Bug#558662: gdm: virtual size does not fit available size

[Josselin Mouette]

Le lundi 30 novembre 2009 à 20:03 +0000, Jeff Abrahamson a écrit : 
> On Mon, Nov 30, 2009 at 12:47:39PM +0100, Josselin Mouette wrote:
> >   [19 lines, 138 words, 855 characters]  Top characters: etiorsnu
> > 
> > Le dimanche 29 novembre 2009 à 18:01 +0000, Jeff Abrahamson a écrit : 
> > > Gdm comes up in single-head mode, but I have two monitors.  Using
> > > /usr/bin/gnome-display-properties, I can uncheck the mirror
> > > display button, but am told "required virtual size does not fit
> > > available size: requested=(3840, 1200), minimum=(320, 200),
> > > maximum=(1920, 1920)".  Google suggests this may be related to KMS
> > > support, which seems from what I read to be driver specific.  I've
> > > filed a bug with the xorg driver guys, but am looking for a
> > > workaround to get gdm to allocate adequate space at startup.
> > > 
> > >    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=516210#60
> > 
> > How is that a problem in GDM? 
> 
> It appears that gdm starts X differently than simply running startx
> (as per experiment and as per Xorg docs).  So I'm hoping there's a way
> to give gdm some hints about how it should start X.

It merely starts X like this:
/usr/bin/X $DISPLAY -audit 0 -auth $SOMETHING -nolisten tcp $VT

Everything else is configured in X itself.

Cheers, 
-- 
 .''`.      Josselin Mouette
: :' :
`. `'   “I recommend you to learn English in hope that you in
  `-     future understand things”  -- Jörg Schilling
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