need help with upgrade of virtualbox-ose

[Manfred Antar]

> On May 7, 2017, at 9:38 AM, Wojciech Puchar <wojtek at puchar.net> wrote:
> 
> from 5.0.26 to 5.1.latest.
> 
> every attempt ends with virtual machine crash just when it should switch from windows loading screen to normal screen. all VMs are windows 7 pro.
> 
> Logs doesn't give any hint.

I had a similar problem running FreeBSD current on OSX machine.
I had to downgrade the xorg-server from 1.18.4,1 to 1.17.4,1 the rebuild virtualbox-ose-additions and kernel.
It worked again.
Not sure if this is the same problem for yo