Bug 463985 - KWin exit with error `NULL object received on non-nullable type, message set_minimized_geometry(ouuuu)`
Summary: KWin exit with error `NULL object received on non-nullable type, message set_...
Status: RESOLVED DUPLICATE of bug 447717
Alias: None
Product: kwin
Classification: Plasma
Component: wayland-generic (show other bugs)
Version: 5.26.5
Platform: Arch Linux Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2023-01-08 02:10 UTC by northon_patrick3
Modified: 2023-02-02 18:33 UTC (History)
1 user (show)

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Description northon_patrick3 2023-01-08 02:10:31 UTC
SUMMARY
Every now and again, kwin will exit with the following errors as seen in the journal:
```
kwin_wayland_wrapper[1691]: error in client communication (pid 2110)
kwin_wayland_wrapper[1691]: NULL object received on non-nullable type, message set_minimized_geometry(ouuuu)
plasmashell[2110]: wl_display@1: error 1: invalid arguments for org_kde_plasma_window@45.set_minimized_geometry
```
It happens randomly when hovering panels. I've reproduced it on 3 different machines. I'm not sure if it's specifically icons on a task manager but it sure happens a lot.

STEPS TO REPRODUCE
1. Hover a plasma desktop panel.

OBSERVED RESULT
It will sometimes randomly generate that error and exit.

EXPECTED RESULT
Not exit and continue like normal.

SOFTWARE/OS VERSIONS
Linux: Arch Linux
KDE Plasma Version: 5.26.5
KDE Frameworks Version: 5.101.0
Qt Version: 5.15.8

ADDITIONAL INFORMATION
Not sure if related but I get this error whenever a tooltip appear:
`plasmashell[9591]: kf.plasma.quick: Couldn't create KWindowShadow for ToolTipDialog(0x55b5e7a92ca0)`
Comment 1 Vlad Zahorodnii 2023-01-11 11:53:36 UTC
Can you reproduce it when using basic render loop? Type "plasma renderer" in krunner, select "basic" render loop, and restart plasmashell
Comment 2 Vlad Zahorodnii 2023-01-11 12:04:15 UTC
.
Comment 3 northon_patrick3 2023-01-11 13:26:35 UTC
(In reply to Vlad Zahorodnii from comment #1)
> Can you reproduce it when using basic render loop? Type "plasma renderer" in
> krunner, select "basic" render loop, and restart plasmashell

I'll test it out. It's a bit random so it'll take a few days. Also I'll add that it doesn't happen only on icons on a task manager.
Comment 4 northon_patrick3 2023-01-16 13:26:33 UTC
So far I can't reproduce it with the basic renderer loop.
Comment 5 Bug Janitor Service 2023-01-31 05:05:01 UTC
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 6 northon_patrick3 2023-01-31 05:57:51 UTC
Still not happening with basic renderer loop.
Comment 7 Vlad Zahorodnii 2023-02-02 18:33:10 UTC
Great! Then we know what it is. Unfortunately, we cannot fix it in Qt 5 lifetime.. We tried various fixes, but they didn't work. To be fixed with Qt 6. In meanwhile, use basic render loop, but there is a gotcha, see the duplicate bug report.

*** This bug has been marked as a duplicate of bug 447717 ***