Re: Grub2 and Efi (MacBook 5,1)

[Felix Zielcke]

Am Dienstag, den 22.09.2009, 19:34 +0200 schrieb Stefan Bienert:
> Michal Suchanek wrote:
> > 
> > Unfortunately. grub refuses to pass on vga=ask for me.

vga=ask only works with the old linux loader, linux16.
But that isn't avaible in EFI because in EFI you can't load the kernel
with its 16 bit entry point.


> > I am not sure what vbios is supposed to do for you. There is also the
> > question when the graphics card is switched to vga. Normally the
> > kernel expects the card to be in vga state so it should be probably
> > done by grub.
> 
> OK...so, do we have any more dense tips, here? Sounds like the two of us
> are somehow lost ;-) I tried playing around with video=... without any
> success. Where can I find some docu on grub2 video and vga options?
> 

you're searching in the wrong place. video and vga are options for the
Linux kernel.
Though vga= is parsed by grub, because the kernel excepts it's value in
a different format then in the standard commandline.
Note that `set gfxpayload=1024x768x16' (or whatever resolution/depth you
want) is now the prefered way with the new Linux loader.

-- 
Felix Zielcke
Proud Debian Maintainer