X broken after upgrading - black screen

[Warren Block]

On Tue, 5 Apr 2016, Will Parsons wrote:

> Please, is there anyone who can comment on the following?

Just shotgun approaches.  Has you rebuilt all of Xorg, or at least all 
of the packages that the intel video driver depends on?

   portmaster `pkg info -dq xf86-video-intel`

> On Friday,  1 Apr 2016  3:45 PM -0400, Will Parsons wrote:
>> I purposely held off on upgrading the to new X server for over a year
>> now for fear of breakage, but recently finally upgaded to the latest Xorg
>> server along with the associated video and input drivers and am left
>> with a black screen upon starting the X server.  The machine is
>> apparently still running, but attempting to switch to another virtual
>> terminal doesn't do anything, even after I followed a suggestion to
>> add "kern.vty=vt" to /boot/loader.conf.
>>
>> (I've previously asked on the FreeBSD general questions list without
>> success.)
>>
>> It's a Lenovo Edge E520 laptop - see below for the log from Xorg and
>> info from dmesg.
>>
>> Any help in recovering from this disaster would be much appreciated.