Application Launcher sometimes won't open on Fedora KDE Spin Wayland

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1

Sometimes when when i start clicking the application launcher logo on the task bar, the Application Launcher won’t show.

Here’s the video showing the bug:
https://youtu.be/bfE10olrwu8

As you can see sometimes it opens, sometimes not.

How to fix?

System Specs

----------------- 
OS: Fedora Linux 36 (KDE Plasma) x86_64 
Kernel: 5.18.9-200.fc36.x86_64 
Shell: bash 5.1.16 
Resolution: 1920x1080 
DE: Plasma 5.25.2 
WM: kwin 
Theme: [Plasma], Adwaita [GTK2] 
Icons: [Plasma], breeze-dark [GTK2/3] 
Terminal: konsole 
CPU: Intel i5-2500 (4) @ 3.700GHz 
GPU: NVIDIA GeForce GTX 750 Ti 
Memory: 3672MiB / 15732MiB

The journalctl logs for the minute when the bug is happening

Jul 06 10:21:00 fedora plasmashell[12939]: qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
Jul 06 10:21:00 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:00 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:00 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:00 fedora plasmashell[12939]: qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
Jul 06 10:21:00 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:00 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:00 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:01 fedora plasmashell[12939]: qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
Jul 06 10:21:01 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:01 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:01 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:01 fedora env[13852]: [2022-07-06 10:21:01.918] [13973] (device_info_linux.cc:45): NumberOfDevices
Jul 06 10:21:01 fedora env[13852]: [2022-07-06 10:21:01.974] [13973] (device_info_linux.cc:45): NumberOfDevices
Jul 06 10:21:01 fedora env[13852]: [2022-07-06 10:21:01.976] [13973] (device_info_linux.cc:78): GetDeviceName
Jul 06 10:21:02 fedora plasmashell[12939]: qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
Jul 06 10:21:02 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:02 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:02 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:03 fedora plasmashell[12939]: qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
Jul 06 10:21:03 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:03 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:03 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:04 fedora plasmashell[12939]: qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
Jul 06 10:21:04 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:04 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:04 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:04 fedora env[13852]: [2022-07-06 10:21:04.981] [13973] (device_info_linux.cc:45): NumberOfDevices
Jul 06 10:21:05 fedora env[13852]: [2022-07-06 10:21:05.037] [13973] (device_info_linux.cc:45): NumberOfDevices
Jul 06 10:21:05 fedora env[13852]: [2022-07-06 10:21:05.039] [13973] (device_info_linux.cc:78): GetDeviceName
Jul 06 10:21:05 fedora plasmashell[12939]: qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
Jul 06 10:21:05 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:05 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:05 fedora plasmashell[12939]: kf.plasma.quick: Couldn't create KWindowShadow for PlasmaQuick::Dialog_QML_231(0x55e815459730, name="popupWindow")
Jul 06 10:21:08 fedora env[13852]: [2022-07-06 10:21:08.044] [13973] (device_info_linux.cc:45): NumberOfDevices
Jul 06 10:21:08 fedora env[13852]: [2022-07-06 10:21:08.101] [13973] (device_info_linux.cc:45): NumberOfDevices
Jul 06 10:21:08 fedora env[13852]: [2022-07-06 10:21:08.103] [13973] (device_info_linux.cc:78): GetDeviceName
Jul 06 10:21:11 fedora env[13852]: [2022-07-06 10:21:11.108] [13973] (device_info_linux.cc:45): NumberOfDevices
Jul 06 10:21:11 fedora env[13852]: [2022-07-06 10:21:11.165] [13973] (device_info_linux.cc:45): NumberOfDevices
Jul 06 10:21:11 fedora env[13852]: [2022-07-06 10:21:11.167] [13973] (device_info_linux.cc:78): GetDeviceName
Jul 06 10:21:14 fedora env[13852]: [2022-07-06 10:21:14.172] [13973] (device_info_linux.cc:45): NumberOfDevices
Jul 06 10:21:14 fedora env[13852]: [2022-07-06 10:21:14.229] [13973] (device_info_linux.cc:45): NumberOfDevices
Jul 06 10:21:14 fedora env[13852]: [2022-07-06 10:21:14.231] [13973] (device_info_linux.cc:78): GetDeviceName
Jul 06 10:21:14 fedora systemd[12790]: Started app-org.kde.konsole-549ab05a226540119566c13e33d4b413.scope - Konsole - Terminal.
Jul 06 10:21:17 fedora env[13852]: [2022-07-06 10:21:17.236] [13973] (device_info_linux.cc:45): NumberOfDevices
2

This seems related. We’ll just have to wait for it to be resolved.

2 Likes
3

I seem to have the same or very similar issue.

I’ve been using X-org, because Wayland didn’t work well with my Nvidia drivers.
Every month or so I would log in to Wayland to see whether it’s usable. Last months notable problems were: not going to sleep (waking up after a few seconds - 2-3 months ago), some apps very slow (month or so ago) and now it really seems usable just this issue…

Anyway after waking up from sleep there is no way I can get the launcher to launch in any way like switching activities, editing panels etc…