Bug 491948

Summary:	Panel freezes/crashes when interacted with
Product:	[Plasma] plasmashell	Reporter:	Rippanda12 <panda>
Component:	Panel	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED UPSTREAM
Severity:	crash	CC:	nate, niccolo.venerandi
Priority:	NOR
Version First Reported In:	6.1.4
Target Milestone:	1.0
Platform:	Arch Linux
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Rippanda12 2024-08-20 18:30:54 UTC

SUMMARY


STEPS TO REPRODUCE
1. Interact with the panel (open any applet or enter edit mode)

OBSERVED RESULT
interacting makes the whole panel and desktop freeze

EXPECTED RESULT
Applet opens/it works normally

SOFTWARE/OS VERSIONS
Linux/KDE Plasma:  BredOS (ArchLinuxARM)
KDE Plasma Version:  6.1.4
KDE Frameworks Version:  6.5.0
Qt Version:  6.7.2

ADDITIONAL INFORMATION
I’m trying to get plasma to work on my device, the device is RK3588S (arm64) based, I’m running BredOS (based on archlinux arm). Happens on both wayland and x11, and both using touch and using mouse
Dmesg log: https://termbin.com/qtbm
journalctl log: https://termbin.com/bsre
inxi output: https://termbin.com/jpxb

I cannot get usefull backtraces or really get it to fail when it does

Comment 1 Nate Graham 2024-08-21 02:08:08 UTC

If you're in hardware bring-up mode, probably a lot of things are going to be broken. It's up to you to figure out how to make stuff work. :) If and when it becomes clear that there's a bug in our code — as opposed to an issue with the configuration, packaging, GPU drivers, etc — we can investigate it.

Comment 2 Rippanda12 2024-08-21 02:35:14 UTC

Everything works under gnome/cinnamon so I'm thinking this is a kde issue, I really have no leads in dmesg there's alot of warnings related to qt/kde stuff so idk, if you have an idea pls let me know

Comment 3 Nate Graham 2024-08-21 03:42:06 UTC

I'm afraid stuff working there isn't relevant because they have a completely different tech stack. Plasma relies much more strongly on graphics drivers working properly, which is a frequent pain point for ARM boards.

Out of curiosity, are you doing this hardware bring-up for a job, or just for fun?

Comment 4 Rippanda12 2024-08-21 04:28:42 UTC

> Plasma relies much more strongly on graphics drivers working properly, which is a frequent pain point for ARM boards.
Understandable but same chip same kernel different device works perfectly fine

> Out of curiosity, are you doing this hardware bring-up for a job, or just for fun?
Both actually mostly fun tho

Comment 5 Rippanda12 2024-08-25 19:34:31 UTC

It seems like its a gpu issue, switching to panthor makes it work but then performance is garbage. Is there anything you guys can do to help me atleast debug the issue, i have no problem on maintaining my own fork of plasma.

Comment 6 Nate Graham 2024-08-29 21:52:03 UTC

What is panthor? A different GPU driver? If so, which one were you using before that triggered the issue?