Tiny_power_button kernel module causing confusion

The most recent nixos-rebuild on my laptop had me confused because all of a sudden the power key would shut it down, even though prior to the rebuild it would be ignored as per my systemd.logind.settings.Login.HandlePowerKey = "ignore" setting Logs showed SIGRTMIN+4 was sent, quick search turned up CONFIG_ACPI_TINY_POWER_BUTTON_SIGNAL , and hey it’s set to 38 AKA SIGRTMIN+4 in my kernel config. I unloaded the tiny_power_button module, blacklisted it, everything is normal again Seems like this ...