From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: UEFI cannot find partition after guix system reconfigure
Date: Fri, 20 Oct 2017 23:11:04 +0200
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In-Reply-To: <871slxww4d.fsf@gmail.com> (Oleg Pykhalov's message of "Fri, 20
	Oct 2017 20:46:10 +0300")
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To: Oleg Pykhalov <go.wigust@gmail.com>
Cc: help-guix@gnu.org

Hi,

Oleg Pykhalov <go.wigust@gmail.com> skribis:

> I had an issue yesterday.  After 'guix system reconfigure' I couldn't
> boot, because there is no a menu entry in UEFI boot menu.
>
> So, I solved this by following Gentoo wiki article=C2=B9.
>
> Boot with LiveUSB XUbuntu 16.04.  Any distribution that could boot via
> UEFI and provides efibootmgr app will work.
>
> Create new boot menu entry:
>
>     # efibootmgr -c -d /dev/sda -p 1 -L "GuixSD" -l "\EFI\boot\grubx64.ef=
i"
>
> Check created boot menu entry:
>
>     # efibootmgr -v
>
>
> I have a little question.
>
> Does GuixSD overwrite this boot entry with efibootmgr or similar every
> 'guix system reconfigure'?

=E2=80=98guix system reconfigure=E2=80=99 simply runs =E2=80=98grub-install=
=E2=80=99, which is supposed
to do the right thing.  I=E2=80=99ve used UEFI on my laptop since before 0.=
13.0
and it works great.

Did =E2=80=98grub-install=E2=80=99 emit a warning when you reconfigured, so=
mething about
EFI variables?

HTH,
Ludo=E2=80=99.