Re: [gentoo-dev] EFI stub booting, was: borked release media

[Chí-Thanh Christopher Nguyễn]

Greg KH schrieb:
> On Mon, Dec 10, 2012 at 12:21:29AM +0100, Chí-Thanh Christopher Nguyễn wrote:
>> Greg KH schrieb:
>>>> No, all we need is to enable EFI stub support in the kernel, and
>>>> integrate the initramfs using CONFIG_INITRAMFS_SOURCE and place it in
>>>> some location where UEFI looks for it (/efi/boot/bootx64.efi).
>>>>
>>>> This has the disadvantage of not allowing to pass additional kernel
>>>> parameters during boot. But it might still be an acceptable stopgap
>>>> measure if the alternative is to not boot at all.
>>>
>>> No, don't do that for an "install" kernel, that way is madness, just use
>>> a real UEFI bootloader which can handle an initrd and the like properly
>>
>> Can you explain what problems you see with that? How does
>> CONFIG_INITRAMFS_SOURCE handle initrd improperly?
>
> Ah, didn't notice that, it might work, have you tried it?

I took some time and summarized all the steps needed to get a booting EFI
stub kernel including initramfs in a wiki article.

https://wiki.gentoo.org/wiki/EFI_stub_kernel


Best regards,
Chí-Thanh Christopher Nguyễn