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Re: Finding correct component for Virtual Box / Debian / screen resolution issue

On Mon, Aug 5, 2013 at 6:15 PM, adrelanos wrote:

> Security reasons. It weakens isolation between guest and host. See also
> [1]. Another reason is, guest additions are every now and then not
> installable.

Makes sense.

> Maybe. Have they been forwarded upstream? Are there workarounds?

Not according to the BTS and probably not.

> In /etc/default/grub using GRUB_GFXMODE="1280x1024" works, but only for
> the grub boot menu.
> I don't know which driver/module grub is loading to achieve that. Other
> then the GRUB_GFXMODE="1280x1024 change, no other changes. So grub
> default, whatever that is. Any way I could find out? Probably indeed
> vesa. (Because other standards available at that early phase don't even
> support higher resolutions in principle as far I know.)

It appears that grub loads multiple video modules, from my /boot/grub/grub.cfg:

function load_video {
  insmod vbe
  insmod vga
  insmod video_bochs
  insmod video_cirrus

Not sure about how to find out what it uses.



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