Hi!

Geoff - 12.10.24, 10:33:27 MESZ:
> Luc Castermans wrote:
> > after update and booted up i am looking to a fully black screen, with
> > mouse nicely movable. that's it.
> > 
> > could someone share a list of related KDE packages which should be
> > installed?
[…]
> I had to remove the config files from /etc/sddm.conf.d/ as I had the
> same thing. sddm still complains about some theme issue but it does
> work now.

Interesting.

I did not have a fully black screen, however… SDDM does not seem to be 
interested all that much in KDE configuration of theme:

% /etc/sddm.conf.d> cat kde_settings.conf 
[Autologin]
Relogin=false
Session=
User=

[General]
HaltCommand=
RebootCommand=

[Theme]
Current=maldives

[Users]
MaximumUid=60000
MinimumUid=1000

I am definitely not having the maldives theme at the moment.

I prefer it cause it does not display a user icon for each user. I can 
still enter my username, thanks. :)

This config file should have been written out by 6.1.5 sddm kcm for 
Systemsettings. I just removed it and rewrote it with 6.2.0. Looks the 
same.

Needed to first find SDDM config in Systemsettings. It is under
Appearance now. I am quite confused about the recent shuffling around of 
things in Systemsettings. Search function for the rescue!

SDDM is using the Debian theme instead according to "/var/log/sddm.log":

[20:16:15.185] (II) DAEMON: Loading theme configuration from "/usr/share/
sddm/themes/debian-theme/theme.conf"

No error message whatsoever on any failure to load maldives theme which is 
indeed installed.

Funnily enough both Debian and Maldives theme are shown with the same 
background image in Systemsettings. The background image from Maldives 
theme.

Which is not the one SDDM is using for Debian theme. Okay, this is odd:

% /usr/share/sddm/themes/debian-theme> cat metadata.desktop
[SddmGreeterTheme]
Name=Maldives
Description=Maldives Theme
Author=Abdurrahman AVCI
Copyright=(c) 2013, Abdurrahman AVCI
License=CC-BY-SA
Type=sddm-theme
Version=0.1
Website=https://github.com/sddm/sddm
Screenshot=maldives.jpg
MainScript=Main.qml
ConfigFile=theme.conf
TranslationsDirectory=translations
Email=[…]
Theme-Id=maldives
Theme-API=2.0

Ah… that is the reason:

lrwxrwxrwx 1 root root  35 12. Okt 11:19 debian-theme -> /etc/
alternatives/sddm-debian-theme

I do not even had the Debian themes installed so I think it just linked to 
the Maldives theme. Yet SDDM still did not really use that theme. Maybe 
not compatible with newer SDDM version? Above link is after I installed 
all SDDM themes.

So there are two different mechanism for theme selection. The alternatives 
system: update-alternatives --config sddm-debian-theme and Systemsettings. 
This is confusing.

So yeah, maybe good opportunity to check whether things are sound in 
there.

Ah, and while digging for issues I also found a black screen issue with 
amdgpu:

https://github.com/sddm/sddm/issues/1988

But that is firmware related.

I have no issues with Plasma 6.2 on AMD Ryzen 7 PRO 8840U w/ Radeon 780M 
Graphics.

Best,
-- 
Martin


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