Installing Devuan Linux (Debian derivative), I get this error message:

The attempt to mount a file system with type vfat in /dev/nvme0n1p1 at /boot/efi failed.

During the installation, I did not specify to create a vfat file system (the SSD was empty), and I did not specify to create the EFI partition under boot/.

This is the SSD required partitioning structure:

/dev/nvme0n1p1 - 1.0 TB Unknown

 98 MB  ESP    EFI
 50 GB  ext4   /      /
 10 GB  ext4   var    /var
 68 GB  swap   swap   swap
  4 GB  ext4   tmp    /tmp
 50 GB  ext4   opt    /opt
500 GB  btrfs  home   /home

I have not been able to get rid of the first 1 MB block of free space, but that should not be the problem.

The system is configured to use UEFI.

  • Do I need to add a /boot partition?
  • Do I need to add an ESP partition?
  • Is a 98 MB size EFI partition enough?
    • Does its size depend on the number of operating systems installed?

How can I fix my system?

  • Debian tag: Questions specific to the Debian official distribution (stable, testing, or unstable); if you are using a derivative of Debian (e.g. Mint, Ubuntu, Kali, etc), then use that distribution’s tag instead.
    – user8779
    Jul 3, 2018 at 16:39
  • Please identify the SBC board and model. Jul 3, 2018 at 18:58

1 Answer 1


Since my manual partitioning did not work, I selected automatic partitioning.

The EFI partition was automatically set as bootable, I deleted the ext4 /home partition, I added a new ext4 /opt and a btrfs /home partition.

Everything seems to be going on well now..

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