https://bugs.kde.org/show_bug.cgi?id=363006

            Bug ID: 363006
           Summary: KWin crashed while started after reboot
           Product: kwin
           Version: 5.6.3
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kwin-bugs-n...@kde.org
          Reporter: itarna...@yandex.ru

Application: kwin_x11 (5.6.3)

Qt Version: 5.6.0
Frameworks Version: 5.21.0
Operating System: Linux 4.4.9-300.fc23.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- KWin crashed after system update and reboot. Crashed while login in.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8a43d15940 (LWP 1593))]

Thread 4 (Thread 0x7f8a3c6be700 (LWP 1600)):
#0  0x00007f8a5403cd0d in poll () from /lib64/libc.so.6
#1  0x00007f8a550ad272 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f8a550aeee7 in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f8a3cf25349 in QXcbEventReader::run() () from
/lib64/libQt5XcbQpa.so.5
#4  0x00007f8a55371d48 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f8a56d9b60a in start_thread () from /lib64/libpthread.so.0
#6  0x00007f8a5404878d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f8a3af60700 (LWP 1601)):
#0  0x00007f8a5403ea93 in select () from /lib64/libc.so.6
#1  0x00007f8a5559629f in qt_safe_select(int, fd_set*, fd_set*, fd_set*,
timespec const*) () from /lib64/libQt5Core.so.5
#2  0x00007f8a55597cde in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () from /lib64/libQt5Core.so.5
#3  0x00007f8a555981f2 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4  0x00007f8a555434ca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5  0x00007f8a5536cf34 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f8a5689c4b5 in QDBusConnectionManager::run() () from
/lib64/libQt5DBus.so.5
#7  0x00007f8a55371d48 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8  0x00007f8a56d9b60a in start_thread () from /lib64/libpthread.so.0
#9  0x00007f8a5404878d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f8a38d45700 (LWP 1696)):
#0  0x00007f8a5403ea93 in select () from /lib64/libc.so.6
#1  0x00007f8a5559629f in qt_safe_select(int, fd_set*, fd_set*, fd_set*,
timespec const*) () from /lib64/libQt5Core.so.5
#2  0x00007f8a55597cde in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () from /lib64/libQt5Core.so.5
#3  0x00007f8a555981f2 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4  0x00007f8a555434ca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5  0x00007f8a5536cf34 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f8a5ba611b5 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#7  0x00007f8a55371d48 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8  0x00007f8a56d9b60a in start_thread () from /lib64/libpthread.so.0
#9  0x00007f8a5404878d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f8a43d15940 (LWP 1593)):
[KCrash Handler]
#5  0x00007f8a5540fae2 in QtPrivate::QStringList_contains(QStringList const*,
QString const&, Qt::CaseSensitivity) () from /lib64/libQt5Core.so.5
#6  0x00007f8a568a5f12 in
QDBusConnectionPrivate::isServiceRegisteredByThread(QString const&) () from
/lib64/libQt5DBus.so.5
#7  0x00007f8a568ae248 in
QDBusConnectionPrivate::sendWithReplyAsync(QDBusMessage const&, QObject*, char
const*, char const*, int) () from /lib64/libQt5DBus.so.5
#8  0x00007f8a5689d158 in QDBusConnection::asyncCall(QDBusMessage const&, int)
const () from /lib64/libQt5DBus.so.5
#9  0x00007f8a5d42e114 in KWin::LogindIntegration::logindServiceRegistered() ()
from /lib64/libkwin.so.5
#10 0x00007f8a5d42e4c6 in
QtPrivate::QFunctorSlotObject<KWin::LogindIntegration::LogindIntegration(QDBusConnection
const&, QObject*)::{lambda(QDBusPendingCallWatcher*)#6}, 1,
QtPrivate::List<QDBusPendingCallWatcher*>, void>::impl(int,
QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) () from
/lib64/libkwin.so.5
#11 0x00007f8a5557212e in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#12 0x00007f8a568f288f in
QDBusPendingCallWatcher::finished(QDBusPendingCallWatcher*) () from
/lib64/libQt5DBus.so.5
#13 0x00007f8a568f2988 in QDBusPendingCallWatcher::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () from /lib64/libQt5DBus.so.5
#14 0x00007f8a55572c29 in QObject::event(QEvent*) () from
/lib64/libQt5Core.so.5
#15 0x00007f8a55e79c0c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#16 0x00007f8a55e7ee76 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#17 0x00007f8a55545748 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#18 0x00007f8a5554760a in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib64/libQt5Core.so.5
#19 0x00007f8a555980d2 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#20 0x00007f8a3cf9760d in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib64/libQt5XcbQpa.so.5
#21 0x00007f8a555434ca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#22 0x00007f8a5554bb8c in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#23 0x00007f8a5d763f0d in kdemain () from /lib64/libkdeinit5_kwin_x11.so
#24 0x00007f8a53f66580 in __libc_start_main () from /lib64/libc.so.6
#25 0x000056113f51ed49 in _start ()

Reported using DrKonqi

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