Gentoo Archives: gentoo-user

From: Mick <michaelkintzios@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] UEFI-fails to boot
Date: Thu, 25 Jan 2018 11:42:15
Message-Id: 2117350.6Jog0pJh5y@dell_xps
In Reply to: Re: [gentoo-user] UEFI-fails to boot by Wols Lists
1 On Thursday, 25 January 2018 11:07:40 GMT Wols Lists wrote:
2
3 > But what I think you're supposed to do is use UEFI to load the linux
4 > kernel directly ... not sure how you do that yet :-)
5 >
6 > Cheers,
7 > Wol
8
9 If you do not need/want to use a boot loader like GRUB you can use the
10 efibootmgr to set the kernel image to boot directly. For example:
11
12 efibootmgr --create --disk /dev/sda --part 1 --label "gentoo-4.14.14_20-Jan"
13 --loader "\EFI\BOOT\bootx64-4.14.14-gentoo.efi"
14
15 Where \EFI\BOOT\bootx64-4.14.14-gentoo.efi is found under:
16
17 # tree /boot
18 /boot
19 ├── EFI
20 └── BOOT
21 ├── System.map-4.14.12-gentoo
22 ├── System.map-4.14.14-gentoo
23 ├── System.map-4.14.8-gentoo-r1
24 ├── bootx64-4.14.12-gentoo.efi
25 ├── bootx64-4.14.14-gentoo.efi
26 ├── bootx64-4.14.8-gentoo-r1.efi
27 ├── config-4.14.12-gentoo
28 ├── config-4.14.14-gentoo
29 └── config-4.14.8-gentoo-r1
30
31 You should also set CONFIG_EFI_STUB=y in your kernel.
32 --
33 Regards,
34 Mick

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