FreeBSD VBox Guest does not run X11 at 1440x900

[Trond Endrestøl]

On Thu, 6 Oct 2016 13:37-0000, Malcolm Matalka wrote:

> Hello,
> 
> I am running FreeBSD as a virtualbox guest on a OS X.  My Mac is set to
> resolution 1440x900 and my X11 config in the VM is set to this as well.
> After running freebsd-update fetch and install and upgrading all my
> packages I cannot seem to run X in VBox at that resolution.  If I bring
> my Mac to 1680x1050, I can run that (but it's not super enjoyable due to
> some poor redraw latency).  And I can run at 1080x1024.  I tried
> 1400x1050, which did not work as well.
> 
> What happens when I try to run at 1440x900 is that the screen is only
> roughly the size of the console window.  It is running X, I can do all
> my stuff but the screen is small.  xrandr claims it is running at
> 1440x900.
> 
> Has anyone seen this?  I feel like the resolution might be a red herring
> but I have no way to determine this.

Have you enabled EFI firmware for your VBox guest?
If you have, you're out of luck as there is currently no KMS driver 
for VBox.

If you're running the guest with BIOS firmware, you might need to 
craft your own /etc/x11/xorg.conf file.

Here's my xorg.conf file for use on a 1280x1024 display, with mouse 
support and Norwegian keyboard layout:

http://ximalas.info/~trond/create-zfs/canmount/xorg.conf

You'll need to add 1440x900 to the graphics resolution lists, and 
edit, or remove, or deactivate the InputClass and InputDevice for 
keyboards.

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