Quack,

On 2026-02-28 17:45, Helmut Grohne wrote:

debvm-create -o greetd.debvm -r unstable -- --include=foot,greetd,libpam-systemd,linux-image-amd64,sway --hook-dir=/usr/share/mmdebstrap/hooks/useradd
debvm-run -i greetd.debvm -g

I did not know this tool, very handy and the setup is fast :-).

In the minimal example (compared to the physical system I earlier
tried), I am not seeing much going on after greetd is being started. I
tried adding After=basic.target, but even that did not reliably fix it.
Thanks for insisting to dig deeper as my naive workaround evidently is
insufficient.

With or without After=basic.target I was not once able to get it to work.

| 00:00:00.003 [ERROR] [wlr] [backend/session/session.c:331] Failed to open device '/dev/dri/card0': Resource temporarily unavailable

I was able to get the error with a quick screenshot (attached).

Any further ideas for debugging?

It looks like this problem:
  https://github.com/systemd/systemd/issues/25408
Unfortunately there is no clear solution in this ticket or around.

I need to dig more into it.

Regards.
\_o<

--
Marc Dequènes

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