Application: akonadi_baloo_indexer (4.14)
KDE Platform Version: 4.14.30
Qt Version: 4.8.7
Operating System: Linux 4.10.0-24-generic x86_64
Distribution: Ubuntu 17.04

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

Run kmail, try to read email. Email not read, sometimes crash occures

The crash can be reproduced every time.

-- Backtrace:
Application: No such method 'agentName' in interface 'org.freedesktop.Akonadi.AgentManager' at object path '/AgentManager' (signature 'ss') (akonadi_baloo_indexer), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007fa2cedb877f in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
#7  0x00007fa2cedba37a in __GI_abort () at abort.c:89
#8  0x00007fa2d299bf15 in qt_message_output(QtMsgType, char const*) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fa2d14cecc7 in  () at /usr/lib/libakonadi-kde.so.4
#10 0x00007fa2d14ce18a in  () at /usr/lib/libakonadi-kde.so.4
#11 0x00007fa2d2ad0d11 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#12 0x00007fa2d000f03c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#13 0x00007fa2d0015f76 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#14 0x00007fa2d0d73f5a in KApplication::notify(QObject*, QEvent*) () at /usr/lib/libkdeui.so.5
#15 0x00007fa2d2ab68ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00007fa2d2aba366 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007fa2d2ae709e in  () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x00007fa2ce47b377 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fa2ce47b5e0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fa2ce47b68c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fa2d2ae720e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#22 0x00007fa2d00bc666 in  () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#23 0x00007fa2d2ab512f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#24 0x00007fa2d2ab5495 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#25 0x00007fa2d2abb459 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#26 0x00007fa2d14cb43d in Akonadi::AgentBase::init(Akonadi::AgentBase*) () at /usr/lib/libakonadi-kde.so.4
#27 0x00005608a87521f3 in  ()
#28 0x00007fa2ceda33f1 in __libc_start_main (main=0x5608a874b3a0, argc=3, argv=0x7ffd1d7632a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd1d763298) at ../csu/libc-start.c:291
#29 0x00005608a874b45a in _start ()

Reported using DrKonqi