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

[Michael L. Squires]

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.

Mike Squires
mikes at siralan.org