Bug 463045

Summary: Disabling and re-enabling left non-primary screen causes it to become mirrored
Product: [Applications] systemsettings Reporter: Nate Graham <nate>
Component: kcm_kscreenAssignee: kscreen-bugs-null <kscreen-bugs-null>
Status: RESOLVED FIXED    
Severity: normal CC: me, notmart, plasma-bugs-null
Priority: NOR    
Version First Reported In: master   
Target Milestone: ---   
Platform: Other   
OS: Linux   
Latest Commit: https://invent.kde.org/plasma/kscreen/-/commit/c3206f7c4be30927c2a35e9dba2ce59fe05134fa Version Fixed/Implemented In: 5.27
Sentry Crash Report:

Description Nate Graham 2022-12-14 17:39:27 UTC 
Setup:
- git master everything
- Wayland
- Primary screen is 14" 4k 200% scaling
- Secondary is 27" 1080p 100%, connected via HDMI
- Secondary is positioned to the left of the primary


STEPS TO REPRODUCE
1. Disable the secondary and click "Apply"
2. Re-enable the secondary and click "Apply"


OBSERVED RESULT
Secondary screen is mirroring the primary


EXPECTED RESULT
Secondary screen is returned to its former position before disabling it, and remains in extended mode
Comment 1 Marco Martin 2022-12-14 17:40:28 UTC 
can reproduce
Comment 2 Nate Graham 2022-12-14 21:08:37 UTC 
Fixed by Ivan Tkachenko with https://invent.kde.org/plasma/kscreen/-/commit/c3206f7c4be30927c2a35e9dba2ce59fe05134fa in Plasma 5.27!