It’s just the boot messages. It’s configured to be verbose by default on Arch so it will show you the logs even if everything is working fine. There is a way to hide them: https://wiki.archlinux.org/title/Silent_boot
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Looks like a unusually verbose initramfs. Mixed with some kernel messages.
If you just wanne hide them change the initramsfs tools config to be less verbose and set quiet kernel parameter in your grub config.
i mean the first 17 lines obviously, that appears when i run every os not just arch
In your BIOS enable Intel Software Guard Extension.
Is that just for the very first line or also for all the ACPI errors? I get similar ACPI errors and I don’t think, I have an option to enable Intel Software Guard Extension in my BIOS…