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List:       fedora-list
Subject:    Re: Stuck at grub prompt after reordering partitions
From:       Go Canes <letsgonhlcanes0 () gmail ! com>
Date:       2024-04-21 16:34:07
Message-ID: CAJs_wiUapeZGAVxf6H-ywfnGna0P03GfzB2-viLEe+DimQ3ACA () mail ! gmail ! com
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On Sun, Apr 21, 2024 at 12:15 PM Klaus-Peter Schrage via users
<users@lists.fedoraproject.org> wrote:
>
> Am 20.04.24 um 23:16 schrieb George N. White III:
> > I assume you can still boot with manual grub commands.
> Yes, linux ..., initrd ..., boot
> or: >configfile (hd0,1)/grub2/grub.cfg
> which immediately brings back the grub menu.

So this suggests the EFI grub.cfg is found and loaded, but it doesn't
find /boot/grub2/grub.cfg

> What I found: If I write the "real" grub.conf directly to the efi
> partition (*|grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg), then I
> boot to the grub menu as desired (I have read in the fedora wiki that I
> should refrain from this ...).

So if you can EFI grub.cfg correct, /boot/grub2/grub.cfg should be OK

> So the errors seems to be in this file
> /boot/efi/EFI/fedora/grub.cfg:
>     search --no-floppy --root-dev-only --fs-uuid --set=dev
>     206c0b5f-eddf-42e8-96f1-e666c5635cd0
>     set prefix=($dev)/grub2
>     export $prefix
>     configfile $prefix/grub.cfg

Mine is:
search --no-floppy --fs-uuid --set=dev c5f18a2c-ee16-454e-b85d-6d7f03b86532
set prefix=($dev)/grub2
export $prefix
configfile $prefix/grub.cfg

Note the difference in the "search" line.  Mine does not have the
--root-dev-only argument.  Other than that they appear to be the same
(other than the UUID of course),  Try editing that out?

After that I think you are deeper into grub2 than my experience goes.
I.e., is $dev getting set correctly? etc.

Another thought, though a longshot.....  Make sure the EFI grub.cfg
has proper line terminators?  I have no idea if grub cares, but mine
has Unix-standard LF.  But I'm wondering if you have CR-LF, maybe it
treats the CR as part of the UUID?  Which then causes it to not find
the UUID?
--
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