On Sat 18 Feb 2023 at 18:55:03 +0700, Max Nikulin wrote: > On 18/02/2023 12:26, Charles Curley wrote: > > menuentry "Install Debian 12 OS (preseeded)" { > > set root='hd0,msdos5' > > set isofile=/firmware-testing-i386-netinst.iso > > insmod part_msdos > > insmod loopback > > loopback loop (hd0,msdos5)$isofile > > linux (loop)/install.386/vmlinuz auto=true file=/media/preseed.cfg > > initrd (loop)/install.386/initrd.gz > > } > > Due to the following message I am confused if it should work for Debian: > > Brian to debian-user. Re: problem with loading installer (hard disk method) > Thu, 29 Dec 2022 17:42:59 +0000. > https://lists.debian.org/msgid-search/?m=29122022172846.4fc3cfd29...@desktop.copernicus.org.uk > > > GRUB's loopback facility will not work with installer images. > > They do not contain iso-scan. > > > > https://bugs.debian.org/618000 > > https://bugs.debian.org/724931
I am going to stick to that view and add that an initrd also needs to contain loop.ko. 'lsinitramfs initrd.gz' is a useful command. Bother items show in the hd-media intitrd but not in the initrd of debian-testing-amd64-netinst.iso. I am mystified as to Charles Curley's experience. -- Brian.