Re: Sddm cannot find breeze theme

>
>
> > Note the first 3 lines correspond to what sicarine and I have reported in
> > earlier posts, occurring again under yet different initiating conditions.
> > Apparently KDE does not tolerate the exporting of functions to the
> > environment, or only allows symbols.
> OK, I think we can ignore those lines.  I see them, too but
> Plasma-Wayland comes up just fine.  Can you start Plasma-Wayland at all,
> I mean not using sddm?  To test this, log on in a VT and enter
>
> dbus-launch --exit-with-session $KF6_PREFIX/bin/startplasma
>
> If Plasma does not start, the problem would not be sddm but your Plasma
> (-Wayland) installation.
>
> Rainer
>

Thanks Rainer!!

I can confirm that sicarine was right, in that the GreeterEnvironment value
must be a comma-list only and that no '\' chars are allowed when SDDM
parses the line.
After this correction I was able to determine that SDDM exited properly as
it attempted to start KDE environments in either XWayland or Plasma-Wayland
mode. I have been able to capture about 500 lines of journalctl output from
this point forward in each of these test cases, and I can see that
Plasma-Wayland is not starting correctly when I login as a non-root user,
while XWayland performs correctly. I also have a comparable journalctl log
from my Arch-KDE environment as an added help.

This morning I have started comparing these journal logs to see what stands
out as a problem.
When I saw Rainer's last posted suggestion, I tried the command:
       dbus-launch --exit-with-session $KF6_PREFIX/bin/startplasma-wayland
and discovered that it starts correctly!! when I launch it from the root
account, but fails when I launch it from a non-root account, which is how
SDDM would also launch the plasma session.

I am suspicious that I have something configured in my root account that is
not present in the non-root user accounts. In particular I see complaints
in the journalctl log whenever I launch plasma from SDDM,
kwin_wayland[720]: No backend specified, automatically choosing drm
kwin_wayland[720]: kwin_core: Failed to open drm node: "/dev/dri/card1"
kwin_wayland[720]: kwin_wayland_drm: No suitable DRM devices have been found
This group of log lines repeat several times before startplasma operation
terminates with a failure.


So at this moment /etc/X11/xorg.conf.d/ defines my two monitors correctly,
but something else is causing the error at kwin_wayland[720] for my regular
user account.

If I am looking at the wrong failure, please advise.  Also since the root
account can successfully launch a plasma-wayland session, I would imagine
that
further discussion on this problem of mine should be moved to a new thread.

-dave-

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