AW: X won't start with radeon (AMD R9 270X)

[jurgenxiv at t-online.de]

Thank you all for your help. I tried to follow the advice in the vesa thread, but memcontrol throws out an error.
Am I using the correct range?

Please have a look at my vidcontrol -i mode (attached).

# memcontrol set -b 0xd0000000 -l 0x800000 -o BIOS write-combine
memcontrol: can't set range: Invalid argument

Thanks Jurgen

-----Original-Nachricht-----
Betreff: Re: X won't start with radeon (AMD R9 270X)
Datum: Tue, 27 Jan 2015 02:16:14 +0100
Von: Michael Gmelin <freebsd at grem.de>
An: "Matthew D. Fuller" <fullermd at over-yonder.net>



On Mon, 26 Jan 2015 18:33:36 -0600
"Matthew D. Fuller" <fullermd at over-yonder.net> wrote:

> On Sun, Jan 25, 2015 at 07:28:02PM +0100 I heard the voice of
> jurgenxiv at t-online.de, and lo! it spake thus:
> > 
> > I'm having a problem getting X11 to work with my graphics card. 
> 
> https://wiki.freebsd.org/Graphics#Tested_hardware_matrix
> 
> The 7000 series is the latest with any meaningful support.  The R9 is
> two generations newer than that.
> 
> 

Even though this won't give you radeon support you might want to try
this and see if it helps your VESA performance:

https://forums.freebsd.org/threads/xorg-vesa-driver-massive-speedup-using-mtrr-write-combine.46723/

-- 
Michael Gmelin
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