Jaunty - can I disable xinerama?

Willy K. Hamra w.hamra1987 at gmail.com
Sat May 16 18:10:06 BST 2009


On Wednesday 13 May 2009 18:59:56 Mark Greenwood wrote:
> On Wednesday 13 May 2009 11:48:35 Willy Hamra wrote:
> > 2009/5/13 marc <gmane at auxbuss.com>:
> > > Mark Greenwood said:
> > >> I will probably raise this as a bug, but X confuses the living goo out
> > >> of me so I'd like to probe the collective wisdom here first..
> > >>
> > >> On my Asus eee box, X has inexplicably decided I have 2 displays
> > >> attached, despite there only being one connector for a monitor, and
> > >> that being connected to my flatscreen TV's VGA port. Very odd. Anyway
> > >> it seems that because it thinks I have 2 screens it has also enabled
> > >> the horror that is Xinerama and this is causing mythtv no small amount
> > >> of confusion.
> > >
> > > Yup, it seem that if you have multiple video cards and/or multiple
> > > monitors X gets very confused. I'm having problems myself, and it's
> > > looking like X is the culprit.
> > >
> > >> Now that we have this new improved X which ignores xorg.conf, how can
> > >> I disable xinerama? Or how can I inform it politely that I only have
> > >> one screen?
> > >
> > > I don't believe that X ignores xorg.conf. If you make changes to
> > > xorg.conf, restart X, then examine the logs, you should see you're
> > > additions being actioned.
> > >
> > > There does seem to be quite a bit of confusion, though, about what's
> > > going on.
> >
> > yup, i've had enough of all this confusion about the bullet proof X. X
> > still DOES read xorg.conf, and still DOES apply all the graphical
> > gibberish we throw in it. i have written my xorg.conf for every
> > release of kubuntu from the days of gutsy, and always will.
> > the new bullet proof X is just that it can run, autoconfigure itself,
> > and work properly even if there is no xorg.conf at all, that's the
> > whole story. once settings exist, autoconfiguration stops, and it
> > reads the file. as for xinerama, i'm sorry, but i never used it, or
> > have any idea what properties/options it has that can be put in
> > xorg.conf to control it.
>
> Pasted from my xorg.conf:
>
> # Note that some configuration settings that could be done previously
> # in this file, now are automatically configured by the server and settings
> # here are ignored.
>
> Is this wrong?
>
> I've already tried several valid modeline settings (generated using gtf) to
> try to change the vsync settings, but X ignores them all. The same
> settings, on the same hardware, with an older version of X (and a different
> distro) work exactly as expected. Wierd.
>

these are referring to input related settings in xorg.conf.
all input like keyboard and mouse settings are managed elsewhere now. but 
video is all in xorg.conf still/

-- 
Willy K. Hamra
Manager of Hamra Information Systems
Co. Manager of Zeina Computer & Billy Net

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