Application: kmail (5.15.3 (20.08.3)) Qt Version: 5.15.2 Frameworks Version: 5.79.0 Operating System: Linux 5.11.15-lqx1.0.fc33 x86_64 Windowing system: X11 Distribution: Fedora 33 (KDE Plasma) -- Information about the crash: - What I was doing when the application crashed: Restarting Kmail - Unusual behavior I noticed: Before closing Kmail, mail was taking a long time to sync. After quitting and starting the app twice it started and immediately crashed. -- Backtrace: Application: KMail (kmail), signal: Segmentation fault [KCrash Handler] #4 0x00007fb6a756abd4 in operator==(QString const&, QString const&) () from /lib64/libQt5Core.so.5 #5 0x00007fb6a6af3750 in KStatusNotifierItem::setToolTipSubTitle(QString const&) () from /lib64/libKF5Notifications.so.5 #6 0x00007fb6b0026476 in KMail::KMSystemTray::updateToolTip(int) () from /lib64/libkmailprivate.so.5 #7 0x00007fb6b00266c6 in KMail::UnityServiceManager::unreadMail(QAbstractItemModel const*, QModelIndex const&) () from /lib64/libkmailprivate.so.5 #8 0x00007fb6b00266c6 in KMail::UnityServiceManager::unreadMail(QAbstractItemModel const*, QModelIndex const&) () from /lib64/libkmailprivate.so.5 #9 0x00007fb6b0029389 in KMail::UnityServiceManager::initListOfCollection() () from /lib64/libkmailprivate.so.5 #10 0x00007fb6a76b0386 in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5 #11 0x00007fb6a560513b in Akonadi::Monitor::collectionStatisticsChanged(long long, Akonadi::CollectionStatistics const&) () from /lib64/libKF5AkonadiCore.so.5 #12 0x00007fb6a560daaa in Akonadi::MonitorPrivate::slotStatisticsChangedFinished(KJob*) () from /lib64/libKF5AkonadiCore.so.5 #13 0x00007fb6a76b0386 in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5 #14 0x00007fb6a86951c0 in KJob::result(KJob*, KJob::QPrivateSignal) () from /lib64/libKF5CoreAddons.so.5 #15 0x00007fb6a8699e8b in KJob::finishJob(bool) () from /lib64/libKF5CoreAddons.so.5 #16 0x00007fb6a76a8d1e in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5 #17 0x00007fb6a8115ec3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #18 0x00007fb6a7680bd8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5 #19 0x00007fb6a76838c7 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5 #20 0x00007fb6a76cdc27 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5 #21 0x00007fb6a121fa9f in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #22 0x00007fb6a1271a98 in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0 #23 0x00007fb6a121ce73 in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #24 0x00007fb6a76cd6f3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #25 0x00007fb6a767f57b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #26 0x00007fb6a76871b4 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5 #27 0x000055c3d11e487b in main () [Inferior 1 (process 6078) detached] Possible duplicates by query: bug 431539, bug 422092, bug 419229, bug 416379, bug 410586. Reported using DrKonqi