https://bugs.kde.org/show_bug.cgi?id=449163
Robert <robertpaulrush+li...@gmail.com> changed:
What |Removed |Added
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CC| |robertpaulrush+linux@gmail.
| |com
--- Comment #63 from Robert <robertpaulrush+li...@gmail.com> ---
I have also been experiencing this bug, and it seemed to be happening on its
own after random time intervals but I managed to get it to happen consistently
and immediately. It's possible this comment should be a new/separate bug with
the same behavior, but I think it's very possible people are not actually doing
NOTHING until the taskbar becomes unresponsive. I personally did not observe
the taskbar freezing if I truly did nothing with the computer.
Providing additional steps to reproduce that may lead to a fix:
STEPS TO REPRODUCE
1. Boot into Plasma Desktop under Wayland.
2. Right click task manager -> Configure icons-only task manager -> Icons-only
task manager settings -> Behavior.
3. Set "Group" to "by program name".
4. Enable "Mouse wheel cycles through tasks", apply if needed.
5. Open multiple windows of any one application that supports multiple windows
(I tried this separately with Firefox, Dolphin, and Konsole).
6. Position the cursor over the icon in the icons-only task manager for that
application.
7. Use the mouse wheel to cycle between open windows of that application.
8. Notice the unresponsiveness of the panel.
Using the mouse wheel to switch between open windows consistently and
immediately (or within a few seconds) renders the panel unresponsive.
Sometimes, changing the grouping or mouse wheel scroll settings in task manager
settings and applying will also cause this behavior.
For me at least, this bug is tied directly to "mouse wheel: cycles through
tasks" for programs "grouped: by program name" in the icons-only task manager.
Using Latte-dock instead may be a temporary workaround for some.
Can anyone confirm if they were experiencing this bug when doing absolutely
nothing at all, just leaving the computer idle for x amount of time? Are you
also able to reproduce with the steps provided / is it applicable to you?
I would look into fixing this myself, but I'm not experienced with OS, Kernel,
or Desktop development so it would take me a WHILE to find the source code,
branch and parse through the source code, learn the appropriate language(s),
set up a testing environment, fix it on my end, and push/request merge the fix.
Hopefully this helps someone on the KDE team close this bug.
PS: please go easy on me, this is my first comment here so I might not know
this specific group's standards.
RELATED NOTES
* Steps 2-4 may be default settings, which could also explain why the issue is
so pervasive.
* Scrolling just on the taskbar to cycle through all windows does not produce
the result, it is only when hovering over a grouped icon which limits the cycle
to a single application.
* Clicking to cycle also does NOT produce the result, only scrolling.
* I saw somewhere that it could be tied to virtual desktops or other widgets,
but none were the case for me.
* Seems to be an issue across distros, KDE versions, AMD and Intel CPUs, and
AMD and NVidia graphics cards.
* Linking a related Reddit thread with more people experiencing this issue. It
does not have this insight, but has a good summary from KDE ruling things out:
https://www.reddit.com/r/kde/comments/snhb2c/kde_panel_plasma_frozen_what_to_try/
* The task manager will generally still open a program if you click on the
icon, even though visually it is unresponsive.
Since it's not listed here, I'm generally running the following command to
reset the taskbar, which may have different behavior from `plasmashell
--replace` but there seem to be variations of a similar thing:
```
systemctl --user restart plasma-plasmashell.service
```
ABOUT THIS SYSTEM
Operating System: openSUSE Tumbleweed 20230902
KDE Plasma Version: 5.27.7
KDE Frameworks Version: 5.109.0
Qt Version: 5.15.10
Kernel Version: 6.4.11-1-default (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 3600X 6-Core Processor
Memory: 15.5 GiB of RAM
Graphics Processor: NVIDIA GeForce RTX 2070 SUPER/PCIe/SSE2
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