https://bugs.kde.org/show_bug.cgi?id=513419
Bug ID: 513419
Summary: Plasma Wayland stops receiving any keyboard input in
certain apps
Classification: Plasma
Product: kwin
Version First unspecified
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: input
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
Created attachment 187688
--> https://bugs.kde.org/attachment.cgi?id=187688&action=edit
Journalctl log
Hi!
I am having an issue that has been bothering me too much since the 6.4 release,
and it continued until in the 6.5.4 bugfix update.
Running the Plasma Wayland Session, everything is as expected, except that at
certain times a few applications simply stop receiving any keyboard input
(either from the laptop or from my external usb keyboard). Everything outside
those programs works, the Plasmashell, other apps and the TTY sessions.
The affected windows are still visible and can be normally interacted with
mouse input.
A few observations:
The problem does not occur in the X11 session.
It does not happen on any other Wayland-based tiling WM I tried (Niri and
Hyprland) or Cosmic and Gnome.
It wasn't an issue prior to the 6.0 release.
Not only that, but it isn't exclusive to my distribution (NixOS 26.05). Already
tested on Arch and Fedora 43/Fedora Kinoite 43 and had the same issue.
Doesn't seem to be related to apps running on Xwayland mode (currently the only
xwayland program I have running is the Steam Client, which is unaffected). The
running apps that isn't accepting any keyboard input are a Qt-based WhatsApp
client and Discord/Vesktop, but I've already encountered the same issue with
Brave-browser.
I executed xlsclients to determine any xwayland running program.
I think it isn't related to Nvidia open-kernel modules (I should test it more,
though).
It isn't a kernel issue, tried the default kernel in Fedora and Arch and with
them both the same issue appear.
-----------
Currently, no affected program is Flatpak. But I previously encountered the
issue with ZapZap and Discord installed as Flatpaks.
Running journalctl-r I found no significative error lines, other than the
following which are heavily repeated throughout the log:
plasmashell[2852]: vaExportSurfaceHandle failed
I found the following bug report that seems to describe something slightly
similar to what I am facing, other than the fact the rest of my OS remains
functioning normally, and I have no issue when dealing with the SDDM login
screen.
https://bugs.kde.org/show_bug.cgi?id=511611
-------------
Operating System: NixOS 26.05
KDE Plasma Version: 6.5.4
KDE Frameworks Version: 6.20.0
Qt Version: 6.10.1
Kernel Version: 6.18.0-zen1 (64-bit)
Graphics Platform: Wayland
Processors: 16 × 13th Gen Intel® Core™ i5-13450HX
Memory: 16 GiB of RAM (15,3 GiB usable)
Graphics Processor 1: Intel® Graphics
Graphics Processor 2: NVIDIA GeForce RTX 4050 Laptop GPU
Manufacturer: Dell Inc.
Product Name: Dell G15 5530
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