Bug 456763

Summary:	Kwin_x11 dolphin window(with it's decoration) gets invisible at random when moving it around.
Product:	[Plasma] kwin	Reporter:	jakubby
Component:	egl	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	normal	CC:	jakubby, kcohar, nate
Priority:	NOR
Version First Reported In:	5.25.3
Target Milestone:	---
Platform:	Arch Linux
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description jakubby 2022-07-15 15:23:48 UTC

SUMMARY
Dolphin window gets invisible.
It still shows up on the task switch list, shows up on the all windows view, shows up in taskbar.
But the window can't be interacted with/is invisible, and can't be bringed back to view in anyway other than replacing kwin with new instance of kwin: kwin_x11 --replace

Doesn't show up on wayland.


STEPS TO REPRODUCE
1. Use your computer, it will eventually happen when you drag around a window, do some other actions, alt+tab around, and use snap to side/corner.


OBSERVED RESULT
Dolphin suddenly becomes invisible.

EXPECTED RESULT
Window gets dragged around.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma:  5.18.10-zen
KDE Plasma Version: 5.25.3
KDE Frameworks Version: 5.96.0
Qt Version: 5.15.5

ADDITIONAL INFORMATION
nvidia-dkms proprietary drivers nvidia 515.

Comment 1 Krešimir Čohar 2022-09-06 11:11:39 UTC

*** Bug 458778 has been marked as a duplicate of this bug. ***

Comment 2 Krešimir Čohar 2022-09-06 11:14:59 UTC

I've experienced this problem too, but with Okular and Chromium.
It seems to happen if I fiddle with the window after snapping it.

I haven't seen this problem in Wayland yet.

Can you please change the importance to Grave? Because this is a pretty bad bug. I've lost work because of this.

Comment 3 Krešimir Čohar 2022-09-07 15:01:10 UTC


*** This bug has been marked as a duplicate of bug 458778 ***