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Re: [PATCH] Add multiboot2 header

From: Andrea G. Monaco
Subject: Re: [PATCH] Add multiboot2 header
Date: Tue, 09 Feb 2021 16:34:21 +0100

  > Maybe before grub-mkconfig: GRUB_GFXPAYLOAD_LINUX
  > or using e to edit boot configuration and add:
  > https://www.gnu.org/software/grub/manual/grub/grub.html#gfxpayload
  > they say it set the video mode in which Linux is started... but
  > maybe it would apply to Mach too.

I tried, but it doesn't. In fact, Linux doesn't use multiboot, but its
own boot protocol; that's why there are grub commands and variables made
especially for it.

  > before grub-mkconfig... I realize that if you are using a CD
  > image... you don't easily control the grub-mkconfig part.

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.

  > It is when I try to use the module command after the multiboot2
  > command that I get "error: you need to load the kernel first.".

I got the same response after trying "module /hurd/ext2fs.static". Maybe
"multiboot2" loading fails silently. Alas, grub2 messages are very terse
or absent, even when I "set debug=all". Maybe mb2 implementation is
I also tried removing all tags - mb2 info, flags and module alignment,
but not the closing tag - but nothing changed, could you please try it
too Samuel?

Andrea Monaco

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