Re: Still unable to launch plasma-wayland for a non-root account

Am 18.06.25 um 20:39 schrieb dave kohler ([email protected] via
blfs-support Mailing List):
> Moved to a new thread:
> '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.
All I can offer are two long shots:
- log in as "dave" in a VT.  Then, in your home-directory:
  - rm -r .cache/*
  - log out and try to launch a Plasma (-wayland) session

- If that doesn't help:
  - create a new user and try to start Plasma as that user

If none of the above helps, meticulously check whether every step you
took up to and including installing Plasma was in accordance with the
book(s).


Rainer

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