FreeBSD as VBox guest: vboxvideo allows only resolution of 800x600

[Trond Endrestøl]

On Wed, 21 Sep 2016 14:23+0200, O. Hartmann wrote:

> Hello.
> 
> First, please CC me, I do not subscribe this list.
> 
> I run VirtualBox (lastes 5.1.X as of ports) on FreeBSD CURRENT and within this
> host, I try to run a FreeBSD/NanoBSD appliance. So far, so good. The guest
> works well so far, it has port emulators/virtualbox-ose-additions installed and
> has 
> 
> vboxguest_enable="YES"
> vboxservice_enable="YES"
> 
> enabled in rc.conf.local.
> 
> X11 is also up and running and its SCREEN definition is as follows:
> 
> Section "Screen"
>         Identifier "Screen0"
>         Device     "Card-vboxvideo"
>         Monitor    "Monitor0"
> 
>         SubSection "Display"
>                 Viewport        0 0
>                 #Depth          24
>                 Depth           16
>                 #Modes          "1024x768 1366x768 1440x900 1600x900 1920x1200" 
> 		Modes           "1440x900"
>         EndSubSection
> 
> EndSection
> 
> The Guest OS has always a screensize size of 800x600 pixel. The UEFI initial
> console shows efifb with 1024x768 pixel, but whenever the graphics starts, it
> is reduced to 800x600.
> 
> The driver is configured as
> 
>  Section "Device"
>         Identifier  "Card-vboxvideo"
>         Driver      "vboxvideo"
> EndSection
> 
> In the lower menu bar, I could, theoretically, switch resolution with menu item
> "Virtual screen 1" to a bunch of settings - but only 800x600 is checked and is
> selected - nothing else works. I can't select any other resolution!
> 
> What is missing here? Something within the driver definition?
> 
> I have other guests in the very same VBox, like Windows 7 and I can change
> their resolution up to 1920x1080 (I have a screen that is cabapble of
> 1920x1200).
> 
> Thank you very much in advance,
> 
> Oliver

Have a look at my config file:

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

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