https://bugs.kde.org/show_bug.cgi?id=470482
Bug ID: 470482
Summary: Keyboard focus deflecting after first keypress, 10-20
minutes into session, with some XWayland software
Classification: Plasma
Product: kwin
Version: 5.27.2
Platform: Debian testing
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: disso-peach@fedora.email
Target Milestone: ---
SUMMARY
***
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STEPS TO REPRODUCE
1. Open affected software (Renoise in this case)
2. Use for at least 10 minutes, saving modules frequently. Less time is needed
if any Electron wrapper application is running (for some reason?)
3. Attempt to input notes on the tracker matrix
OBSERVED RESULT
One keypress is registered, then keyboard focus is deflected away from Renoise.
No idea where it goes. Clicking re-latches it. Renoise does not indicate that
the focus has gone elsewhere in Renoise.
EXPECTED RESULT
Keyboard focus remains persistent on Renoise, allowing the software to be used.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: Devuan GNU/Linux (also observed in Arch Linux and Debian
Stable)
(available in About System)
KDE Plasma Version: 5.27.2 (observed as old as 5.7, untested prior)
KDE Frameworks Version:
Qt Version: 5
ADDITIONAL INFORMATION
Observed consistently in KWin wayland sessions for the majority of the history
of the history of KWin as a wayland compositor, when using Renoise. Previously
seen in Ferdi as well, seems to have been fixed their-end as of the fork to
Ferdium. Issue does not present in KWin X11 sessions, nor any other wayland
compositor (ruling out a Renoise issue). Issue has been final blocking item to
using Plasma in Wayland for multiple years for myself and I had wrongly assumed
that it would have already been reported.
Bug is more likely to happen quickly if the session has been running for at
least four hours, but is always a "matter-of-time" subject, and not a
"will-it-happen" subject. Longest I have been able to continually use Renoise
for in a Plasma 5 wayland session was 25 minutes, directly after boot and going
straight into Renoise. Shortest was 10 seconds, 5 days after boot.
If relevant, this has been observed using locally-built from-git mesa on AMD
graphics hardware using the amdgpu and radeonsi driver set. This has not been
tested with distro mesa on debian or devuan, but was present with distro mesa
on arch linux. This has been tested with only one keyboard, which presents one
keyboard, two mice, and one controller device, to the operating system. These
are mentioned due to feasibility that this bug may be of the "distant
ramifications" sort.
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