GNU bug report logs - #30311
efi-less grub install fails

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From: Danny Milosavljevic <dannym <at> scratchpost.org>
To: Mark H Weaver <mhw <at> netris.org>
Cc: Ricardo Wurmus <ricardo.wurmus <at> mdc-berlin.de>, 30311 <at> debbugs.gnu.org
Subject: bug#30311: efi-less grub install fails
Date: Sun, 18 Feb 2018 17:49:22 +0100

[Message part 1 (text/plain, inline)]

Hi Mark,

> This change breaks my mips64el-linux GuixSD system, which is supported
> by GRUB, but where "--target=i386-pc" is obviously not appropriate.  On
> my system I need a different 'target' setting.

A pretty safe workaround is to substitute /sys/firmware/efi by /sys/firmware/non-efi
in ./grub-core/osdep/linux/platform.c for non-efi grub.

See attachment...

> In the rare cases where GRUB fails to detect the target, perhaps we
> could provide a way to specify an explicit GRUB 'target' in the grub
> configuration?

I still think that upstream should fix this bug.  It's silly that we have to
massage grub to not select a target which grub wasn't compiled for - we
patch/configure one part of grub so another part of grub isn't confused.

It's the same package :P

Bootloader configuration is complicated enough already.  In this case I'd rather
grub did the right thing automatically.

[0001-gnu-grub-Make-sure-that-non-EFI-grub-doesn-t-try-to-.patch (text/x-patch, attachment)]

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