Bug 428273

Summary: Panel glitch when auto hide on dual monitor right side only
Product: [Plasma] plasmashell Reporter: Franco Pellegrini <francogpellegrini>
Component: PanelAssignee: Plasma Bugs List <plasma-bugs>
Severity: normal CC: justin.zobel, kyle, nate
Priority: NOR    
Version: 5.20.2   
Target Milestone: 1.0   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Franco Pellegrini 2020-10-26 14:14:28 UTC
Using dual monitors, Panels located on the right side of the left screen, with auto-hide feature, does not hide and become graphically glitchy 

1. setup a dual monitor
2. in the left monitor, create a panel
3. move it to the right side of the monitor.
4. configure it as auto - hide

the panel try to hide but appear again several times

the panel to hide

Sistema operativo: KDE neon 5.20
Versión de KDE Plasma: 5.20.1
Versión de KDE Frameworks: 5.75.0
Versión de Qt: 5.15.0
Versión del kernel: 5.4.0-52-generic
Tipo de OS: 64 bits
Procesadores: 6 × Intel® Core™ i5-8400 CPU @ 2.80GHz
Memoria: 22,9 GiB de RAM
Procesador gráfico: Mesa Intel® UHD Graphics 630
Comment 1 Justin Zobel 2020-10-27 00:19:13 UTC
Confirmed on KDE Neon Unstable.
Comment 2 Franco Pellegrini 2020-10-28 09:27:39 UTC
also , the same panel  start to flick  a lot at login
Comment 3 kyle 2022-08-06 19:34:09 UTC
This still seems to be happening.
I can confirm it happens on a monitor border where there's another monitor.
It seems to hide but then immediately shows again, and when it times out and hides. it repeats the same thing.
Comment 4 kyle 2022-08-06 19:39:40 UTC
Additional update. This seems to be the thrown error message:
kwin_x11[58678]: kwin_core: XCB error: 3 (BadWindow), sequence: 3849, resource id: 29362604, major code: 129 (SHAPE), minor code: 6 (Input)
kwin_x11[58678]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 3850, resource id: 29362604, major code: 2 (ChangeWindowAttributes), minor code: 0
Comment 5 Nate Graham 2023-09-18 17:23:47 UTC

*** This bug has been marked as a duplicate of bug 351175 ***