Public bug reported:
I have initially been trying to resolve this on the forums
(https://ubuntuforums.org/showthread.php?t=2461875) but have now been
advised to report here as a bug
I have two Ubuntu 18.04 servers in a remote location, a month or so ago
after running the normal "apt update" and "apt upgrade" commands I was
faced with the error shown in the attached document.
After further reading I ran the command sudo grub-install --efi-
directory=/boot/efi --target=x86_64-efi --no-nvram and it says
"Installation Finished. No error reported." however anytime I run apt
for anything it tries again to install grub-efi-amd64 / grub-efi-
amd64-signed and results in the same error.
Here is output from the df command
Filesystem Size Used Avail Use% Mounted on
udev 16G 0 16G 0% /dev
tmpfs 3.2G 952K 3.2G 1% /run
/dev/md4 29T 29T 117G 100% /
tmpfs 16G 16K 16G 1% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 16G 0 16G 0% /sys/fs/cgroup
/dev/md2 477M 169M 279M 38% /boot
/dev/md1 300M 3.3M 297M 2% /boot/efi
tmpfs 3.2G 0 3.2G 0% /run/user/1000
I have not risked rebooting the machines so I do not know if the above command
is actually leaving the machine in a bootable state or not.
** Affects: grub-installer (Ubuntu)
Importance: Undecided
Status: New
** Tags: efi grub
** Attachment added: "Full output of the apt command displaying the error."
https://bugs.launchpad.net/bugs/1936717/+attachment/5511590/+files/Grub_Error.txt
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https://bugs.launchpad.net/bugs/1936717
Title:
Grub upgrade error (Ubuntu 18.04.05)
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