[kde-freebsd] Dual-head with ATI AIW X800 (R420 JK)/7.1-STABLE/Xorg 7.4 working

[Adam K Kirchhoff]

On Sat, 07 Mar 2009 17:50:16 -0800
"Kevin Oberman" <oberman at es.net> wrote:

> > Date: Sat, 7 Mar 2009 20:26:12 -0500
> > From: Adam K Kirchhoff <adamk at voicenet.com>
> > 
> > On Sat, 07 Mar 2009 17:18:30 -0800
> > "Kevin Oberman" <oberman at es.net> wrote:
> > 
> > > > Date: Sat, 7 Mar 2009 19:35:42 -0500 (EST)
> > > > From: "Michael L. Squires" <mikes at siralan.org>
> > > > Sender: owner-freebsd-x11 at freebsd.org
> > > > 
> > > > I'm in the process of rebuilding my home desktop to use FreeBSD 7.1-STABLE 
> > > > and Xorg 7.4.  Hardware is a Supermicro P6DC6+/ATI AIW X800 with two HP 
> > > > P1110 monitors.
> > > > 
> > > > I modified the xorg.conf generated by "Xorg -configure" to allow for a 
> > > > 2560x1024 virtual screen with two 1280x1024 displays and used "xrandr" to 
> > > > set one monitor to the right of the other, which worked fine.
> > > > 
> > > > I'm using KDE4.2, with kdm started in /etc/ttys (thanks Robert) and with 
> > > > both dbus and hal running.
> > > > 
> > > > Version of Xorg 7.4 is the version available this morning (3/7/2009), 
> > > > which is identified as "xorg-server-1.5.3_6,1" in /var/db/pkg.
> > > > 
> > > > The only error I'm seeing is "Xlib: extension "Generic Event Extension" 
> > > > missing on display ":0.0"." but this seems to have no effects.
> > > > 
> > > > The same setup is working fine on my old notebook, a Toshiba 8100 which 
> > > > drives one of the two P1110's through a Belkin KVM switch.
> > > 
> > > First, I'd suggest using 'Option "Position" "1280 0"' in the Monitor
> > > section of the right monitor. (I'd also add "Position" "0 0" to the left
> > > monitor. It's just cleaner than xrandr since the monitor is correct from
> > > the start.
> > 
> > You can use the "RightOf" option in the xorg.conf monitor sections, as
> > well, to set the position initially.
> 
> Maybe, but when I switched from a xinerama config to an xrandr config,
> that stopped working for me. Maybe I needed something else to make it
> work. 

With Xinerama, "RightOf" was an option in the ServerLayout section.
With the inclusion of xrandr 1.2, it's an option in the monitor 
section.

This is a pretty good wiki for xrandr 1.2 and shows a number of
xorg.conf options and examples:
http://wiki.debian.org/XStrikeForce/HowToRandR12

Adam




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