Bug 429081

Summary:	Systemd startup : When enabled wayland loses task switching feature.
Product:	[Plasma] kwin	Reporter:	Tony <jodr666>
Component:	wayland-generic	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED FIXED
Severity:	normal	CC:	ahiemstra, herzenschein, kde, nate, null, plasma-bugs-null
Priority:	NOR
Version First Reported In:	5.20.3
Target Milestone:	---
Platform:	openSUSE
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:	5.21
Sentry Crash Report:
Attachments:	KDE wayland compositor #1

Description Tony 2020-11-14 09:16:06 UTC

Created attachment 133323 [details]
KDE wayland compositor #1

After enabeling it and logging into a wayland session you get a window as seen in the attactment. Said window will eventually close itself and when it happens is not possible to switch between tasks/windows with ALT+Tab, even after runniing plasmashell --replace.

There are no dumps from it and from the journal the only thing out of the ordinaty i see, although i have no idea if related to this, is :

ov 14 05:11:56 vm polkit-kde-authentication-agent-1[2761]: Authentication agent result: true
nov 14 05:12:01 vm systemd[1120]: plasma-polkit-agent.service: start operation timed out. Terminating.
nov 14 05:12:01 vm systemd[1120]: plasma-polkit-agent.service: Failed with result 'timeout'.
░░ Subject: Unit failed
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel
░░ 
░░ The unit UNIT has entered the 'failed' state with result 'timeout'.
nov 14 05:12:01 vm systemd[1120]: Failed to start KDE PolicyKit Authentication Agent.

Comment 1 Thiago Sueto 2020-11-21 21:19:40 UTC

I can confirm this.

The window shown in the attachment seems to be a nested KWin window, and Alt+Tab stops working after said window is closed.

Comment 2 David Edmundson 2021-02-09 21:41:44 UTC

Can you reconfirm please. 

There's been some changes

Comment 3 Thiago Sueto 2021-02-09 21:50:03 UTC

I can no longer reproduce this on master ever since that nested KWin window bug got fixed. Alt+Tab works as expected now.

Comment 4 Nate Graham 2021-02-09 21:58:41 UTC

Yay! Thanks.