Bug 478424

Summary: Crash and Then Fails to Start
Product: [Frameworks and Libraries] Akonadi Reporter: John Schneiderman <JohnMS>
Component: serverAssignee: kdepim bugs <kdepim-bugs>
Status: REPORTED ---    
Severity: crash CC: carl
Priority: NOR Keywords: drkonqi
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description John Schneiderman 2023-12-12 07:50:16 UTC 
Application: akonadiserver (5.24.3 (23.08.3))

Qt Version: 5.15.11
Frameworks Version: 5.111.0
Operating System: Linux 6.6.4-200.fc39.x86_64 x86_64
Windowing System: X11
Distribution: Fedora Linux 39 (KDE Plasma)
DrKonqi: 5.27.9 [KCrashBackend]

-- Information about the crash:
I was checking my E-mail in the background, while I performed other tasks. When I returned to look at the mail, Akonadi had crashed.

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: Akonadi Server (akonadiserver), signal: Segmentation fault

[KCrash Handler]
#4  0x000056365b8d46ec in Akonadi::Server::PartStreamer::stream(bool, QByteArray const&, long long&, bool*) [clone .constprop.0] ()
#5  0x000056365b80d937 in Akonadi::Server::ItemModifyHandler::parseStream() ()
#6  0x000056365b7d71f2 in Akonadi::Server::Connection::parseStream(QSharedPointer<Akonadi::Protocol::Command> const&) ()
#7  0x000056365b7dabdd in Akonadi::Server::Connection::handleIncomingData() ()
#8  0x00007fbf384df11b in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007fbf384b457b in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#10 0x00007fbf384b7a45 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#11 0x00007fbf38506fef in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /usr/lib64/libQt5Core.so.5
#12 0x00007fbf36712e5c in g_main_context_dispatch_unlocked.lto_priv () at /usr/lib64/libglib-2.0.so.0
#13 0x00007fbf3676ddd8 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#14 0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#15 0x00007fbf38506ad9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#16 0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#17 0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#18 0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#19 0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#20 0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 14 (Thread 0x7fbef97fa6c0 (LWP 23555) "0x56365d699140-"):
#1  0x00007fbf37cf708d in clock_gettime@GLIBC_2.2.5 () at /usr/lib64/libc.so.6
#2  0x00007fbf36712a13 in g_main_context_prepare_unlocked.lto_priv () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbf3676dbe0 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fbf38506af6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x000056365b7db01c in Akonadi::Server::Connection::handleIncomingData() ()
#8  0x00007fbf384df11b in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007fbf384b457b in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#10 0x00007fbf384b7a45 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#11 0x00007fbf38506fef in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /usr/lib64/libQt5Core.so.5
#12 0x00007fbf36712e5c in g_main_context_dispatch_unlocked.lto_priv () at /usr/lib64/libglib-2.0.so.0
#13 0x00007fbf3676ddd8 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#14 0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#15 0x00007fbf38506ad9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#16 0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#17 0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#18 0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#19 0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#20 0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 13 (Thread 0x7fbefaffd6c0 (LWP 23523) "0x56365d695880-"):
#1  0x00007fbf3676dd74 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbf38506af6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x000056365b7db01c in Akonadi::Server::Connection::handleIncomingData() ()
#6  0x00007fbf384df11b in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbf384b457b in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbf384b7a45 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007fbf38506fef in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /usr/lib64/libQt5Core.so.5
#10 0x00007fbf36712e5c in g_main_context_dispatch_unlocked.lto_priv () at /usr/lib64/libglib-2.0.so.0
#11 0x00007fbf3676ddd8 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#12 0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#13 0x00007fbf38506ad9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#14 0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#15 0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#16 0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#17 0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#18 0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 12 (Thread 0x7fbefb7fe6c0 (LWP 23522) "0x56365d6952c0-"):
#1  0x00007fbf367133ea in g_main_context_check_unlocked.lto_priv () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbf3676dc6a in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fbf38506af6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x000056365b7db01c in Akonadi::Server::Connection::handleIncomingData() ()
#7  0x00007fbf384df11b in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbf384b457b in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007fbf384b7a45 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#10 0x00007fbf38506fef in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /usr/lib64/libQt5Core.so.5
#11 0x00007fbf36712e5c in g_main_context_dispatch_unlocked.lto_priv () at /usr/lib64/libglib-2.0.so.0
#12 0x00007fbf3676ddd8 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#13 0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#14 0x00007fbf38506ad9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#15 0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#16 0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#17 0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#18 0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#19 0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 11 (Thread 0x7fbefbfff6c0 (LWP 23519) "0x56365d641470-"):
#1  0x00007fbf3676dd74 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbf38506af6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x000056365b7db01c in Akonadi::Server::Connection::handleIncomingData() ()
#6  0x00007fbf384df11b in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbf384b457b in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbf384b7a45 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007fbf38506fef in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /usr/lib64/libQt5Core.so.5
#10 0x00007fbf36712e5c in g_main_context_dispatch_unlocked.lto_priv () at /usr/lib64/libglib-2.0.so.0
#11 0x00007fbf3676ddd8 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#12 0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#13 0x00007fbf38506ad9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#14 0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#15 0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#16 0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#17 0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#18 0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 10 (Thread 0x7fbf1caf46c0 (LWP 23518) "0x56365d640a30-"):
#1  0x00007fbf3676dd74 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbf38506af6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x000056365b7db01c in Akonadi::Server::Connection::handleIncomingData() ()
#6  0x00007fbf384df11b in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbf384b457b in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbf384b7a45 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007fbf38506fef in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /usr/lib64/libQt5Core.so.5
#10 0x00007fbf36712e5c in g_main_context_dispatch_unlocked.lto_priv () at /usr/lib64/libglib-2.0.so.0
#11 0x00007fbf3676ddd8 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#12 0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#13 0x00007fbf38506ad9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#14 0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#15 0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#16 0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#17 0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#18 0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 9 (Thread 0x7fbf1d2f56c0 (LWP 23483) "StorageJanitor-"):
#1  0x00007fbf3676dd74 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbf38506af6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#8  0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 8 (Thread 0x7fbf1effd6c0 (LWP 23481) "SearchManager-T"):
#1  0x00007fbf37cf708d in clock_gettime@GLIBC_2.2.5 () at /usr/lib64/libc.so.6
#2  0x00007fbf36712aa9 in g_main_context_prepare_unlocked.lto_priv () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbf3676dbe0 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fbf38506af6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#10 0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 7 (Thread 0x7fbf1f7fe6c0 (LWP 23480) "IntervalCheck-T"):
#1  0x00007fbf367133a4 in g_main_context_check_unlocked.lto_priv () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbf3676dc6a in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fbf38506af6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#9  0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 6 (Thread 0x7fbf1ffff6c0 (LWP 23479) "SearchTaskManag"):
#1  0x00007fbf37cabb09 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libc.so.6
#2  0x00007fbf382fb877 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib64/libQt5Core.so.5
#3  0x000056365b825e53 in Akonadi::Server::SearchTaskManager::searchLoop() ()
#4  0x00007fbf384df11b in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbf384b457b in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbf384b7a45 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbf38506fef in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbf36712e5c in g_main_context_dispatch_unlocked.lto_priv () at /usr/lib64/libglib-2.0.so.0
#9  0x00007fbf3676ddd8 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#10 0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#11 0x00007fbf38506ad9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#12 0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#13 0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#14 0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#15 0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#16 0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 5 (Thread 0x7fbf249fc6c0 (LWP 23478) "ItemRetrievalMa"):
#1  0x00007fbf37cf708d in clock_gettime@GLIBC_2.2.5 () at /usr/lib64/libc.so.6
#2  0x00007fbf36712a13 in g_main_context_prepare_unlocked.lto_priv () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbf3676dbe0 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fbf38506af6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#10 0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 4 (Thread 0x7fbf251fd6c0 (LWP 23477) "CacheCleaner-Th"):
#1  0x00007fbf37cf708d in clock_gettime@GLIBC_2.2.5 () at /usr/lib64/libc.so.6
#2  0x00007fbf3676dcfb in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fbf38506af6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#9  0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 3 (Thread 0x7fbf259fe6c0 (LWP 23471) "NotificationMan"):
#1  0x00007fbf367129ec in g_main_context_prepare_unlocked.lto_priv () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbf3676dbe0 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fbf38506af6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#9  0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 2 (Thread 0x7fbf261ff6c0 (LWP 23296) "QDBusConnection"):
#1  0x00007fbf37cf708d in clock_gettime@GLIBC_2.2.5 () at /usr/lib64/libc.so.6
#2  0x00007fbf3676db5e in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fbf38506af6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbf382f47b0 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbf3883bdab in QDBusConnectionManager::run() () at /usr/lib64/libQt5DBus.so.5
#8  0x00007fbf382f5bbd in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007fbf37cac897 in start_thread () at /usr/lib64/libc.so.6
#10 0x00007fbf37d336fc in clone3 () at /usr/lib64/libc.so.6

Thread 1 (Thread 0x7fbf3396f9c0 (LWP 23077) "akonadiserver"):
#1  0x00007fbf3676dd74 in g_main_context_iterate_unlocked.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbf36710ad3 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbf38506ad9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fbf384b2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbf384bb1eb in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x000056365b7cfd8b in main ()
[Inferior 1 (process 23077) detached]

Reported using DrKonqi