3 Screen Xinerama Issues

[Merton Campbell Crockett]

Jonathan:

This is similar to a problem that I've noted with KDE 3.3.0, SuSE 9.2, and 
nVidia drivers.  The strange behaviour began after applying the update for 
the Xorg X11 Server 6.8.1-15.6.  My system with Matrox graphic adapters 
doesn't have any problems.

I haven't had any responses to my last query.  Hopefully, you will fare 
better.

Merton Campbell Crockett


On Tue, 22 Mar 2005, Jonathan Duncan wrote:

> Greetings,
> 
> I have three monitors.  One 21inch in the middle and two 17inch, one on each
> side of the 21inch.  The 21 and one of the 17's is running off of an Nvidia
> Quadro FX540 dual-head, while the other 17 is running off of a Matrox
> Mystique.  I am running KDE 3.3.2 on Gentoo with a Linux kernel of 2.6.10.
> This is a partially new setup for me.
> 
> Previously I was running SuSE 9.2 with KDE 3.2 and a Matrox Millenium
> dual-head instead of the Nvidia.  With the previou setup I was not having the
> issues I will now relate.  For reference you may view the following
> screenshot:
> 
> http://jkdwebmagic.com/temp/mydesktop.gif
> 
> (Note: The three screens are delineated by the horizontal green lines.)
> 
> 1) Notice that the panel (at the top of the screen) is partially on the left
> screen and mostly on the middle screen.  How can I get that to center on the
> middle screen?
> 
> 
> 2) As can be seen in the following image, when I launch apps that do not
> remember their previous position they locate themselves across two or more of
> the screens instead of centering on one of them, and usually toward the
> bottom.
> 
> http://jkdwebmagic.com/temp/mydesktop_new_window.gif
> 
> 
> 3) As seen in the following image, when I maximize an application, it
> maximizes across all three screens.
> 
> http://jkdwebmagic.com/temp/mydesktop_maximize.gif
> 
> 
> 4) As can be seen in the first and second images, some new apps when launched
> and do not remember their previous position, lodge themselves at the bottom of
> the screens.  This is not so much of a problem except when the apps are small
> and they get lost in the black area on the screens with the smaller
> resolutions.  If you notice in the first screenshot there is a Konqueror
> window peeking out of the black area under the right screen.  That is where is
> launches before I move it.
> 
> 
> As I said, in my previous setup of KDE none of these things were a problem.
> The applications all seemed to know where the edges of the screens were and
> did not launch in the black areas, did not cross screens on launch, and the
> panel was centered on the middle screen.
> 
> 
> How much of these issues are KDE related and how many are X.org related? I
> would think since the Xinerama is setup and working that all the issues are
> with KDE.  Anyone have any helpful tips for me?
> 
> 
> Thank you,
> --
> Jonathan Duncan
> Administrator
> 801.376.7796
> JKD Web Magic
> http://www.jkdwebmagic.com/
> Web Site Hosting and Design
> 
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> 

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