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Date: Thu, 9 Jan 2014 08:04:02 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: David Chisnall <theraven@FreeBSD.org>
Subject: Re: Intel graphics driver broken on 10-RC5
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Cc: "freebsd-x11@freebsd.org" <freebsd-x11@FreeBSD.org>,
 FreeBSD Current <freebsd-current@FreeBSD.org>, "Lundberg,
 Johannes" <johannes@brilliantservice.co.jp>
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On Thu, 9 Jan 2014, David Chisnall wrote:

> Hi Johannes,
>
> Are you using the packaged Xorg in both cases?  Currently, the default for 10 is the old (pre-KMS) X.org and the default for 11 (HEAD) is the newer (post-KMS) one.  If you're using the default one, would you mind trying the new one?  You can build it from ports by putting this in your make.conf:
>
> WITH_NEW_XORG=yes
> WITH_GALLIUM=yes
>
> I'm currently running it with AMD graphics on 10-RC4 and finding it works a lot better than the older version, and we're considering enabling it for the 10.0-RELEASE.  The down side is that, without newcons, you lose working VTs after X has started.

The wiki now has the update procedure:
https://wiki.freebsd.org/Graphics#Installing_KMS_Ports

This will work either to update an already-installed X, or to install it 
from scratch (just install x11/xorg afterwards).  It has been tested on 
9.2 and 10-STABLE.