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Old 06-08-2010, 08:30 PM   #1
realbluntz
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Question Multiple monitors, multiple GPU, twinview disabled


I have 2 GeForce 260s. I have 3 monitors. The monitor on GPU2 only has Disabled and Use separate X screen available.

Can someone tell me why I can't use TwinView with all the monitors?
 
Old 06-08-2010, 08:50 PM   #2
dunix
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What distro are you using? You are using the nVdia config tool I assume. I have a similar setup (2 GPUs w/ 3 Mons), and disable TwinView, I enable Xinerama. If I remember correctly you have to disable twinview and select Separate Screens or X session, or something. It's been a few years now since I've changed those settings and not in front of the machine.
 
Old 06-08-2010, 09:19 PM   #3
realbluntz
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Ubuntu 9.1. Yes, nvidia-settings
Well that makes sense, but it sucks because a quick google search yields a lot of problems with COMPIZ and XINERAMA.
Compiz is what makes running a gui on linux worth it IMO

I'll play around with it...
 
Old 06-09-2010, 11:14 AM   #4
adamk75
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You can't use twinview, because twinview, by design, only works across monitors attached to the same GPU.

The only way you can use compiz (or any compositor) and xinerama at the same time is if you also use Xgl, which is no longer developed or supported.

Adam

Last edited by adamk75; 06-09-2010 at 11:16 AM.
 
Old 06-17-2010, 12:41 AM   #5
realbluntz
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Ya, that sucks. I suppose I could reform myself and use two xscreens, although I need to check compiz on that.
I am going to be angry if I am limted to one xscreen with compiz.
 
  


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