You can read the post with point 2 here. extlinux.conf only indicates where to load filesystem. Does not represent where to boot.
To tell what is the boot device, it needs to check the cboot log. And I already told you where to dump cboot log.
You can read the post with point 2 here. extlinux.conf only indicates where to load filesystem. Does not represent where to boot.
To tell what is the boot device, it needs to check the cboot log. And I already told you where to dump cboot log.