Looks like this is coming out of libKF5XmlGui.
(And I'm not sure why we pull that in).
bash-4.3$ export QT_FATAL_WARNINGS=1 bash-4.3$ kube-mail QObject: Cannot create children for a parent that is in a different thread. (Parent is QApplication(0x7ffc58ee2480), parent's thread is QThread(0x2072960), current thread is QThread(0x25b2160) Aborted (core dumped) bash-4.3$ gdb kube-mail GNU gdb (GDB) Fedora 7.12-29.fc25 Copyright (C) 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from kube-mail...done. (gdb) run Starting program: /work/install/bin/kube-mail Missing separate debuginfos, use: dnf debuginfo-install glibc-2.24-3.fc25.x86_64 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". [New Thread 0x7fffde40c700 (LWP 84)] [New Thread 0x7fffd683e700 (LWP 85)] Detaching after fork from child process 86. Detaching after fork from child process 87. [New Thread 0x7fffd603d700 (LWP 90)] [New Thread 0x7fffd583c700 (LWP 91)] [New Thread 0x7fffd483a700 (LWP 93)] [New Thread 0x7fffd503b700 (LWP 92)] [New Thread 0x7fffc7fff700 (LWP 94)] [New Thread 0x7fffc77fe700 (LWP 95)] [New Thread 0x7fffc67fc700 (LWP 97)] [New Thread 0x7fffc6ffd700 (LWP 96)] [New Thread 0x7fffc5ffb700 (LWP 98)] [New Thread 0x7fffc57fa700 (LWP 99)] [New Thread 0x7fffc4ff9700 (LWP 100)] [New Thread 0x7fffa3fff700 (LWP 101)] [New Thread 0x7fffa37fe700 (LWP 102)] [New Thread 0x7fffa27fc700 (LWP 104)] [New Thread 0x7fffa2ffd700 (LWP 103)] [New Thread 0x7fffa1ffb700 (LWP 105)] [New Thread 0x7fffa17fa700 (LWP 106)] [New Thread 0x7fff87b2a700 (LWP 107)] [Thread 0x7fff87b2a700 (LWP 107) exited] [New Thread 0x7fff87b2a700 (LWP 108)] [Thread 0x7fffa27fc700 (LWP 104) exited] [New Thread 0x7fffa27fc700 (LWP 109)] [New Thread 0x7fff87329700 (LWP 110)] [New Thread 0x7fff86328700 (LWP 111)] [Thread 0x7fff86328700 (LWP 111) exited] QObject: Cannot create children for a parent that is in a different thread. (Parent is QApplication(0x7fffffffe5d0), parent's thread is QThread(0x624960), current thread is QThread(0xb70be0) Thread 24 "QQmlThread" received signal SIGABRT, Aborted. [Switching to Thread 0x7fff87329700 (LWP 110)] 0x00007ffff07e992f in raise () from /lib64/libc.so.6 Missing separate debuginfos, use: dnf debuginfo-install alsa-lib-1.1.1-2.fc25.x86_64 bzip2-libs-1.0.6-20.fc24.x86_64 dbus-libs-1.11.8-1.fc25.x86_64 expat-2.2.0-1.fc25.x86_64 flac-libs-1.3.1-6.fc24.x86_64 fontconfig-2.12.1-1.fc25.x86_64 freetype-2.6.5-1.fc25.x86_64 gamin-0.1.10-23.fc25.x86_64 glib2-2.50.2-1.fc25.x86_64 gpgme-1.8.0-10.fc25.x86_64 gpgmepp-1.8.0-10.fc25.x86_64 grantlee-qt5-5.1.0-2.fc25.x86_64 graphite2-1.3.6-1.fc25.x86_64 gsm-1.0.16-1.fc25.x86_64 gstreamer1-1.10.2-1.fc25.x86_64 gstreamer1-plugins-base-1.10.2-1.fc25.x86_64 harfbuzz-1.3.2-1.fc25.x86_64 json-c-0.12-7.fc24.x86_64 keyutils-libs-1.5.9-8.fc24.x86_64 kf5-attica-5.27.0-1.fc25.x86_64 kf5-karchive-5.27.0-1.fc25.x86_64 kf5-kauth-5.27.0-1.fc25.x86_64 kf5-kcodecs-5.27.0-1.fc25.x86_64 kf5-kcompletion-5.27.0-1.fc25.x86_64 kf5-kconfig-core-5.27.0-1.fc25.x86_64 kf5-kconfig-gui-5.27.0-1.fc25.x86_64 kf5-kconfigwidgets-5.27.0-1.fc25.x86_64 kf5-kcontacts-16.08.3-1.fc25.x86_64 kf5-kcoreaddons-5.27.0-1.fc25.x86_64 kf5-kdbusaddons-5.27.0-1.fc25.x86_64 kf5-kemoticons-5.31.0-1.fc25.x86_64 kf5-kglobalaccel-libs-5.27.0-1.fc25.x86_64 kf5-kguiaddons-5.27.0-1.fc25.x86_64 kf5-ki18n-5.27.0-1.fc25.x86_64 kf5-kiconthemes-5.27.0-1.fc25.x86_64 kf5-kio-core-libs-5.27.0-1.fc25.x86_64 kf5-kio-widgets-libs-5.27.0-1.fc25.x86_64 kf5-kirigami-1.1.0-3.fc25.x86_64 kf5-kitemmodels-5.31.0-1.fc25.x86_64 kf5-kitemviews-5.27.0-1.fc25.x86_64 kf5-kjobwidgets-5.27.0-1.fc25.x86_64 kf5-kmime-16.12.2-1.fc25.x86_64 kf5-kpackage-5.27.0-1.fc25.x86_64 kf5-kpimtextedit-16.12.2-1.fc25.x86_64 kf5-kservice-5.27.0-1.fc25.x86_64 kf5-ktextwidgets-5.27.0-1.fc25.x86_64 kf5-kwidgetsaddons-5.27.0-1.fc25.x86_64 kf5-kwindowsystem-5.27.0-1.fc25.x86_64 kf5-kxmlgui-5.27.0-1.fc25.x86_64 kf5-libkleo-16.12.2-1.fc25.x86_64 kf5-messagelib-16.12.2-1.fc25.x86_64 kf5-sonnet-core-5.27.0-1.fc25.x86_64 kf5-sonnet-ui-5.27.0-1.fc25.x86_64 kf5-syntax-highlighting-5.31.0-1.fc25.x86_64 krb5-libs-1.14.4-4.fc25.x86_64 libICE-1.0.9-5.fc25.x86_64 libSM-1.2.2-4.fc24.x86_64 libX11-1.6.4-1.fc25.x86_64 libXau-1.0.8-6.fc24.x86_64 libXcomposite-0.4.4-8.fc24.x86_64 libXcursor-1.1.14-6.fc24.x86_64 libXdamage-1.1.4-8.fc24.x86_64 libXext-1.3.3-4.fc24.x86_64 libXfixes-5.0.3-1.fc25.x86_64 libXi-1.7.8-2.fc25.x86_64 libXrender-0.9.10-1.fc25.x86_64 libXtst-1.2.3-1.fc25.x86_64 libXxf86vm-1.1.4-3.fc24.x86_64 libacl-2.2.52-11.fc24.x86_64 libassuan-2.4.3-1.fc25.x86_64 libasyncns-0.8-10.fc24.x86_64 libattr-2.4.47-16.fc24.x86_64 libblkid-2.28.2-1.fc25.x86_64 libcap-2.25-2.fc25.x86_64 libcom_err-1.43.3-1.fc25.x86_64 libdrm-2.4.74-1.fc25.x86_64 libevdev-1.5.5-1.fc25.x86_64 libevent-2.0.22-1.fc25.x86_64 libffi-3.1-9.fc24.x86_64 libgcc-6.2.1-2.fc25.x86_64 libgcrypt-1.6.6-1.fc25.x86_64 libgpg-error-1.24-1.fc25.x86_64 libgudev-230-3.fc24.x86_64 libicu-57.1-4.fc25.x86_64 libinput-1.5.3-1.fc25.x86_64 libjpeg-turbo-1.5.1-0.fc25.x86_64 libmodman-2.0.1-12.fc24.x86_64 libmount-2.28.2-1.fc25.x86_64 libogg-1.3.2-5.fc24.x86_64 libpciaccess-0.13.4-3.fc24.x86_64 libpng-1.6.26-1.fc25.x86_64 libproxy-0.4.12-4.fc25.x86_64 libselinux-2.5-13.fc25.x86_64 libsndfile-1.0.27-1.fc25.x86_64 libsrtp-1.5.4-3.fc25.x86_64 libstdc++-6.2.1-2.fc25.x86_64 libuuid-2.28.2-1.fc25.x86_64 libvorbis-1.3.5-1.fc25.x86_64 libvpx-1.6.0-1.fc25.x86_64 libwacom-0.22-2.fc25.x86_64 libwayland-client-1.12.0-1.fc25.x86_64 libwayland-server-1.12.0-1.fc25.x86_64 libwebp-0.5.1-2.fc25.x86_64 libxcb-1.12-1.fc25.x86_64 libxkbcommon-0.6.1-1.fc25.x86_64 libxkbcommon-x11-0.6.1-1.fc25.x86_64 libxml2-2.9.3-4.fc25.x86_64 libxshmfence-1.2-3.fc24.x86_64 libxslt-1.1.28-13.fc25.x86_64 lmdb-libs-0.9.18-1.fc24.x86_64 lz4-1.7.3-1.fc25.x86_64 mesa-dri-drivers-13.0.2-2.fc25.x86_64 mesa-libEGL-13.0.2-2.fc25.x86_64 mesa-libGL-13.0.2-2.fc25.x86_64 mesa-libgbm-13.0.2-2.fc25.x86_64 mesa-libglapi-13.0.2-2.fc25.x86_64 minizip-1.2.8-10.fc24.x86_64 mtdev-1.1.5-6.fc24.x86_64 nettle-3.3-1.fc25.x86_64 nspr-4.13.1-1.fc25.x86_64 nss-3.27.0-1.2.fc25.x86_64 nss-util-3.27.0-1.0.fc25.x86_64 openssl-libs-1.0.2j-1.fc25.x86_64 opus-1.1.3-1.fc25.x86_64 orc-0.4.26-1.fc25.x86_64 pciutils-libs-3.5.2-1.fc25.x86_64 pcre-8.39-6.fc25.x86_64 pcre-utf16-8.39-6.fc25.x86_64 protobuf-2.6.1-5.fc25.x86_64 pulseaudio-libs-9.0-1.fc25.x86_64 qgpgme-1.8.0-10.fc25.x86_64 qt5-qtbase-5.7.1-9.fc25.x86_64 qt5-qtbase-gui-5.7.1-9.fc25.x86_64 qt5-qtdeclarative-5.7.1-4.fc25.x86_64 qt5-qtlocation-5.7.1-2.fc25.x86_64 qt5-qtquickcontrols-5.7.1-2.fc25.x86_64 qt5-qtquickcontrols2-5.7.1-2.fc25.x86_64 qt5-qtsensors-5.7.1-3.fc25.x86_64 qt5-qtsvg-5.7.1-2.fc25.x86_64 qt5-qtwebchannel-5.7.1-2.fc25.x86_64 qt5-qtwebengine-5.7.1-4.fc25.x86_64 qt5-qtwebkit-5.7.1-2.fc25.x86_64 qt5-qtx11extras-5.7.1-2.fc25.x86_64 qt5ct-0.27-2.fc25.x86_64 re2-20160401-2.fc25.x86_64 snappy-1.1.3-2.fc24.x86_64 sqlite-libs-3.14.2-1.fc25.x86_64 systemd-libs-231-10.fc25.x86_64 tcp_wrappers-libs-7.6-83.fc25.x86_64 xcb-util-0.4.0-5.fc24.x86_64 xcb-util-image-0.4.0-5.fc24.x86_64 xcb-util-keysyms-0.4.0-3.fc24.x86_64 xcb-util-renderutil-0.3.9-6.fc24.x86_64 xcb-util-wm-0.4.1-8.fc24.x86_64 xz-libs-5.2.2-2.fc24.x86_64 zlib-1.2.8-10.fc24.x86_64 (gdb) thread apply all bt Thread 24 (Thread 0x7fff87329700 (LWP 110)): #0 0x00007ffff07e992f in raise () from /lib64/libc.so.6 #1 0x00007ffff07eb52a in abort () from /lib64/libc.so.6 #2 0x00007ffff14b30c6 in QMessageLogger::warning(char const*, ...) const () from /lib64/libQt5Core.so.5 #3 0x00007ffff168d944 in check_parent_thread(QObject*, QThreadData*, QThreadData*) [clone .part.90] () from /lib64/libQt5Core.so.5 #4 0x00007ffff16975e0 in QObject::QObject(QObject*) () from /lib64/libQt5Core.so.5 #5 0x00007fff6d6eb6a8 in _k_installConflictDetector() () from /lib64/libKF5XmlGui.so.5 #6 0x00007ffff166b981 in qAddPreRoutine(void (*)()) () from /lib64/libQt5Core.so.5 #7 0x00007ffff7de79ca in call_init.part () from /lib64/ld-linux-x86-64.so.2 #8 0x00007ffff7de7adb in _dl_init () from /lib64/ld-linux-x86-64.so.2 #9 0x00007ffff7deca36 in dl_open_worker () from /lib64/ld-linux-x86-64.so.2 #10 0x00007ffff7de7874 in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2 #11 0x00007ffff7dec009 in _dl_open () from /lib64/ld-linux-x86-64.so.2 #12 0x00007fffef836f09 in dlopen_doit () from /lib64/libdl.so.2 #13 0x00007ffff7de7874 in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2 #14 0x00007fffef837591 in _dlerror_run () from /lib64/libdl.so.2 #15 0x00007fffef836fa2 in dlopen@@GLIBC_2.2.5 () from /lib64/libdl.so.2 #16 0x00007ffff1665ab6 in QLibraryPrivate::load_sys() () from /lib64/libQt5Core.so.5 #17 0x00007ffff1660085 in QLibraryPrivate::load() () from /lib64/libQt5Core.so.5 #18 0x00007ffff166048b in QLibraryPrivate::loadPlugin() () from /lib64/libQt5Core.so.5 #19 0x00007ffff1e25246 in QQmlImportDatabase::importDynamicPlugin(QString const&, QString const&, QString const&, int, QList<QQmlError>*) () from /lib64/libQt5Qml.so.5 #20 0x00007ffff1e2631c in QQmlImportsPrivate::importExtension(QString const&, QString const&, int, int, QQmlImportDatabase*, QQmlTypeLoader::QmldirContent const*, QList<QQmlError>*) () from /lib64/libQt5Qml.so.5 #21 0x00007ffff1e26e96 in QQmlImportsPrivate::addLibraryImport(QString const&, QString const&, int, int, QString const&, QString const&, bool, QQmlImportDatabase*, QList<QQmlError>*) () from /lib64/libQt5Qml.so.5 #22 0x00007ffff1e270de in QQmlImports::addLibraryImport(QQmlImportDatabase*, QString const&, QString const&, int, int, QString const&, QString const&, bool, QList<QQmlError>*) () from /lib64/libQt5Qml.so.5 #23 0x00007ffff1df2a0e in QQmlTypeLoader::Blob::addImport(QV4::CompiledData::Import const*, QList<QQmlError>*) () from /lib64/libQt5Qml.so.5 #24 0x00007ffff1df31b3 in QQmlTypeData::continueLoadFromIR() () from /lib64/libQt5Qml.so.5 #25 0x00007ffff1df3848 in QQmlTypeData::dataReceived(QQmlDataBlob::Data const&) () from /lib64/libQt5Qml.so.5 #26 0x00007ffff1ded159 in QQmlTypeLoader::setData(QQmlDataBlob*, QQmlDataBlob::Data const&) () from /lib64/libQt5Qml.so.5 #27 0x00007ffff1ded901 in QQmlTypeLoader::setData(QQmlDataBlob*, QQmlFile*) () from /lib64/libQt5Qml.so.5 #28 0x00007ffff1deea4e in QQmlTypeLoader::loadThread(QQmlDataBlob*) () from /lib64/libQt5Qml.so.5 #29 0x00007ffff1df76ac in void QQmlTypeLoader::doLoad<PlainLoader>(PlainLoader const&, QQmlDataBlob*, QQmlTypeLoader::Mode) () from /lib64/libQt5Qml.so.5 #30 0x00007ffff1df04e1 in QQmlTypeLoader::getType(QUrl const&, QQmlTypeLoader::Mode) () from /lib64/libQt5Qml.so.5 #31 0x00007ffff1df12eb in QQmlTypeData::resolveTypes() () from /lib64/libQt5Qml.so.5 #32 0x00007ffff1df1938 in QQmlTypeData::allDependenciesDone() () from /lib64/libQt5Qml.so.5 #33 0x00007ffff1ded23a in QQmlTypeLoader::setData(QQmlDataBlob*, QQmlDataBlob::Data const&) () from /lib64/libQt5Qml.so.5 #34 0x00007ffff1ded901 in QQmlTypeLoader::setData(QQmlDataBlob*, QQmlFile*) () from /lib64/libQt5Qml.so.5 #35 0x00007ffff1deea4e in QQmlTypeLoader::loadThread(QQmlDataBlob*) () from /lib64/libQt5Qml.so.5 #36 0x00007ffff1deea9d in QQmlTypeLoaderThread::loadThread(QQmlDataBlob*) () from /lib64/libQt5Qml.so.5 ---Type <return> to continue, or q <return> to quit--- #37 0x00007ffff1e4f844 in QQmlThreadPrivate::threadEvent() () from /lib64/libQt5Qml.so.5 #38 0x00007ffff1e4feaa in QQmlThreadPrivate::event(QEvent*) () from /lib64/libQt5Qml.so.5 #39 0x00007ffff78cbecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #40 0x00007ffff78d3671 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #41 0x00007ffff16687aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5 #42 0x00007ffff166ae90 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5 #43 0x00007ffff16b66a3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5 #44 0x00007fffef56ce42 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #45 0x00007fffef56d1c0 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #46 0x00007fffef56d26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #47 0x00007ffff16b671f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #48 0x00007ffff166773a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #49 0x00007ffff14c45f3 in QThread::exec() () from /lib64/libQt5Core.so.5 #50 0x00007ffff1e4f4e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5 #51 0x00007ffff14c89da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 #52 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #53 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 23 (Thread 0x7fffa27fc700 (LWP 109)): #0 0x00007ffff05a3460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff46fdc49 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff46fe289 in base::SequencedWorkerPool::Worker::Run() () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff46fe440 in base::SimpleThread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #6 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 22 (Thread 0x7fff87b2a700 (LWP 108)): #0 0x00007ffff05a3809 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff46f2912 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff46f31b5 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff46d4e51 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46e684a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff46d12e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #6 0x00007ffff46fe9fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #7 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #8 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #9 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 20 (Thread 0x7fffa17fa700 (LWP 106)): #0 0x00007ffff08bc563 in epoll_wait () from /lib64/libc.so.6 #1 0x00007fffef2ff0c8 in epoll_dispatch () from /lib64/libevent-2.0.so.5 #2 0x00007fffef2e918a in event_base_loop () from /lib64/libevent-2.0.so.5 ---Type <return> to continue, or q <return> to quit--- #3 0x00007ffff46aba12 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46e684a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff46d12e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #6 0x00007ffff46fe9fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #7 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #8 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #9 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 19 (Thread 0x7fffa1ffb700 (LWP 105)): #0 0x00007ffff05a3809 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff46f2912 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff46f31b5 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff46d4e51 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46e684a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff46d12e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #6 0x00007ffff46fe9fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #7 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #8 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #9 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 18 (Thread 0x7fffa2ffd700 (LWP 103)): #0 0x00007ffff05a3460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff429f1c0 in mojo::system::Waiter::Wait(unsigned long, unsigned long*) () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff4287ff0 in mojo::system::Core::WaitManyInternal(unsigned int const*, unsigned int const*, unsigned int, unsigned long, unsigned int*, mojo::system::HandleSignalsState*) () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff428837b in mojo::system::Core::Wait(unsigned int, unsigned int, unsigned long, mojo::system::UserPointer<MojoHandleSignalsState>) () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff428400a in MojoWait () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff53fd82e in mojo::common::MessagePumpMojo::WaitForReadyHandles(mojo::common::MessagePumpMojo::RunState const&) const () from /lib64/libQt5WebEngineCore.so.5 #6 0x00007ffff53ffbe4 in mojo::common::MessagePumpMojo::DoInternalWork(mojo::common::MessagePumpMojo::RunState const&, bool) () from /lib64/libQt5WebEngineCore.so.5 #7 0x00007ffff53ffc35 in mojo::common::MessagePumpMojo::DoRunLoop(mojo::common::MessagePumpMojo::RunState*, base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 #8 0x00007ffff53ffd09 in mojo::common::MessagePumpMojo::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 #9 0x00007ffff46e684a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #10 0x00007ffff46d12e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #11 0x00007ffff46fe9fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #12 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #13 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #14 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 16 (Thread 0x7fffa37fe700 (LWP 102)): ---Type <return> to continue, or q <return> to quit--- #0 0x00007ffff05a3460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff3db8a0d in cc::SingleThreadTaskGraphRunner::Run() () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff46fe31e in base::DelegateSimpleThread::Run() () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff46fe440 in base::SimpleThread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #6 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 15 (Thread 0x7fffa3fff700 (LWP 101)): #0 0x00007ffff05a3460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff46f3125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff46f31e5 in base::WaitableEvent::Wait() () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff46d4e13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46e684a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff46d12e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #6 0x00007ffff46fe9fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #7 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #8 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #9 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 14 (Thread 0x7fffc4ff9700 (LWP 100)): #0 0x00007ffff08bc563 in epoll_wait () from /lib64/libc.so.6 #1 0x00007fffef2ff0c8 in epoll_dispatch () from /lib64/libevent-2.0.so.5 #2 0x00007fffef2e918a in event_base_loop () from /lib64/libevent-2.0.so.5 #3 0x00007ffff46abac5 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46e684a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff46d12e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #6 0x00007ffff39dffa8 in content::BrowserThreadImpl::IOThreadRun(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5 #7 0x00007ffff39e00eb in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5 #8 0x00007ffff46fea78 in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #9 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #10 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #11 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 13 (Thread 0x7fffc57fa700 (LWP 99)): #0 0x00007ffff08bc563 in epoll_wait () from /lib64/libc.so.6 #1 0x00007fffef2ff0c8 in epoll_dispatch () from /lib64/libevent-2.0.so.5 #2 0x00007fffef2e918a in event_base_loop () from /lib64/libevent-2.0.so.5 #3 0x00007ffff46aba12 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46e684a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff46d12e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #6 0x00007ffff39dfef8 in content::BrowserThreadImpl::CacheThreadRun(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5 #7 0x00007ffff39e014b in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5 ---Type <return> to continue, or q <return> to quit--- #8 0x00007ffff46fea78 in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #9 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #10 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #11 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 12 (Thread 0x7fffc5ffb700 (LWP 98)): #0 0x00007ffff05a3460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff46f3125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff46f31e5 in base::WaitableEvent::Wait() () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff46d4e13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46e684a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff46d12e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #6 0x00007ffff39dfe48 in content::BrowserThreadImpl::ProcessLauncherThreadRun(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5 #7 0x00007ffff39e013b in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5 #8 0x00007ffff46fea78 in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #9 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #10 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #11 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 11 (Thread 0x7fffc6ffd700 (LWP 96)): #0 0x00007ffff05a3809 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff46f2912 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff47014f0 in base::PosixDynamicThreadPool::WaitForTask() () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff4701a23 in base::(anonymous namespace)::WorkerThread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #6 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 10 (Thread 0x7fffc67fc700 (LWP 97)): #0 0x00007ffff05a3460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff46f3125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff46f31e5 in base::WaitableEvent::Wait() () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff46d4e13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46e684a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff46d12e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #6 0x00007ffff39dfd98 in content::BrowserThreadImpl::FileUserBlockingThreadRun(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5 #7 0x00007ffff39e012b in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5 #8 0x00007ffff46fea78 in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #9 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #10 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #11 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 9 (Thread 0x7fffc77fe700 (LWP 95)): ---Type <return> to continue, or q <return> to quit--- #0 0x00007ffff05a3809 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff46f2912 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff47014f0 in base::PosixDynamicThreadPool::WaitForTask() () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff4701a23 in base::(anonymous namespace)::WorkerThread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #6 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 8 (Thread 0x7fffc7fff700 (LWP 94)): #0 0x00007ffff08bc563 in epoll_wait () from /lib64/libc.so.6 #1 0x00007fffef2ff0c8 in epoll_dispatch () from /lib64/libevent-2.0.so.5 #2 0x00007fffef2e918a in event_base_loop () from /lib64/libevent-2.0.so.5 #3 0x00007ffff46aba12 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46e684a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff46d12e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #6 0x00007ffff39dfce8 in content::BrowserThreadImpl::FileThreadRun(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5 #7 0x00007ffff39e011b in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5 #8 0x00007ffff46fea78 in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #9 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #10 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #11 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 7 (Thread 0x7fffd503b700 (LWP 92)): #0 0x00007ffff08b1d63 in select () from /lib64/libc.so.6 #1 0x00007ffff46c044b in base::(anonymous namespace)::InotifyReaderCallback(base::(anonymous namespace)::InotifyReader*, int, int) () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff4725fa9 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask const&) () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff46d1ed9 in base::MessageLoop::RunTask(base::PendingTask const&) () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46d2a99 in base::MessageLoop::DeferOrRunPendingTask(base::PendingTask const&) () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff46d2f52 in base::MessageLoop::DoWork() () from /lib64/libQt5WebEngineCore.so.5 #6 0x00007ffff46d4dc9 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 #7 0x00007ffff46e684a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #8 0x00007ffff46d12e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #9 0x00007ffff46fe9fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #10 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #11 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #12 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 6 (Thread 0x7fffd483a700 (LWP 93)): #0 0x00007ffff05a3460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff46f3125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff46f31e5 in base::WaitableEvent::Wait() () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff46d4e13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 ---Type <return> to continue, or q <return> to quit--- #4 0x00007ffff46e684a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff46d12e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #6 0x00007ffff39dfc38 in content::BrowserThreadImpl::DBThreadRun(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5 #7 0x00007ffff39e010b in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5 #8 0x00007ffff46fea78 in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #9 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #10 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #11 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 5 (Thread 0x7fffd583c700 (LWP 91)): #0 0x00007ffff08bc563 in epoll_wait () from /lib64/libc.so.6 #1 0x00007fffef2ff0c8 in epoll_dispatch () from /lib64/libevent-2.0.so.5 #2 0x00007fffef2e918a in event_base_loop () from /lib64/libevent-2.0.so.5 #3 0x00007ffff46aba12 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46e684a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff46d12e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5 #6 0x00007ffff46fe9fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #7 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #8 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #9 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 4 (Thread 0x7fffd603d700 (LWP 90)): #0 0x00007ffff088067b in waitpid () from /lib64/libc.so.6 #1 0x00007ffff46e2246 in base::(anonymous namespace)::BackgroundReaper::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #4 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 3 (Thread 0x7fffd683e700 (LWP 85)): #0 0x00007ffff08b000d in poll () from /lib64/libc.so.6 #1 0x00007ffff3aba3f2 in content::SandboxIPCHandler::Run() () from /lib64/libQt5WebEngineCore.so.5 #2 0x00007ffff46fe31e in base::DelegateSimpleThread::Run() () from /lib64/libQt5WebEngineCore.so.5 #3 0x00007ffff46fe440 in base::SimpleThread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5 #4 0x00007ffff46fafdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5 #5 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #6 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 2 (Thread 0x7fffde40c700 (LWP 84)): #0 0x00007ffff08b000d in poll () from /lib64/libc.so.6 #1 0x00007fffe5f53d10 in _xcb_conn_wait () from /lib64/libxcb.so.1 #2 0x00007fffe5f55aa9 in xcb_wait_for_event () from /lib64/libxcb.so.1 #3 0x00007fffe2910d69 in QXcbEventReader::run() () from /lib64/libQt5XcbQpa.so.5 #4 0x00007ffff14c89da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 ---Type <return> to continue, or q <return> to quit--- #5 0x00007ffff059d6ca in start_thread () from /lib64/libpthread.so.0 #6 0x00007ffff08bbf6f in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x7fffe2d70ec0 (LWP 80)): #0 0x00007ffff05a3460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007ffff14c905a in QWaitCondition::wait(QMutex*, unsigned long) () from /lib64/libQt5Core.so.5 #2 0x00007ffff1e4fb5b in QQmlThread::internalCallMethodInThread(QQmlThread::Message*) () from /lib64/libQt5Qml.so.5 #3 0x00007ffff1df7619 in void QQmlTypeLoader::doLoad<PlainLoader>(PlainLoader const&, QQmlDataBlob*, QQmlTypeLoader::Mode) () from /lib64/libQt5Qml.so.5 #4 0x00007ffff1df04e1 in QQmlTypeLoader::getType(QUrl const&, QQmlTypeLoader::Mode) () from /lib64/libQt5Qml.so.5 #5 0x00007ffff1dd24f9 in QQmlComponentPrivate::loadUrl(QUrl const&, QQmlComponent::CompilationMode) () from /lib64/libQt5Qml.so.5 #6 0x00007ffff1e3d7cb in QQmlApplicationEnginePrivate::startLoad(QUrl const&, QByteArray const&, bool) () from /lib64/libQt5Qml.so.5 #7 0x00007ffff1e3d81d in QQmlApplicationEngine::load(QUrl const&) () from /lib64/libQt5Qml.so.5 #8 0x000000000040276e in main (argc=1, argv=0x7fffffffe6d8) at /work/source/Kube/applications/mail/main.cpp:67 (gdb)