On Friday, February 27, 2015 10:14:18 AM German wrote:
> Hmm.. I was using some sort of boot manager, efibootmgr, however there was no 
word in install docs how to configure it to point to root device.. So, are you 
advising on gummiboot? Are people happy with it? I found gentoo wiki how to 
configure it, so I must give it a try. Thanks for your input, I guess the 
problem is solved now. On to the next install with gummi
> 

Efibootmgr is not a boot manager, it's an utility to interface with the EFI 
firmware on the motherboard and you don't need to hardcode the command line on 
the kernel, look at the -u option of efibootmgr. You can even load an initrd 
with it by specifying the efi_memmap boot option. I use something like this (it 
shoulld work with any firmware because Windows uses it):

efibootmgr -p 2 -c -b 0001 -l "\EFI\Linux\vmlinuz.efi" -L "Gentoo Linux" -u 
"root=/dev/sda2 resume=/dev/sda3 quiet splash efi_memmap 
initrd=/EFI/Linux/initramfs.img"

I normally boot directly with the EFI stub because it's slightly faster and 
prettier (completely graphical) but I also have GRUB2 installed as a separate 
EFI entry for flexibility in case I need to boot another kernel or play with 
the command line at boot time.


-- 
Fernando Rodriguez

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