BOOTX64.EFI padding

Michael Sierchio kudzu at
Wed Dec 23 05:45:14 UTC 2020

Sorry, this may not be relevant, but what partition scheme?

On Tue, Dec 22, 2020 at 8:19 PM Victor Sudakov <vas at> wrote:

> Dear Colleagues,
>  From reading uefi(8) one can make the conclusion that boot1.efi is
> *the* binary which is put to the EFI partition as BOOTx64.efi.
> However when I examine the files /boot/boot1.efi and
> /mnt/efi/boot/BOOTx64.efi (or BOOTx64.efi from the /boot/boot1.efifat
> filesystem image), I see that BOOTx64.efi is first identical to
> boot1.efi, but then it's padded with spaces. Why is that?
> --
> Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
> 2:5005/49 at fidonet


"Well," Brahmā said, "even after ten thousand explanations, a fool is no
wiser, but an intelligent person requires only two thousand five hundred."

- The Mahābhārata

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