Plymouth stopped showing up in NixOS 25.11

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1

I’ve been using this plymouth configuration for 8 months happily.

Now, with NixOS 25.11, it stopped working.

Do you have any ideas on why that could happen? Or how could I diagnose it?

Thanks!

2

What “stopped working”?

3

I noticed that too.
But every now and then I see it again when booting up, so I suspect a race condition.

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4

Well, I see the infamous systemd boot logs, instead of a nice boot splash screen. The LUKS password prompt is also text-based.

5

I also happened to see Plymouth on my last reboot. Indeed it is a bit random. :confused:

6

Mind trying boot.initrd.systemd.enable?

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7

It’s enabled already.

8

Anyone manage to resolve this? Can observe “Started show Plymouth Boot screen” in the logs yet the pass entry is text-based as reported by the OP. Suspecting they’re seeing the same issue as mine - which is a fresh install.

9

I think it has something to do with the luks password prompt, there seems to be some kind of race condition. Sometimes it displays correctly again for me, but then it’s missing again after the next reboot.

I haven’t been able to find a reliable solution yet.