Application: latte-dock (0.9.3)
 (Compiled from sources)
Qt Version: 5.12.4
Frameworks Version: 5.62.0
Operating System: Linux 5.3.0-24-generic x86_64
Distribution: Ubuntu 19.10

-- Information about the crash:
- What I was doing when the application crashed:

- Custom settings of the application: Latte dock crash when logging out on dual display in Kubuntu.
I have latte dock copied on both of my displays.

The crash can be reproduced every time.

-- Backtrace:
Application: Latte Dock (latte-dock), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f06b6715c80 (LWP 1325))]

Thread 5 (Thread 0x7f06a2df4700 (LWP 1457)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ba18c0d268) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ba18c0d218, cond=0x55ba18c0d240) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ba18c0d240, mutex=0x55ba18c0d218) at pthread_cond_wait.c:638
#3  0x00007f06a346f97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f06a346f59b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f06b90ee669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#6  0x00007f06b9bf7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f06ad38c700 (LWP 1440)):
#0  0x00007f06ba2f8e17 in QTimerInfoList::timerWait(timespec&) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f06ba2fa416 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f06b8710fbf in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f06b871196b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f06b8711b73 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f06ba2fa6c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f06ba2a163b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f06ba0daa75 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f06bba8b319 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f06ba0dbcc2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f06b90ee669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#11 0x00007f06b9bf7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f06b4939700 (LWP 1342)):
#0  0x00007f06b875dc68 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f06b8710fb1 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f06b871196b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f06b8711b73 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f06ba2fa6c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f06ba2a163b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f06ba0daa75 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f06ba5d2efa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f06ba0dbcc2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f06b90ee669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#10 0x00007f06b9bf7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f06b587a700 (LWP 1336)):
#0  0x00007f06b9beac2f in __GI___poll (fds=0x7f06b5879ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f06bc1f5917 in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f06bc1f753a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f06b606e288 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f06ba0dbcc2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f06b90ee669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#6  0x00007f06b9bf7323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f06b6715c80 (LWP 1325)):
[KCrash Handler]
#5  0x00007f06bc48a724 in PlasmaQuick::ContainmentView::containment() const () from /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#6  0x000055ba16a055ec in Latte::Layout::GenericLayout::addView(Plasma::Containment*, bool, int, QHash<QString, QHash<Plasma::Types::Location, unsigned int> >*) ()
#7  0x000055ba169fa1c1 in Latte::CentralLayout::addView(Plasma::Containment*, bool, int, QHash<QString, QHash<Plasma::Types::Location, unsigned int> >*) ()
#8  0x000055ba16a02412 in Latte::Layout::GenericLayout::addContainment(Plasma::Containment*) ()
#9  0x00007f06ba2ce5c8 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f06bc136413 in Plasma::Corona::containmentAdded(Plasma::Containment*) () from /lib/x86_64-linux-gnu/libKF5Plasma.so.5
#11 0x00007f06bc1387e7 in ?? () from /lib/x86_64-linux-gnu/libKF5Plasma.so.5
#12 0x00007f06bc1392d6 in ?? () from /lib/x86_64-linux-gnu/libKF5Plasma.so.5
#13 0x00007f06bc13c62a in Plasma::Corona::loadLayout(QString const&) () from /lib/x86_64-linux-gnu/libKF5Plasma.so.5
#14 0x000055ba16a24c9f in Latte::Layouts::Manager::loadLatteLayout(QString) ()
#15 0x000055ba16a2f8af in ?? ()
#16 0x00007f06ba2db706 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f06ba2cee55 in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f06baf93a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f06baf9ce00 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f06ba2a2a9a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f06ba2f9a00 in QTimerInfoList::activateTimers() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f06ba2fa2dc in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f06b871184d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f06b8711ad0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f06b8711b73 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f06ba2fa6a5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f06ba2a163b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f06ba2a93a6 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x000055ba169dbb2e in main ()
[Inferior 1 (process 1325) detached]

Reported using DrKonqi