Ubuntu
shim-signed package

  1. Bug #1776271
  2. Comment #22

Comment 22 for bug 1776271

Revision history for this message
Demon (demonrx) wrote :

https://askubuntu.com/questions/1072618/could-not-prepare-boot-variable-no-space-left-on-device-grub-install-error-ef

Solved the issue for me by clearing out the dump files in /sys/firmware/efi/efivars (ubuntu 18)