possible workaround: Patch all btrfs-tools so that they don't compress files accessed by grub with zstd.
pitfall: If users repair the filesystem from a live-cd, (eg. run defragmentation), they must make sure that they don't compress files acessed by grub with zstd. Another option: Archlinux uses this patched grub version: https://github.com/Antynea/grub-btrfs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1751517 Title: ubuntu bionic grub can't boot zstd compressed filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1751517/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs