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Date: Mon, 24 Feb 2014 08:13:32 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: Anton Shterenlikht <mexas@bris.ac.uk>
Subject: Re: radeon, KMS(?), segfault
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On Sun, 23 Feb 2014, Anton Shterenlikht wrote:

> amd64 laptop at r262356.
>
> card: 'RS690M [Radeon X1200 Series]
...
> I've build world with and then without
> WITH_NEW_XORG,

That setting affects ports, not base.  For Radeon, WITH_GALLIUM is also 
needed.

> and in both cases I get
> on X -configure:
...
> (++) Using config file: "/root/xorg.conf.new"
> (II) [KMS] No DRICreatePCIBusID symbol, no kernel modesetting.
> Segmentation fault at address 0x0

> I can provide more info, but perhaps
> I'm just doing something very wrong.
> I haven't followed the X developments
> so I might be doing something silly.
>
> I tried updating via pkgng, and then
> rebuilding ports manually.

Rebuild select ports as shown here:
https://wiki.freebsd.org/Graphics#Installing_KMS_Ports