Bug 486528

Summary:	Desktop icons being mixed sometimes after a reboot
Product:	[Plasma] plasmashell	Reporter:	Dimitri <dimitri.code>
Component:	Desktop icons & Folder View widget	Assignee:	Plasma Bugs List <plasma-bugs>
Status:	RESOLVED DUPLICATE
Severity:	normal	CC:	dimitri.code, hein, kdedev, n2thew, nate
Priority:	NOR
Version:	master
Target Milestone:	1.0
Platform:	Neon
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:
Attachments:	Desktop before one of the bad reboot Desktop after one of the bad reboot, mixed icons

Description Dimitri 2024-05-03 20:03:30 UTC

SUMMARY
I'm on KDE neon and I have icons (folders and shortcuts) on my desktop (desktop set to folder view). I'm doing updates regularly. And sometimes, after a reboot (here I also include shutting down the computer and booting it later), I found all my desktop icons mixed around. Even without having plugging/unplugging any display and not changed any display settings.
I think that the first vertical column (on the left) is less mixed than the rest.
I am not sure if it happen for some updates or just for some random reboot. It is extremely random and it only appear with times, sometimes like 1 in 2 or 3 weeks.

STEPS TO REPRODUCE
1. Being on KDE (KDE neon for me) with icons on the desktop in places you can remember
2. Doing your stuff as usual (maybe doing updates is needed) with regular shut down and boot again, for weeks. Do not plug or unplug any display as it can also produce issues on desktop icons.
3. One day, when booting your computer, you randomly found out your icons mixed on the desktop

OBSERVED RESULT
Icons are mixed at random at a random boot (or maybe during a random shutdown).

EXPECTED RESULT
Desktop icons should never move around by themself if we are not plugging or unplugging display or changing resolution or desktop zoom. (Issues coming with others display or change in display settings are not included in this bug.)

SOFTWARE/OS VERSIONS
Operating System: KDE neon 6.0
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.1.0
Qt Version: 6.7.0
Kernel Version: 6.5.0-28-generic (64-bit)
Graphics Platform: Wayland

ADDITIONAL INFORMATION
I'm translating myself settings to English without putting my hole computer to English, so words I'm using could be not the exact ones.

Here is more info about my desktop settings in case some of them helps :
in general :
- Folder view (the grid view) instead of desktop view
- Diaporama/Slide show, which change the wallpaper
in places :
- Desktop folder (the first and probably default option)
in icons :
- order from top to bottom, put on left
- icons not locked on place
- Manual ordering
- Zoom on 2 : [0, 1, (2), 3, 4, 5, 6]
- entitled : short
- lines of text : 2

Comment 1 Dimitri 2024-05-03 20:12:09 UTC

Created attachment 169157 [details]
Desktop before one of the bad reboot

As the bug started annoying my with all the time it had happen to me, I wanted to show it clearly.
I have prepared my desktop for this bug by putting colored folder in a clear layout. With that layout, the way icons are moved would (I was thinking) be more understandable.
It remained like this for a week without any display change (no screen plug or unplugged from the laptop, no display setting changed, and even no icons being added to the desktop) until the bug appeared.

Comment 2 Dimitri 2024-05-03 20:18:45 UTC

Created attachment 169159 [details]
Desktop after one of the bad reboot, mixed icons

Here is what I got after one week : icons mixed.

I am not really sure if a small update happen just before that but if it was the case it was an extremely small update (I know it's less than 5 system packets).
I have used, boot and shutdown, my computer every days. Nothing has suggested that it was this day that the bug reappeared.

Comment 3 Dimitri 2024-05-03 20:29:25 UTC

It may be hard to fix. Sorry for that.
But I thought it was better to report it anyway.

Comment 4 Nate Graham 2024-05-03 20:53:09 UTC

Unfortunately this is a known issue at this point in time. The positioning code is just super buggy and probably needs a total rewrite, with all behaviors guarded by autotests.

Comment 5 Dimitri 2024-05-04 07:41:58 UTC

(In reply to Nate Graham from comment #4)
> Unfortunately this is a known issue at this point in time. The positioning
> code is just super buggy and probably needs a total rewrite, with all
> behaviors guarded by autotests.
Ok, thanks for the precision.

Comment 6 TraceyC 2024-07-31 23:38:00 UTC

There are multiple bug reports about this behavior. I'm using 468546 as the main bug report.

*** This bug has been marked as a duplicate of bug 468546 ***