Bug#1135731: does not boot on raspberry pi 4 (grub_memcpy not found)

[Steve McIntyre]

On Wed, May 06, 2026 at 02:06:59PM +0200, Marc Haber wrote:
>On Tue, May 05, 2026 at 01:32:17PM +0200, Pascal Hambourg wrote:
>> On 05/05/2026 at 12:34, Steve McIntyre wrote:
>> Without EFI variables, only the removable media path can be used.
>> 
>> If U-Boot loads GRUB from the EFI partition removable media path, it
>> means the copy of GRUB core image in /boot/efi/EFI/BOOT/ was not updated
>> after upgrading to the new GRUB version.
>
>That is the case.
>
>$ sudo ls -lR /boot/efi/EFI/
>/boot/efi/EFI/:
>total 8
>drwxr-xr-x 2 root root 4096 May  5  2026 BOOT
>drwxr-xr-x 2 root root 4096 May  5  2026 debian
>
>/boot/efi/EFI/BOOT:
>total 148
>-rwxr-xr-x 1 root root 151552 May  5  2026 BOOTAA64.EFI
>
>/boot/efi/EFI/debian:
>total 5088
>-rwxr-xr-x 1 root root     110 Mar 23 13:37 BOOTAA64.CSV
>-rwxr-xr-x 1 root root  124920 Mar 23 13:37 fbaa64.efi
>-rwxr-xr-x 1 root root     121 Mar 23 13:37 grub.cfg
>-rwxr-xr-x 1 root root 3126720 Mar 23 13:37 grubaa64.efi
>-rwxr-xr-x 1 root root  953040 Mar 23 13:37 mmaa64.efi
>-rwxr-xr-x 1 root root  987432 Mar 23 13:37 shimaa64.efi
>
>None of those files get updated when upgrading to grub 2.14 and doing
>grub-install.
>
>> It should be updated automatically if grub2/force_efi_extra_removable is
>> set to 'false' in debconf. You can check with

Ummm, that should be "true".

>> debconf-show grub-efi-arm64
>
>$ debconf-show grub-efi-arm64
>  grub2/force_efi_extra_removable: false
>  grub2/linux_cmdline:
>  grub2/kfreebsd_cmdline:
>  grub2/kfreebsd_cmdline_default: quiet
>  grub2/linux_cmdline_default: quiet
>  grub2/update_nvram: true
>  grub2/enable_os_prober: false

so this won't be working.

>btw, this is a debian live arm64 image that Roland Clobus helped me build on
>Mini Debconf Hamburg.

Sorry, I can't parse that - are you running the live image itself and
expecting it to update things, or have you *installed* from the live image?

-- 
Steve McIntyre, Cambridge, UK.                                steve at einval.com
Can't keep my eyes from the circling sky,
Tongue-tied & twisted, Just an earth-bound misfit, I...