FS#72935 - [plasma-desktop 5.23.4-1] task manager window previews not working under wayland

Attached to Project: Arch Linux
Opened by Mel (Mel) - Monday, 06 December 2021, 09:44 GMT
Last edited by Antonio Rojas (arojas) - Thursday, 06 January 2022, 19:05 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Antonio Rojas (arojas)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
Window thumbnails aren't displayed in Icons Only Task manager and Task manager in plasma wayland session

Additional info:
* package version(s)
plasma desktop 5.23.4-1
pipewire 1:0.3.40-1
wireplumber 0.4.5-2
qt5-base 5.15.2+kde+r262-1

* config and/or log files etc.
1. kwin support info
2. excerpt from the journal, generated on hovering taskbar item

* link to upstream bug report, if any
https://bugs.kde.org/show_bug.cgi?id=443719

Steps to reproduce:
Hover over taskbar items, observe no window previews. Taskbar items do have their previews in X11 session.
   kwin_info (6.7 KiB)
   journal excerpt (11.3 KiB)
This task depends upon

Closed by  Antonio Rojas (arojas)
Thursday, 06 January 2022, 19:05 GMT
Reason for closing:  Fixed
Additional comments about closing:  plasma-workspace 5.23.5-2
Comment by Antonio Rojas (arojas) - Monday, 06 December 2021, 10:08 GMT
which pipewire session manager are you using?
Comment by Mel (Mel) - Monday, 06 December 2021, 11:44 GMT
wireplumber

I've also tried using pipewire-media-session with the same result.
Comment by Antonio Rojas (arojas) - Monday, 06 December 2021, 12:41 GMT
What's the output of 'systemctl --user status wireplumber.service'?
Comment by Mel (Mel) - Monday, 06 December 2021, 12:55 GMT
<code>
~ ▶ systemctl --user status wireplumber.service
● wireplumber.service - Multimedia Service Session Manager
Loaded: loaded (/usr/lib/systemd/user/wireplumber.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2021-12-06 20:54:30 PST; 17s ago
Main PID: 1153 (wireplumber)
Tasks: 4 (limit: 38363)
Memory: 11.9M
CPU: 1.227s
CGroup: /user.slice/user-1000.slice/user@1000.service/session.slice/wireplumber.service
└─1153 /usr/bin/wireplumber

Dec 06 20:54:30 bababool systemd[762]: Started Multimedia Service Session Manager.
</code>

edit: I don't know how to do code blocks on archlinux bugtracker, if you could enlighten me, I'd be most appreciative.
Comment by Antonio Rojas (arojas) - Monday, 06 December 2021, 13:05 GMT
Please report a new bug upstream. The one you linked it a gentoo packaging bug which is obviously not your issue.
Comment by Mel (Mel) - Monday, 06 December 2021, 13:17 GMT
Upstream bug report: https://bugs.kde.org/show_bug.cgi?id=446553
Comment by Mel (Mel) - Wednesday, 08 December 2021, 12:43 GMT
This is the relevant upstream bugreport: https://bugs.kde.org/show_bug.cgi?id=446061
"Libtaskmanager's buffer for spa_builder (see https://invent.kde.org/plasma/plasma-workspace/-/blob/master/libtaskmanager/declarative/pipewiresourcestream.cpp#L263) is too small on certain configurations."
Comment by Mel (Mel) - Thursday, 09 December 2021, 02:04 GMT
BTW libtaskmanager is part of plasma-workspace not plasma-desktop

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