Bug 489589

Summary:	External monitors are not recognized until kwin is restarted
Product:	[Plasma] kwin	Reporter:	aronkvh
Component:	multi-screen	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED FIXED
Severity:	normal	CC:	nate, xaver.hugl
Priority:	NOR	Keywords:	multiscreen
Version First Reported In:	6.1.1
Target Milestone:	---
Platform:	Other
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:	Plasma 6.3.0 or earlier
Sentry Crash Report:

Description aronkvh 2024-07-02 09:44:25 UTC

SUMMARY
If I connect a monitor, Plasma doesn't recognize it until I run kwin_wayland --replace.

STEPS TO REPRODUCE
1. Log in to Plasma
2. Connect an external monitor
3. Turn on the monitor
4. Try unplugging and reconnecting it several times
5. The monitor doesn't show up in settings and isn't connected
6. Run kwin_wayland --replace
7. The screen is automatically connected

Operating System: openSUSE Tumbleweed 20240629
KDE Plasma Version: 6.1.1
KDE Frameworks Version: 6.3.0
Qt Version: 6.7.2
Kernel Version: 6.9.7-1-default (64-bit)
Graphics Platform: Wayland
Graphics Processor: Mesa Intel® Graphics
Manufacturer: SLIMBOOK
Product Name: HERO-RPL-RTX

Comment 1 Nate Graham 2024-07-03 23:01:34 UTC

Does this happen in a new clean user account as well?

Comment 2 aronkvh 2024-07-06 12:03:38 UTC

(In reply to Nate Graham from comment #1)
> Does this happen in a new clean user account as well?

It doesn't seem to happen on a new account, and it doesn't happen every time on my main account either, just almost every time

Comment 3 Bug Janitor Service 2024-07-21 03:46:22 UTC Comment hidden (spam)

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 4 Nate Graham 2024-07-22 20:44:37 UTC

If you move aside your user account's ~/.local/share/kscreen folder and reboot, does it stop happening?

Comment 5 aronkvh 2024-07-23 10:01:39 UTC

(In reply to Nate Graham from comment #4)
> If you move aside your user account's ~/.local/share/kscreen folder and
> reboot, does it stop happening?

It's still happening

Comment 6 Nate Graham 2024-07-23 14:11:12 UTC

Thanks. How strange.

Comment 7 aronkvh 2025-05-28 20:56:09 UTC

Fwiw, this doesn't happen on Fedora 42, should I close it?

Comment 8 Nate Graham 2025-05-28 21:23:00 UTC

Yep!