Bug 454394

Summary:	moving applets/widgets freezes plasma for some time
Product:	[Plasma] plasmashell	Reporter:	Matej Starc <matej.starc>
Component:	Panel	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED WORKSFORME
Severity:	normal	CC:	nate, niccolo.venerandi
Priority:	NOR
Version First Reported In:	5.24.90
Target Milestone:	1.0
Platform:	Arch Linux
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Matej Starc 2022-05-25 12:55:09 UTC

SUMMARY
When moving applets/widgets in the panel, it starts lagging (animation is very slow and everything else freezes) like there is a sleep method is executed in the main thread.


STEPS TO REPRODUCE
1. Move a widget outside the plasma panel.
2. Reopen edit mode.
3. Try putting the same widget back into the panel.

OBSERVED RESULT
System freezes, lags.

Operating System: Arch Linux
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.94.0
Qt Version: 5.15.4
Kernel Version: 5.17.9-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 12 × Intel® Core™ i7-8700 CPU @ 3.20GHz
Memory: 15.5 GiB of RAM
Graphics Processor: AMD Radeon RX 480 Graphics

ADDITIONAL INFORMATION: https://cloud.aljaxus.eu/index.php/s/2yRAS23wHk378b9

Comment 1 Matej Starc 2022-05-25 12:58:43 UTC

And another vid: https://cloud.aljaxus.eu/index.php/s/JW6fM9j4DeWNwkk

Comment 2 Nate Graham 2022-05-25 15:43:59 UTC

Can you upgrade to the Plasma 5.25 beta and see if the issue is fixed in that release? We did a lot of code cleanup for the panel.

Comment 3 Matej Starc 2022-05-27 20:09:48 UTC

(In reply to Nate Graham from comment #2)
> Can you upgrade to the Plasma 5.25 beta and see if the issue is fixed in
> that release? We did a lot of code cleanup for the panel.

The bug is still present, although it's not as bad as before.

Comment 4 Nate Graham 2022-05-27 20:11:41 UTC

OK, thanks.

Comment 5 Nate Graham 2024-08-28 03:55:47 UTC

Is it still happening in any releases of Plasma 6?

Comment 6 Bug Janitor Service 2024-09-12 03:47:03 UTC

🐛🧹 ⚠️ This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information, then set the bug status to REPORTED. If there is no change for at least 30 days, it will be automatically closed as RESOLVED WORKSFORME.

For more information about our bug triaging procedures, please read https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging.

Thank you for helping us make KDE software even better for everyone!

Comment 7 Bug Janitor Service 2024-09-27 03:47:28 UTC

🐛🧹 This bug has been in NEEDSINFO status with no change for at least 30 days. Closing as RESOLVED WORKSFORME.