Description:

Selecting Database Configuration Type on first startup crashes application

Additional info:
* package version(s)
5.5.0
* config and/or log files etc.
KDE 5.9.4 with Wayland
Qt Version: 5.8.0
Frameworks Version: 5.32.0
Operating System: Linux 4.10.8-1-macbook x86_64

Steps to reproduce:

* Start digikam for the first time
* Click Next twice, and then get to the Database Configuration screen
* Try to click the Type to change Database type

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f044cefddc0 (LWP 30898))]

Thread 2 (Thread 0x7f040abd4700 (LWP 30899)):
#0 0x00007f044839967d in poll () at /usr/lib/libc.so.6
#1 0x00007f043c65b7a6 in () at /usr/lib/libglib-2.0.so.0
#2 0x00007f043c65b8bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3 0x00007f04492d706b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4 0x00007f044928089a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5 0x00007f04490a2a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6 0x00007f0443221125 in () at /usr/lib/libQt5DBus.so.5
#7 0x00007f04490a76d8 in () at /usr/lib/libQt5Core.so.5
#8 0x00007f0442ff42e7 in start_thread () at /usr/lib/libpthread.so.0
#9 0x00007f04483a354f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f044cefddc0 (LWP 30898)):
[KCrash Handler]
#6 0x00007f040fd54df7 in () at /usr/lib/libwayland-client.so.0
#7 0x00007f040fd553c8 in () at /usr/lib/libwayland-client.so.0
#8 0x00007f040fd532cd in wl_proxy_marshal () at /usr/lib/libwayland-client.so.0
#9 0x00007f0449f97f06 in QWidgetPrivate::raise_sys() () at /usr/lib/libQt5Widgets.so.5
#10 0x00007f0449fa1c38 in QWidget::raise() () at /usr/lib/libQt5Widgets.so.5
#11 0x00007f0449fa8a80 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5
#12 0x00007f0449fab6d5 in QWidget::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5
#13 0x00007f044a06aef8 in QComboBox::showPopup() () at /usr/lib/libQt5Widgets.so.5
#14 0x00007f044a06b555 in () at /usr/lib/libQt5Widgets.so.5
#15 0x00007f0449fac64f in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#16 0x00007f044a067676 in QComboBox::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#17 0x00007f0449f6434c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#18 0x00007f0449f6c8c5 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#19 0x00007f0449282440 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#20 0x00007f0449f6b0cd in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib/libQt5Widgets.so.5
#21 0x00007f0449fc63e6 in () at /usr/lib/libQt5Widgets.so.5
#22 0x00007f0449fc8e03 in () at /usr/lib/libQt5Widgets.so.5
#23 0x00007f0449f6434c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#24 0x00007f0449f6bb61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#25 0x00007f0449282440 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#26 0x00007f04497cfd53 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib/libQt5Gui.so.5
#27 0x00007f04497d18c5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5
#28 0x00007f04497ad44b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#29 0x00007f040ffe7d00 in () at /usr/lib/libQt5WaylandClient.so.5
#30 0x00007f043c65b5a7 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#31 0x00007f043c65b810 in () at /usr/lib/libglib-2.0.so.0
#32 0x00007f043c65b8bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#33 0x00007f04492d704f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#34 0x00007f044928089a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#35 0x00007f044a152917 in QDialog::exec() () at /usr/lib/libQt5Widgets.so.5
#36 0x0000000000405510 in ()
#37 0x00007f04482d7511 in __libc_start_main () at /usr/lib/libc.so.6
#38 0x0000000000406a2a in _start ()

Reported using DrKonqi

First reported to KDE project, they think it is a wayland bug.