adrian15

> Which iso editor program did you use? We don't use any editor program. We either use grub-mkrescue or grub-mkimage to build the SG2D images.

> Now my Super Grub Isoboot will work. Nice. Thank you for testing the change.

> When did think we get a official iso working Super_Grub2 with working isoboot? I guess you mean working loopback cfg support from other grub instances. I should release Rescatux...

At current Super Grub2 Disk 2.00 beta 6 which it's based on: Debian Unstable 2.00-15 grub this code: ``` if insmod unknown ; then echo "unknown exists" else echo "Unknown...

Check if it was fixed in upstream and in Debian Unstable. If it has not then mark it as "Known bug".

As per Debian's 2.00-22 the error still persists. Going to mark as a Known bug.

Created upstream bug: https://savannah.gnu.org/bugs/?41816

> What's left to do? As I said in the original issue I want to integrate this functionality myself into SG2D because of the upcoming Secure Boot integration. There are...

I am not sure because BTRFS does not use partitions but something else (similar to snapshots). You should test it and give us feedback about it.

These are the latest stable downloads: https://www.supergrubdisk.org/2019/08/26/super-grub2-disk-2-04s1-downloads/ . Under: *CD/USB/HD BOOTABLE IMAGES* and *Old BIOS (non UEFI) systems only.* sections you can find: [Download super_grub2_disk_i386_pc_2.04s1.iso](https://sourceforge.net/projects/supergrub2/files/2.04s1/super_grub2_disk_2.04s1/super_grub2_disk_i386_pc_2.04s1.iso/download). That's what you are asking...