Application: kwin_x11 (5.8.5)

Qt Version: 5.7.1
Frameworks Version: 5.29.0
Operating System: Linux 4.8.6-300.fc25.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
I typed the login and password, then selected 'KDE' into the sessions menu, then pressed a button 'Sign In'. After that cursor appeared on a screen for a second, then I saw many dialogues about this kwin crashes

-- Backtrace:
Application: KWin (kwin_x11), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5dcd4ef940 (LWP 3211))]

Thread 6 (Thread 0x7f5db6deb700 (LWP 3231)):
#0  0x00007f5de06a7809 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f5dde4a6038 in QWaitCondition::wait(QMutex*, unsigned long) () from /lib64/libQt5Core.so.5
#2  0x00007f5dde4a2a6d in QThreadPoolThread::run() () from /lib64/libQt5Core.so.5
#3  0x00007f5dde4a59da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#4  0x00007f5de06a16ca in start_thread () from /lib64/libpthread.so.0
#5  0x00007f5ddd898f6f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f5db77fe700 (LWP 3230)):
#0  0x00007f5ddd88d0d1 in ppoll () from /lib64/libc.so.6
#1  0x00007f5dde68f8e0 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /lib64/libQt5Core.so.5
#2  0x00007f5dde690ed6 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#3  0x00007f5dde64473a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f5dde4a15f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#5  0x00007f5de01bc739 in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#6  0x00007f5dde4a59da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007f5de06a16ca in start_thread () from /lib64/libpthread.so.0
#8  0x00007f5ddd898f6f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f5db7fff700 (LWP 3229)):
#0  0x00007f5ddd88d00d in poll () from /lib64/libc.so.6
#1  0x00007f5dd4fca156 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f5dd4fca26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f5dbc6a8fad in dconf_gdbus_worker_thread () from /usr/lib64/gio/modules/libdconfsettings.so
#4  0x00007f5dd4ff1b03 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5  0x00007f5de06a16ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007f5ddd898f6f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f5dbd2e1700 (LWP 3220)):
#0  0x00007f5ddd88d00d in poll () from /lib64/libc.so.6
#1  0x00007f5dd4fca156 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f5dd4fca4e2 in g_main_loop_run () from /lib64/libglib-2.0.so.0
#3  0x00007f5dce9b7946 in gdbus_shared_thread_func () from /lib64/libgio-2.0.so.0
#4  0x00007f5dd4ff1b03 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5  0x00007f5de06a16ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007f5ddd898f6f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f5dbdae2700 (LWP 3219)):
#0  0x00007f5ddd88d00d in poll () from /lib64/libc.so.6
#1  0x00007f5dd4fca156 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f5dd4fca26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f5dd4fca2b1 in glib_worker_main () from /lib64/libglib-2.0.so.0
#4  0x00007f5dd4ff1b03 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5  0x00007f5de06a16ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007f5ddd898f6f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f5dcd4ef940 (LWP 3211)):
[KCrash Handler]
#6  0x00007f5ddd7c692f in raise () from /lib64/libc.so.6
#7  0x00007f5ddd7c852a in abort () from /lib64/libc.so.6
#8  0x00007f5dde490bb1 in QMessageLogger::fatal(char const*, ...) const () from /lib64/libQt5Core.so.5
#9  0x00007f5dde66afd5 in QObjectPrivate::QObjectPrivate(int) () from /lib64/libQt5Core.so.5
#10 0x00007f5de50e1414 in QQmlEnginePrivate::QQmlEnginePrivate(QQmlEngine*) () from /lib64/libQt5Qml.so.5
#11 0x00007f5de50e49a2 in QQmlEngine::QQmlEngine(QObject*) () from /lib64/libQt5Qml.so.5
#12 0x00007f5de6922243 in KWin::Scripting::Scripting(QObject*) () from /lib64/libkwin.so.5
#13 0x00007f5de6922361 in KWin::Scripting::create(QObject*) () from /lib64/libkwin.so.5
#14 0x00007f5de6808fd5 in KWin::Workspace::init() () from /lib64/libkwin.so.5
#15 0x00007f5de6809bd3 in KWin::Workspace::Workspace(QString const&) () from /lib64/libkwin.so.5
#16 0x00007f5de685e043 in KWin::Application::createWorkspace() () from /lib64/libkwin.so.5
#17 0x00007f5de6c41dce in QtPrivate::QFunctorSlotObject<KWin::ApplicationX11::performStartup()::{lambda()#2}::operator()() const::{lambda()#1}, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) () from /lib64/libkdeinit5_kwin_x11.so
#18 0x00007f5dde66cae6 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#19 0x00007f5de6c4212f in QtPrivate::QFunctorSlotObject<KWin::ApplicationX11::performStartup()::{lambda()#2}, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) () from /lib64/libkdeinit5_kwin_x11.so
#20 0x00007f5dde66cae6 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#21 0x00007f5ddf3c124b in KSelectionOwner::Private::claimSucceeded() () from /lib64/libKF5WindowSystem.so.5
#22 0x00007f5ddf3c19c1 in KSelectionOwner::filterEvent(void*) () from /lib64/libKF5WindowSystem.so.5
#23 0x00007f5dde6437ec in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () from /lib64/libQt5Core.so.5
#24 0x00007f5dc686d544 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () from /lib64/libQt5XcbQpa.so.5
#25 0x00007f5dc686e225 in QXcbConnection::processXcbEvents() () from /lib64/libQt5XcbQpa.so.5
#26 0x00007f5dde66d879 in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5
#27 0x00007f5ddee87ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#28 0x00007f5ddee8f671 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#29 0x00007f5dde6457aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#30 0x00007f5dde647e90 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5
#31 0x00007f5dde690d4b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#32 0x00007f5dc68e579d in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5XcbQpa.so.5
#33 0x00007f5dde64473a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#34 0x00007f5dde64c23c in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#35 0x00007f5de6c440b6 in kdemain () from /lib64/libkdeinit5_kwin_x11.so
#36 0x00007f5ddd7b1401 in __libc_start_main () from /lib64/libc.so.6
#37 0x000055a6066bbcca in _start ()

Possible duplicates by query: bug 373948.

Reported using DrKonqi