Application: ksmserver-logout-greeter (ksmserver-logout-greeter), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f07b300e840 (LWP 89177))]

Thread 4 (Thread 0x7f07a9f77700 (LWP 89180)):
#0  0x00007f07b6e1296f in __GI___poll (fds=0x7f07a00025e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f07b539c1ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f07b539c2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f07b73ae583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f07b73554db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f07b718d785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f07b874b1a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f07b718e9d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f07b5c50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f07b6e1f103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f07b14bf700 (LWP 89179)):
#0  0x00007f07b53e9368 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f07b539c169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f07b539c2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f07b73ae583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f07b73554db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f07b718d785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f07b7c1befa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f07b718e9d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f07b5c50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f07b6e1f103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f07b218b700 (LWP 89178)):
#0  0x00007f07b6e1296f in __GI___poll (fds=0x7f07b218ac68, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f07b69bcc1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f07b69be90a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f07b2964298 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f07b718e9d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f07b5c50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f07b6e1f103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f07b300e840 (LWP 89177)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#7  0x00007f07b6d22859 in __GI_abort () at abort.c:79
#8  0x00007f07b7155aad in QMessageLogger::fatal(char const*, ...) const () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f07b8acd065 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f07b8ace157 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f07b8acea1d in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f07b774a9ad in QWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f07b8b50159 in QQuickWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00005642642df156 in ?? ()
#15 0x00007f07b7e13a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f07b7e1d0f0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f07b735693a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f07b7740de6 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007f07b7741014 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007f07b771b35b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#21 0x00007f07b296532e in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#22 0x00007f07b539bfbd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f07b539c240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f07b539c2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f07b73ae565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f07b73554db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f07b735d246 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00005642642da7cc in ?? ()
#29 0x00007f07b6d240b3 in __libc_start_main (main=0x5642642da540, argc=1, argv=0x7ffee2a1d528, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffee2a1d518) at ../csu/libc-start.c:308
#30 0x00005642642da91e in _start ()
[Inferior 1 (process 89177) detached]