GRUB 2 vs. framebuffer

Tom H tomh0665 at gmail.com
Sat Mar 12 09:37:32 UTC 2011


On Sat, Mar 12, 2011 at 3:27 AM, Niki Kovacs <contact at kikinovak.net> wrote:
>
> I'm currently testing Ubuntu Server 10.04 LTS on a sandbox machine, an old
> NEC Powermate with an NVidia GeForce 4000 video card.
>
> After the first reboot, the display is reduced to the upper left third of
> the screen or so. The last time I've been using this machine, there was a
> test install of Arch Linux on it, which had the same problem. Arch defaults
> to the "old" GRUB (v. 0.97 IIRC), and I remember having solved the problem
> by adding 'nomodeset vga=788' as parameters to the 'kernel' line. Now I
> wonder how I can possibly achieve something similar with GRUB 2.
>
> I read through the docs and so far, managed to have a partial success. I
> added the following parameter: GRUB_CMDLINE_LINUX="nomodeset" and ran
> update-grub. Now I already have a "full screen" display, but only in the
> classical 80x25 console style.
>
> I wonder now how I could possible have the equivalent of 'vga=788' output
> that uses the full screen, not only the upper left corner.

788=800x600 so set
GRUB_GFXMODE=800x600
GRUB_GFXPAYLOAD_LINUX=800x600
GRUB_TERMINAL=gfxterm
in "/etc/default/grub" and run "update-grub".




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