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From: Marius Bakke <mbakke@fastmail.com>
To: rendaw <7e9wc56emjakcm@s.rendaw.me>,
	"Ludovic Courtès" <ludo@gnu.org>,
	"Gábor Boskovits" <boskovits@gmail.com>
Cc: 35380-done@debbugs.gnu.org
Subject: bug#35380: disk-image fails to install efi grub
Date: Sat, 04 May 2019 16:34:55 +0200	[thread overview]
Message-ID: <87v9yqe19s.fsf@fastmail.com> (raw)
In-Reply-To: <19604964-ad64-bcfe-c052-88573031f914@s.rendaw.me>

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rendaw <7e9wc56emjakcm@s.rendaw.me> writes:

> On 5/4/19 12:10 AM, Marius Bakke wrote:
>> rendaw <7e9wc56emjakcm@s.rendaw.me> writes:
>>
>>> On 5/3/19 7:17 AM, Marius Bakke wrote:
>>>> That means you can't just take an operating system hard drive from one
>>>> EFI system to another.
>>> I'm absolutely not an expert on UEFI, and it's likely I'm
>>> misinterpreting some of the more subtle points you wrote, but do you
>>> have more information on the NVRAM restriction?  I've found a fair
>>> amount of references to making secure boot and UEFI capable media (USB
>>> and CD) around the web so I'm surprised it's not possible to make a
>>> portable UEFI image.  Wouldn't that make it difficult to install UEFI
>>> bootloaders on blank systems?
>> To clarify: "grub-efi" will not work to make a portable UEFI
>> installation.  For that you need "grub-mkstandalone" and place the
>> resulting executable in "/efi/boot/bootx64.efi" on your EFI System
>> Partition, like Guix does for disk images:
>> <https://git.savannah.gnu.org/cgit/guix.git/tree/gnu/build/vm.scm#n399>.
>>
>> It would be nice to make this procedure more generally accessible.
>> Perhaps create a (grub-standalone-bootloader ...) procedure, similar to
>> (grub-efi-bootloader)?   Then it can be used to create portable EFI
>> systems straight from your config.scm.
>>
>> Would you like to give it a go?
> Ah thanks!  I was indeed misunderstanding some of the subtleties in your
> previous post, and thanks for the pointers.  Depending on how
> straightforward it is I might try my hand implementing it, time
> permitting, but it probably wouldn't be for at least a month due to
> other priorities.

Right, no worries!  Improving the EFI support in Guix has been on my
TODO list for a couple of years now, so it's not very urgent ;-)

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      reply	other threads:[~2019-05-04 14:36 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-22 16:06 bug#35380: disk-image fails to install efi grub rendaw
     [not found] ` <handler.35380.B.155594918611499.ack@debbugs.gnu.org>
2019-04-22 17:11   ` bug#35380: Acknowledgement (disk-image fails to install efi grub) rendaw
2019-04-25  8:44 ` bug#35380: disk-image fails to install efi grub Ludovic Courtès
2019-04-25 10:27   ` rendaw
2019-05-01 20:19     ` Ludovic Courtès
2019-05-02  9:05       ` Gábor Boskovits
2019-05-02 15:16         ` Ludovic Courtès
2019-05-02 22:17           ` Marius Bakke
2019-05-03 13:18             ` rendaw
2019-05-03 15:10               ` Marius Bakke
2019-05-04  3:42                 ` rendaw
2019-05-04 14:34                   ` Marius Bakke [this message]

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