Public bug reported:
On GNOME Wayland, X11 clients running through XWayland sometimes start
auto-repeating a
letter key endlessly (e.g. "rrrrrrrrrrrrrrrrrr") right after they receive
keyboard focus,
until another key (e.g. Esc) is pressed.
It happens when:
- switching to the window (alt-tab or clicking it),
- the window gets focus when opening a file (e.g. LibreOffice Calc finishing
loading a .ods),
- launching an app (seen with FileZilla: "jjjjjjjjjjjj" on open).
The repeated letter is one that was really typed shortly before the focus
change, usually
in the previously focused window. The key is NOT physically stuck: `libinput
debug-events`
recorded every press of that key followed by its release about 0.1-0.2 s later.
So the
release event is lost somewhere between mutter and XWayland, and XWayland keeps
auto-repeating the key.
Affected apps (all X11 / XWayland):
- LibreOffice Calc 26.2.6.3 (Qt6 VCL plugin with QT_QPA_PLATFORM=xcb)
- FileZilla 3 (wxWidgets/GTK3 on X11)
Things that did NOT help:
- Disabling IBus for the affected app (QT_IM_MODULE=compose,
XMODIFIERS=@im=none).
- Changing LibreOffice backend to GTK3 under X11 (GDK_BACKEND=x11).
LibreOffice with GTK3 on native Wayland showed the same symptom before.
Not reproducible on demand; it happens several times a day.
Steps (best approximation):
1. Type in one window (e.g. Firefox, a native Wayland app).
2. Immediately switch focus to an X11 app (LibreOffice Calc or FileZilla), or
have it take
focus while a key is going down/up.
3. The X11 app starts auto-repeating the last typed letter until another key is
pressed.
Expected: no auto-repeat, since the key was released.
System:
- Ubuntu 26.04.1 LTS, GNOME Shell 50.1, Wayland session (no Xorg session
available)
- xwayland 2:24.1.10-1
- mutter 50.1-0ubuntu2.4
- libinput 1.31.1-1ubuntu1.2
- kernel 7.0.0-38-generic
- Keyboard: AT Translated Set 2 keyboard (PS/2), layout xkb 'latam'
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: xwayland 2:24.1.10-1
ProcVersionSignature: Ubuntu 7.0.0-38.38-generic 7.0.14
Uname: Linux 7.0.0-38-generic x86_64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 22 19:57:25 2026
InstallationDate: Installed on 2020-11-21 (2162 days ago)
InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
SourcePackage: xwayland
UpgradeStatus: Upgraded to resolute on 2026-10-09 (13 days ago)
** Affects: xwayland (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2171990
Title:
Key typed just before a focus change keeps auto-repeating in X11
(XWayland) apps until another key is pressed
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xwayland/+bug/2171990/+subscriptions
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
