Ubuntu
grub2-signed package

  1. Bug #1775743
  2. Comment #21

Comment 21 for bug 1775743

Revision history for this message
Jean-Baptiste Lallement (jibel) wrote : Re: [regression] Cosmic daily images 20180606-11 install but boots only to grub prompt on EFI systems

I think it's because grub-efi-amd64 is missing. Installing it in /target at the end of installation (after remounting the efi partition) fixes the problem.