase/src/corelib/kernel/qobject.cpp:3717
#18 0x00007f51cf50fdae in QMetaObject::activate (sender=0x113a380, m=0x7f51d1da4980 <KJob::staticMetaObject>, local_signal_index=3, argv=0x7ffc436a8280) at /home/afiestas/kde5/qt5/qtbase/src/corelib/kernel/qobject.cpp:3582
#19 0x00007f51d1b47cd3 in KJob::result (this=0x113a380, _t1=0x113a380) at /home/afiestas/kde5/build/kcoreaddons/src/lib/moc_kjob.cpp:552
#20 0x00007f51d1b46631 in KJob::emitResult (this=0x113a380) at /home/afiestas/kde5/source/kcoreaddons/src/lib/jobs/kjob.cpp:294
#21 0x00007f51d58f7949 in Akonadi::JobPrivate::delayedEmitResult (this=0x10fa8c0) at /home/afiestas/kde5/source/kdepimlibs/akonadi/src/core/jobs/job.cpp:165
#22 0x00007f51d58f89d1 in Akonadi::Job::qt_static_metacall (_o=0x113a380, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0x10fec90) at /home/afiestas/kde5/build/kdepimlibs/akonadi/src/core/moc_job.cpp:107
#23 0x00007f51cf508a93 in QMetaCallEvent::placeMetaCall (this=0x113d6c0, object=0x113a380) at /home/afiestas/kde5/qt5/qtbase/src/corelib/kernel/qobject.cpp:485
#24 0x00007f51cf509b62 in QObject::event (this=0x113a380, e=0x113d6c0) at /home/afiestas/kde5/qt5/qtbase/src/corelib/kernel/qobject.cpp:1245
#25 0x00007f51cffedf40 in QApplicationPrivate::notify_helper (this=0x1048690, receiver=0x113a380, e=0x113d6c0) at /home/afiestas/kde5/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3720
#26 0x00007f51cffeb6a5 in QApplication::notify (this=0x7ffc436a9110, receiver=0x113a380, e=0x113d6c0) at /home/afiestas/kde5/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3164
#27 0x00007f51cf4ccaf8 in QCoreApplication::notifyInternal (this=0x7ffc436a9110, receiver=0x113a380, event=0x113d6c0) at /home/afiestas/kde5/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:935
#28 0x00007f51cf4d079b in QCoreApplication::sendEvent (receiver=0x113a380, event=0x113d6c0) at /home/afiestas/kde5/qt5/qtbase/src/corelib/kernel/qcoreapplication.h:228
#29 0x00007f51cf4cde74 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x103ee60) at /home/afiestas/kde5/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1552
#30 0x00007f51cf4cd7f4 in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at /home/afiestas/kde5/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1410
#31 0x00007f51cf545f10 in postEventSourceDispatch (s=0x107dd10) at /home/afiestas/kde5/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:271
#32 0x00007f51c884f9fd in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#33 0x00007f51c884fce0 in ?? () from /usr/lib/libglib-2.0.so.0
#34 0x00007f51c884fd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#35 0x00007f51cf5466cd in QEventDispatcherGlib::processEvents (this=0x108d1c0, flags=...) at /home/afiestas/kde5/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:418
#36 0x00007f51c300d4aa in QPAEventDispatcherGlib::processEvents (this=0x108d1c0, flags=...) at /home/afiestas/kde5/qt5/qtbase/src/platformsupport/eventdispatchers/qeventdispatcher_glib.cpp:115
#37 0x00007f51cf4c975a in QEventLoop::processEvents (this=0x7ffc436a9020, flags=...) at /home/afiestas/kde5/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:128
#38 0x00007f51cf4c9a4e in QEventLoop::exec (this=0x7ffc436a9020, flags=...) at /home/afiestas/kde5/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:204
#39 0x00007f51cf4cd1d6 in QCoreApplication::exec () at /home/afiestas/kde5/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1188
#40 0x00007f51cf8b1ea0 in QGuiApplication::exec () at /home/afiestas/kde5/qt5/qtbase/src/gui/kernel/qguiapplication.cpp:1507
#41 0x00007f51cffeaecb in QApplication::exec () at /home/afiestas/kde5/qt5/qtbase/src/widgets/kernel/qapplication.cpp:2956
#42 0x00007f51d641a0fa in Akonadi::ResourceBase::init (r=0x10b8600) at /home/afiestas/kde5/source/kdepimlibs/akonadi/src/agentbase/resourcebase.cpp:589
#43 0x0000000000425eab in Akonadi::ResourceBase::init<MaildirResource> (argc=3, argv=0x7ffc436a9268) at /opt/kde5/include/KF5/AkonadiAgentBase/resourcebase.h:192
#44 0x0000000000425d3f in main (argc=3, argv=0x7ffc436a9268) at /home/afiestas/kde5/source/kdepim-runtime/resources/maildir/main.cpp:22

Reported using DrKonqi