Ubuntu
grub2 package

  1. Bug #1814403
  2. Comment #5

Comment 5 for bug 1814403

Revision history for this message
Steve Langasek (vorlon) wrote :

Also,

> using EFI+btrfs boot volume. No LVM used, just GPT on NVMe.

Yes, this change was introduced to address the problem as seen on LVM-backed /boot/grub, but that is certainly not the only configuration for which GRUB has read support but lacks write support. The fix is generic to all such filesystems that are read-only in GRUB, and that is by design.