Starting ISO image from GRUB loopback device does not work
Trying to boot the Alpine Linux ISO image from GRUB using GRUB’s loopback module,
loopback loop (hd0,msdos1)/home/myuser/Downloads/alpine-standard-3.12.3-x86_64.iso
set root=(loop)
configfile /boot/grub/grub.cfgAlpine Linux is unable to mount the boot media, and drops the user into the initrd shell.