Second monitor gets always activated

Alex Deucher alexdeucher at gmail.com
Mon Dec 24 08:27:51 PST 2007


On Dec 24, 2007 8:27 AM, Klaasjan Brand <klaasjan at gmail.com> wrote:
>
>
>
> On Dec 23, 2007 10:32 PM, Alex Deucher <alexdeucher at gmail.com> wrote:
> >
> >
> > On Dec 23, 2007 3:41 PM, Jan Willies <jan at willies.info> wrote:
> > > Hello,
> >
> > >
> > > With the new driver 6.7.197 my second monitor is always enabled,
> regardless if it's hooked up or not. This is the output of xrandr after
> startx:
> >
> >
> > DDC and load detection do not work reliably yet on XPRESS cards, so we
> > default to unknown since we are not able to reliably detect monitors
> > on those chips.  I hope to fix this soon once I sort out how it needs
> > to be done properly on XPRESS cards.
> >
>
> It's not only a problem with "Xpress" cards, lots of people on the Fedora
> mailinglist have the same issue with standard r300 cards (I have it too on a
> Radeon X800 board).
> In addition to that, the "ghost" monitor seems to trigger a bug in Gnome
> (GDK I presume) which sets the desktop size (including panels) on the first
> head to to whatever the resolution of the second head seems to be.

There was a period when all cards returned unknown for the output with
the tv dac if ddc failed, but that has been changed for sometime in
git.  If you are still having problems with git master or 6.7.197,
please file a bug.

Alex


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