Dual-head config broke with update to 1.4.2

Martin Cracauer cracauer at cons.org
Mon Feb 15 08:14:31 PST 2010

Alex Deucher wrote on Mon, Feb 15, 2010 at 10:52:44AM -0500: 
> On Sun, Feb 14, 2010 at 6:51 PM, Martin Cracauer <cracauer at cons.org> wrote:
> > I have a Thinkpad T41 with an internal LCD and a VGA out, using an
> > older Radeon chip and the radeon Xorg driver. ?I have a display at the
> > VGA out and have configured dual-head via ServerLayout. ?This broke
> > with an update to Xorg 1.4.2.
> >
> > Short version:
> > - I seem to select the wrong output between LVDS (LCD), VGA, DVI and
> > ?TV. ?Instead of LVDS and VGA and I seem to get the (non-existent)
> > ?DVI and VGA. ?As a result, when X11 is up it seems that screen-0
> > ?disappeared and screen-1 (VGA) is now DISPLAY=:0.0. ?There is no
> > ?:0.1.
> Your best bet is to switch to using xrandr to configure your card:
> http://wiki.debian.org/XStrikeForce/HowToRandR12
> It will let you dynamically switch between single and multi-head.

No, that doesn't work for me.  I need classic dualhead with separate
$DISPLAY so that I have separate virtual desktop switching on each.

I have seen that this works fine for the same Xorg version on other
computers not using the Radeon/ATI driver.

So I reported it to the ATI driver list (assuming my subscription went

Martin Cracauer <cracauer at cons.org>   http://www.cons.org/cracauer/
FreeBSD - where you want to go, today.      http://www.freebsd.org/

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