Fwd: xf86-video-i810-1.9.92 works on external 1920x1200 but not 1400x1050 laptop screen...

[m h]

On 3/27/07, Keith Packard <keithp at keithp.com> wrote:
> On Tue, 2007-03-27 at 21:16 -0600, m h wrote:
>
> > $ xrandr --output LVDS --auto --left-of VGA
> > xrandr: screen cannot be larger than 2048x2048 (desired size 3320x1200)
>
> DRI, Xv, and much of the Render acceleration all use the 3D engine which
> has the 2048 limit. We may have gotten these checks in place, but I'm
> not sure. What I do is use --below to stack the screens vertically
> instead of horizontally, but that may not work for you either. You can
> try setting the size higher; I'm not sure we've tested that very
> carefully though.

Good to know about DRI, Xv, etc.  I tried below but I get the following:
$ xrandr --output LVDS --auto --below VGA
xrandr: screen cannot be larger than 2048x2048 (desired size 1920x2250)

Is there a way to indicate only use upto to 2048?

thanks

-matt