Weird compiz problem with nvidia twinview

[Frank Pineau]

On Fri, 2006-10-27 at 22:46 -0600, Kim Lux wrote:
> On Sat, 2006-10-28 at 00:05 -0400, Frank Pineau wrote:
> > Ok, so I finally got compiz working on FC6 with my nvidia twinview setup
> > (single card, dual-head). 
> 
> You must be running 9625.  That is a beta driver.
> 
> > Here's the weird thing:
> > 
> > Without effects enabled, each monitor acts like a separate desktop
> > segment. I can maximize a window and it will only maximize to that
> > monitor.  The top and bottom bars span only my left screen.  My right
> > screen is "extra space".
> 
> That is the way mine is running too.  I think that is the desired effect
> and that is set in KDE, not nvida.  The driver just provides the desktop
> space and KDE controls how it is used.  I believe it can be changed. 
> 
> > With effects enabled, both monitors together act as a single segment, so
> > maximized windows span both screens.  This is obviously not desirable.
> > Any idea why this happens, or more to the point, how to fix it?
> 
> What is going on in the Nvidia X Server Settings app ?  What is in your
> xorg.conf file ? What changes when you run Configure Desktop ?  
> 

It's Gnome, not KDE, but doing some more reading seems to indicate a
problem with compiz not honoring xinerama and twinview multi-monitor.
Some of the compiz and beryl forums indicate that this may be fixed
somewhere upstream, but I haven't been able to confirm that.
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