On 11 Sep 2021 at 0:55, Samuel Sieb wrote:
Subject: Re: Failure in gsetting up a UEFI USB
Flash with Fedora 33??
To: users@xxxxxxxxxxxxxxxxxxxxxxx
From: Samuel Sieb <samuel@xxxxxxxx>
Date sent: Sat, 11 Sep 2021 00:55:54 -0700
Send reply to: Community support for Fedora
users <users@xxxxxxxxxxxxxxxxxxxxxxx>
> On 9/10/21 10:32 PM, Michael D. Setzer II via users wrote:
> > All those options are talking about Secure boot keys.
> > Turning off the Secure boot is not an issue. The user has
> > done that, but the exact same USB Flash that boots fine
> > on a 3070 doesn't show up as an option on the 3080.
> >
> > He can take a hard disk from a 3080 machine, install it in
> > a 3070 machine, boot from the exact same USB on the
> > 3070, and create and image with the 3070. The exact
> > same USB does not show up on the 3080 as a boot option.
> > Yes, it is not currently an EFI Flash so would not show up
> > as a UEFI Flash boot option, but it also doesn't show up
> > as a regular USB boot option.
> >
> > You seem to be stuck on harping about turning off secure
> > boot, but that has been done with no problem.
>
> A lot of the problem is that you are being very unclear about what
> you're doing and it's very hard to follow. Now what you're saying is
> that a non-EFI flash drive doesn't boot on an EFI system. Why do you
> need to point that out? Unless you can enable legacy or CSM mode, it's
> obviously not going to work. And newer systems don't have that option
> any more.
>
Not sure how I can be clearer? Have a system that works
fine with regular booting from a USB, but doesn't work
on a new machine? Looking for a way to get it to work.
Syslinux 6.04pre has some efi stuff, but I've tried it a
couple times, and didn't work. Last release files go back
to 2016??
> Also, you apparently ignored the part where he told you that there is no
> point in trying to use grub-install. It's not useful for EFI. You just
> need to copy a few files into the right directories.
Question: Have a web site that I mentioned that says the
grub2-install actually did work at some point, and a user
on this list said that he used it in the past with no issue.
If grub2-install doesn't support efi why does man
grub2-install show
grub-install [--modules=MODULES] [--install-modules=MODULES]
[--themes=THEMES] [--fonts=FONTS] [--locales=LOCALES]
[--compress[=no,xz,gz,lzo]] [-d | --directory=DIR]
[--grub-mkimage=FILE] [--boot-directory=DIR]
[--target=TARGET] [--grub-setup=FILE]
[--grub-mkrelpath=FILE] [--grub-probe=FILE]
[--allow-floppy] [--recheck] [--force] [--force-file-id]
[--disk-module=MODULE] [--no-nvram] [--removable]
[--bootloader-id=ID] [--efi-directory=DIR]
It lists efi-directory, and it has an option --removable that
seems to be able create on a flash??
So, did it work at some point, and someone decided to
change it, and if so why didn't they remove the
--efi-directory option??
I can see where if you already have a system that has the
EFI boot setup, it would just be copying files. similar to
how the 40_custom file allows the regular grub2 to add
options to the grub.cfg to boot. But that doesn't help in
creating a standalone flash to boot the files..
I've looked at the Dell machine I've got, and it is a 9020,
and it boots the regular usb just fine. Did search thru the
setup, and did find under the advanced bios option a
check box to allow loading additional rom to support
non-UEFI booting, and on my machine it is checked. It
does say that if that isn't check you can not boot regular
USB devices? Wondering if the 3080 machines might
have this option unchecked, so I've sent a message to the
user. So, it might be just enabling the option if it is there.
If it isn't there still have an issue.
The grub2-install with the i386 option does work, and it
puts files on the flash, but the x86_64 option fails and
writes nothing to the flash.
Perhaps I need to look at other distros that might support
it. Started with Unixware long long ago, and moved the
Redhat 9, and have been with Fedora since Core 1 thru
33. Do have a Virtual box setup of 34 as well.
Sorry to have bothered anyone. Seems I can't get there
from here..
Have a nice day.
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