cyphermox, if this helps, I've created a patch that directly applies on top of the existing grub2 sources reconstructed with `dpkg-source -x` that I've tested locally to work.
** Patch added: "Patch to debian packaging to fix this" https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1824245/+attachment/5281704/+files/grub2-ubuntu-pkg-support-partitioned-loops.diff -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1824245 Title: Can't create a bootable disk by doing image creation on a loop device To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1824245/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
