crazy Xrandr/XOrg automatic display configuration.

[Matthias Clasen]

On Wed, 2009-11-25 at 13:13 -0500, Jud Craft wrote:
> > Oh, I misunderstood. Yeah, it should remember the previous configuration
> > you had with this combination of outputs. This information is stored in
> > ~/.config/monitors.xml.
> 
> Right.  I guess what I'm saying is...it doesn't seem to.
> 
> The very first time I booted my laptop with this (800x600) projector,
> it defaulted to clone mode in session.
> 
> I left the room and restarted my laptop.  When I returned, plugging
> the monitor in live resulted in an extended desktop (very cool).
> 
> I then restarted my laptop and let it boot fresh with the monitor
> plugged in.  The desktop session started in clone mode again.
> 
> I have a completely-different-in-every-way giant widescreen monitor at
> home, so I don't think Display Settings is mixing up the external
> display configurations.


https://bugzilla.gnome.org/show_bug.cgi?id=572876 might be related.
It has some discussion about ~/.config/monitors.xml.backup.
I don't have a multi-monitor setup at hand over the long weekend, so I
can't investigate further atm.