https://bugs.kde.org/show_bug.cgi?id=401741
--- Comment #5 from Ryan <r...@acemail.org> --- I experienced this problem again using the regular Task Manager. #0 0x00007f55565aa22f in QVariant::QVariant(QVariant const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #1 0x00007f5558d4db02 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Service.so.5 #2 0x00007f5558d479d5 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Service.so.5 #3 0x00007f5558d47b72 in KService::KService(QDataStream&, int) () from /usr/lib/x86_64-linux-gnu/libKF5Service.so.5 #4 0x00007f5558d4f3c5 in KServiceFactory::createEntry(int) const () from /usr/lib/x86_64-linux-gnu/libKF5Service.so.5 #5 0x00007f5558d50246 in KServiceFactory::serviceOffers(int, int) () from /usr/lib/x86_64-linux-gnu/libKF5Service.so.5 #6 0x00007f5558d608ef in KServiceTypeTrader::defaultOffers(QString const&, QString const&) const () from /usr/lib/x86_64-linux-gnu/libKF5Service.so.5 #7 0x00007f5558d60c29 in KServiceTypeTrader::query(QString const&, QString const&) const () from /usr/lib/x86_64-linux-gnu/libKF5Service.so.5 #8 0x00007f54781e118a in TaskManager::windowUrlFromMetadata(QString const&, unsigned int, QExplicitlySharedDataPointer<KSharedConfig>, QString const&) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6 #9 0x00007f54781ed6f7 in TaskManager::XWindowTasksModel::Private::windowUrl(unsigned long long) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6 #10 0x00007f54781eda5b in TaskManager::XWindowTasksModel::Private::appData(unsigned long long) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6 #11 0x00007f54781efc60 in TaskManager::XWindowTasksModel::data(QModelIndex const&, int) const () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6 #12 0x00007f5556510688 in QAbstractProxyModel::data(QModelIndex const&, int) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007f5473dd1fe4 in KConcatenateRowsProxyModel::data(QModelIndex const&, int) const () from /usr/lib/x86_64-linux-gnu/libKF5ItemModels.so.5 #14 0x00007f5556527869 in QSortFilterProxyModel::data(QModelIndex const&, int) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #15 0x00007f54781ce027 in TaskManager::TaskGroupingProxyModel::data(QModelIndex const&, int) const () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6 #16 0x00007f54781d0a37 in ?? () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6 #17 0x00007f555652e6b2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #18 0x00007f555652fc58 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #19 0x00007f55565955b5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x00007f555650184c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007f54781cd98d in TaskManager::TaskGroupingProxyModel::Private::sourceDataChanged(QModelIndex, QModelIndex, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6 #22 0x00007f54781cebcd in ?? () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6 #23 0x00007f55565955b5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #24 0x00007f555650184c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #25 0x00007f555652f060 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #26 0x00007f555652fc58 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 ---Type <return> to continue, or q <return> to quit--- #27 0x00007f55565955b5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #28 0x00007f555650184c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #29 0x00007f5473dd2432 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ItemModels.so.5 #30 0x00007f5473dd3188 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ItemModels.so.5 #31 0x00007f55565955b5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #32 0x00007f555650184c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #33 0x00007f5556523421 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #34 0x00007f55565250f8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #35 0x00007f55565955b5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #36 0x00007f555650184c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #37 0x00007f54781eab20 in TaskManager::XWindowTasksModel::Private::dataChanged(unsigned long long, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6 #38 0x00007f54781ebd4a in TaskManager::XWindowTasksModel::Private::windowChanged(unsigned long long, QFlags<NET::Property>, QFlags<NET::Property2>) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6 #39 0x00007f55565956cf in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #40 0x00007f55590064eb in KWindowSystem::windowChanged(unsigned long long, QFlags<NET::Property>, QFlags<NET::Property2>) () from /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5 #41 0x00007f553e7cf7a6 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so #42 0x00007f555656358f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #43 0x00007f5548da3820 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #44 0x00007f5548da44ac in QXcbConnection::processXcbEvents() () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #45 0x00007f5556596122 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #46 0x00007f555756e82c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #47 0x00007f55575760f4 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #48 0x00007f55565669a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #49 0x00007f555656911d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #50 0x00007f55565c02c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #51 0x00007f55507e0387 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #52 0x00007f55507e05c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #53 0x00007f55507e064c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 ---Type <return> to continue, or q <return> to quit--- #54 0x00007f55565bf8ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #55 0x00007f55565649ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #56 0x00007f555656da84 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #57 0x0000560978caccfa in ?? () #58 0x00007f5555b83b97 in __libc_start_main (main=0x560978cac320, argc=1, argv=0x7ffeb22d6958, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffeb22d6948) at ../csu/libc-start.c:310 #59 0x0000560978cad09a in _start () -- You are receiving this mail because: You are watching all bug changes.