Application: ibus-ui-emojier-plasma (5.18.5)

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.4.0-37-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I've tried opening it through the "start" menu and using the keyboard shortcut (Super + .). Both instances cause the application to crash when trying to open it.

- Custom settings of the application:

The crash can be reproduced every time.

-- Backtrace:
Application: Emoji Picker (ibus-ui-emojier-plasma), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2c1e7c7900 (LWP 334725))]

Thread 4 (Thread 0x7f2c16dee700 (LWP 334732)):
#0  0x00007f2c2219a96f in __GI___poll (fds=0x7f2c080025e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2c242061ae in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2c242062e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2c22736583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f2c226dd4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2c22515785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2c23b271a9 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f2c225169d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2c21e7c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f2c221a7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f2c17fff700 (LWP 334731)):
#0  0x00007f2c2219a96f in __GI___poll (fds=0x7f2c100029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2c242061ae in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2c242062e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2c22736583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f2c226dd4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2c22515785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2c2186cefa in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f2c225169d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2c21e7c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f2c221a7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f2c1d912700 (LWP 334730)):
#0  0x00007f2c2219a96f in __GI___poll (fds=0x7f2c1d911ba8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2c20e3bc1a in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f2c20e3d90a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f2c1e11d298 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f2c225169d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2c21e7c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f2c221a7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f2c1e7c7900 (LWP 334725)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#7  0x00007f2c220aa859 in __GI_abort () at abort.c:79
#8  0x00007f2c224ddaad in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f2c23e78065 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f2c23e79157 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f2c23e79a1d in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f2c22ad29ad in QWindow::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f2c23efb159 in QQuickWindow::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f2c230f6a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f2c231000f0 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f2c226de93a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f2c22ac8de6 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007f2c22ac9014 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007f2c22aa335b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007f2c1e11e32e in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#21 0x00007f2c24205fbd in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f2c24206240 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f2c242062e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f2c22736565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f2c226dd4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f2c226e5246 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00005590739ddd6b in  ()
#28 0x00007f2c220ac0b3 in __libc_start_main (main=0x5590739dd660, argc=1, argv=0x7ffc905acce8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc905accd8) at ../csu/libc-start.c:308
#29 0x00005590739dde3e in _start ()
[Inferior 1 (process 334725) detached]

Possible duplicates by query: bug 423222, bug 422433, bug 421576, bug 420414, bug 419798.

Report to https://bugs.kde.org/