Custom VESA modes on FreeBSD 7?

[Rui Paulo]

On Sat, Jun 28, 2008 at 07:15:33PM -0400, Mike Meyer wrote:
> I'm trying to get FreeBSD 7-RELEASE running in a VirtualBox VM to use
> all of my LCD panel in X. The running X is using the vesa driver,
> which should be cool for this, as VirtualBox has provisions for
> creating custom vesa modes. And in fact, the Xorg.0.log file shows
> that it sees the new mode - but it doesn't use it.
> 
> The VirtualBox docs note that for Linux to use such a mode, you have
> to provide a "vga" command line option with the new mode # in it to
> the linux kernel. None of the FreeBSD boot parameters seem applicable
> here.
> 
> Basically, the question is - what do I have to do to get the X.org
> vesa driver to use a non-standard vesa mode on FreeBSD? Is there any
> other information I can attach that might help with this?

Maybe you need to add a correct ModeLine to your xorg config file ?

A quick Google search returned:
http://forums.virtualbox.org/viewtopic.php?t=59

HTH,
-- 
Rui Paulo