VESA X11 drivers non-functional after recent update

[Warren Block]

On Fri, 26 Dec 2014, Matthias Apitz wrote:

> El día Wednesday, December 24, 2014 a las 08:22:34PM -0700, Warren Block escribió:
>
>>> (Note: I do not have this problem and I can not help to solve it. I'm
>>> only interested in your problem and its solution because I'm thinking to
>>> acquire a netbook with haswell and do need the VESA driver too in this
>>> case).
>>>
>>> I've checked the SVN
>>> http://svnweb.freebsd.org/ports/head/UPDATING?view=log and the blog
>>> pointed to by the information in UPDATING
>>> http://blogs.freebsdish.org/graphics/2014/11/19/xserver-1-14-update-ready/
>>> I do not see any information about droping VESA support.
>>
>> The AIGLX default changed, though.  Try
>>
>> Option "AIGLX" "Off"
>>
>> In the ServerLayout section.
>
...
> On my Acer Aspire D250 I was
> curious and just removed (renamed) the xorg.conf and it works fine too,
> i.e. it does not use the Intel driver, but VESA. As well the mouse works
> as expected. More, I do not even note a difference between running the
> Xorg with Intel ./. VESA. Interesting.
>
> It just uses some default internal configuration, logged in
> /var/log/Xorg.0.log as:
...
> Re/ your Option: One could construct from the lines above the 'internal'
> config as a file /etc/X11/xorg.conf and insert this special Option.

Even that much is not necessary.  xorg.conf only needs to contain the 
non-default values.  So to disable AIGLX, the entire xorg.conf needs 
only:

Section "ServerLayout"
 	Option "AIGLX" "Off"
EndSection