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Re: [PATCH] Add multiboot2 header

From: Almudena Garcia
Subject: Re: [PATCH] Add multiboot2 header
Date: Tue, 7 Sep 2021 19:26:03 +0200

What mattered with this? It was a interesting project

El mar, 9 feb 2021 a las 19:55, Marc Dunivan (<m7173588@gmail.com>) escribió:
Actually, I'm trying from the hard disk. I can boot from the cdrom and
have a working console if I choose "Legacy BIOS" in the bios
options. But I couldn't install Debian GNU/Linux this way, if I recall
correctly, so now I'm trying to keep uefi.

You probably already have addressed this, so you can ignore this.  UEFI support for MBR partitions is quite confusing.

Shouldn't the disk have a GPT partition, not an MBR partition, to boot in UEFI without BIOS legacy mode (Compatibility Support Module)?  Doesn't Secure Boot need to be turned off in the firmware too?  I think Debian is using shim for Secure Boot to work (as the root of trust).  Also, doesn't the EFI System Partition(FAT32) need both the grub-efi file (\EFI\debian\grubia*.efi) and bootloader file (\EFI\boot\boot*.efi)*?--there other options for not having a boot file which are probably being used.


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