On Fri, Dec 27, 2024 at 02:00:07AM +0100, Olivia May wrote:
> Libreboot has ISOLINUX and grub2 support. Neither work with the Devuan Daedalus ISOs. I did not copy the ISO onto the drive like in a file manager. I properly burned it onto the usb using the `dd` command to the /dev/sdb aka usb device, like I do with linux mint, artix, and devuan chimaera, and I'm able to boot from the usbs with all those distros except devuan daedalus. I don't use ventoy.
>
> The burned devuan daedalus ISO is mountable, I can mount the usb and go through the files. I'm not sure why libreboot doesnt find anything.
>
> Devuan Chimaera booted from isolinux in libreboot only loads the devuan background image. Booting from grub2 shows the grub menu.
>
> Devuan Daedalus does the same thing with isolinux. It doesn't work at all with grub2. So it ends up being unbootable.
>
> Linux Mint works with isolinux and grub2. And Arch Linux works with isolinux. I found this libreboot article that says libreboot didnt directly scan for syslinux configs until recently.
> https://libreboot.org/news/libreboot20240126.html

Ok, I don't know what libreboot tries to do.

There is no grub boot equipment on the Daedalus installer iso. There
are 3 syslinux boot equipments that offer 4 workable use case:

1) to boot with UEFI bios with the ISO as CDROM
2) to boot with UEFI bios with the ISO as harddisk
3) to boot with legacy bios with the ISO as CDROM
4) to boot with legacy bios with the ISO as harddisk

In the first two use cases, the boot is achieved via syslinux.efi.

Use case 3 is achieved with a "traditional" isolinux setup.

Use case 4 is achieved with a "traditional" syslinux setup.

There is also a "manual rescue mode" if you are reasonably confident
on the command line. You enter that by adding "emerg" to the boot
command line, and the preamble will then enter a busybox-static shell
(a sub shell actually) before trying to switch root.

At that point you may manually find the ISO and its /boot/initrd.gz,
and manually unpack that at /target. You should then also leave
/dev/loop0 for the ISO. Exit the sub shell to let the switch-root
happen, and that (if it works) will be the installer.

Note: one possibility is that the preamble fails to install the right
driver module(s) for your drive, which would reault in the preamble
failing to mount it. If that's the case you will need to load those
modules manually in the emerg shell before everything else.

Ralph.

>
> Thanks,
> Olivia
>
>
> Dec 26, 2024, 15:27 by rrq@???:
>
> > On Thu, Dec 26, 2024 at 04:36:03PM +0100, Olivia May wrote:
> >
> >> Hello Devuan Devs,
> >>
> >> When I burn the installer-isos to a usb and try booting from
> >> Libreboot, it doesn't work. It loads the devuan background image but
> >> it won't load the grub menu that lets you install Devuan. I've only
> >> tested the netinstall and desktop from the installer-iso/ directory.
> >> Devuan Chimaera netinstall and desktop works. Libreboot doesn't load
> >> the background but it loads the grub menu.
> >>
> >
> > No, it's a *syslinux* menu. The ISOs boot system is syslinux only. But
> > that's not a problem.
> >
> >> I've tried reformatting the usb, zeroing it out, and Daedalus still
> >> doesn't work. Chimaera works on the same usb. I'm using a lenovo
> >> thinkpad x230 with Libreboot with an Intel CPU.
> >>
> >> Did I do something wrong for Daedalus? Is there a specific command I
> >> have to use to burn the ISO? I've been using dd. Is this a problem
> >> with Libreboot?
> >>
> >
> > At a guess, the problem is that you have copied the ISO as a file into
> > a filesystem on the USB, rather than copied the ISO onto the USB
> > device as a whole. Then you use some other boot system (Ventoy?) that
> > lets you select and chain-load the kernal and initrd from that ISO
> > file But that boot system *does not then present the ISO file as a
> > mountable partition*, and therefore the installer doesn't find it.
> >
> > That method works only with disyributions that are fully contained in
> > their initrd. Devuan installer ISOs require access to the ISO as a
> > mountable partition.
> >
> > It's actually the same issue for chimaera ISOs, except that it's
> > startup is different. So it shows the initial installation dialogs as
> > if it would work. However especially it's partition utility is then
> > reduced to use FAT or ext2 only, and it will also have problems to
> > install the base system (because the software for other filesystems as
> > well as base system packages need to be loaded from to ISO after
> > mounting it).
> >
> > Ralph.
> >
> >> Thank you,
> >> Olivia
> >>
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> >
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