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Re: [PATCH 6/6] gnu: Add grub-efi.
From: |
Danny Milosavljevic |
Subject: |
Re: [PATCH 6/6] gnu: Add grub-efi. |
Date: |
Wed, 21 Dec 2016 19:55:13 +0100 |
Hi,
efibootmgr is trying to add an entry for Linux to the EFI bootmanager and set
the boot priority order. It won't usefully autoboot without it. That said,
depending on how good the UEFI implementation on your laptop is you might be
able to hit a function key on POST and select the image file manually. (There
has to be a FAT partition which is supposed to contain all the things that the
bootloader can boot)
The problem is when you boot in legacy BIOS mode you don't have UEFI
functionality available, including the calls that would modify the boot order
and boot menu.
The best way would to also boot the GuixSD USB image via UEFI and not MBR. I
think all you need for that is the image file on the USB stick on a FAT
partition under \EFI\BOOT\BOOTX64.EFI . So it should be easy to have a dual ISO
image.
That said, I only have Libreboot personally so I can't help much with it. I
just had to fix UEFI problems for a customer of mine (two months ago) so it's
still fresh in my mind.
Note that many UEFI setups have a "Lock Boot Order" option. Make sure it's not
locked, otherwise it doesn't matter what efibootmgr does - it will just be
cleared on next reboot.
- Re: [PATCH 6/6] gnu: Add grub-efi., (continued)
- Re: [PATCH 6/6] gnu: Add grub-efi., Marius Bakke, 2016/12/18
- Re: [PATCH 6/6] gnu: Add grub-efi., Ludovic Courtès, 2016/12/19
- Re: [PATCH 6/6] gnu: Add grub-efi., Marius Bakke, 2016/12/19
- Re: [PATCH 6/6] gnu: Add grub-efi., Ludovic Courtès, 2016/12/19
- Re: [PATCH 6/6] gnu: Add grub-efi., Marius Bakke, 2016/12/19
- Re: [PATCH 6/6] gnu: Add grub-efi., Ludovic Courtès, 2016/12/20
- Re: [PATCH 6/6] gnu: Add grub-efi., Marius Bakke, 2016/12/20
- Re: [PATCH 6/6] gnu: Add grub-efi., Ludovic Courtès, 2016/12/20
- Re: [PATCH 6/6] gnu: Add grub-efi., Marius Bakke, 2016/12/20
- Re: [PATCH 6/6] gnu: Add grub-efi., Ludovic Courtès, 2016/12/21
- Re: [PATCH 6/6] gnu: Add grub-efi.,
Danny Milosavljevic <=
Re: [PATCH 6/6] gnu: Add grub-efi., Marius Bakke, 2016/12/17