Virtual desktop doesn't work anymore

[Wu, Nian]

Manuel Ravasio wrote:
> Hello all.
> 
> I've been using virtual desktop since 1999, adding a suitable
> "Virtual" line in Screen section of xorg.conf (in the past it used to
> have another name, which I can't remember right now). My Dell laptop

The another name is panning mode?

> has a 1024x768 monitor and I use a 1600x1200 or 2048x1536 virtual
> desktop.    
> 
> Recently I updated from Slackware 11.0, running X11R6.9.0, to
> Slackware 12.0, running "X Window System Version 1.3.0" (from "X
> -version" output) and virtual desktop doesn't work anymore.  
> I tried both using a copy of old xorg.conf file and recreating it via
> xorgconfig and xorgsetup, alas, to no avail. The server starts
> correctly, but the desktop is limited to 1024x768. No complaints
> about the "Virtual 1600 1200" line can be found in X logs.   
> 
> I have a Intel 915 video card and, of course, I configured xorg.conf
> to use the "i810" driver. I don't use 955resolution, since it doesn't
> work (I tried it some time ago).  
> 
> Is virtual desktop still supported in new version of X?

With randr1.2(introduced from xserver 1.3), virtual desktop does not
work. 
The "Virtual" Option in xorg.conf is used to set the initial framebuffer
size.
randr1.3 will support virtual desktop again.

Nian Wu