On Wed, Jun 05, 2024 at 09:06:41AM +0200, Walter Alejandro Iglesias wrote:
> Running halt -p the machine powers off perfectly but running reboot at
> the last moment in the halt process (screen already turned off) the
> machine does not turn off, it hangs indefinitely, I have to press the
> power button manually to turn it off.

I've also seen this behaviour from time to time on a Thinkpad X260 so the
underlying problem is probably not specific to your machine.