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Date:      Fri, 2 Jul 2021 16:29:59 +0200
From:      Per olof Ljungmark <peo@nethead.se>
To:        x11@freebsd.org
Subject:   Re: [OT]Dual GPU - help on the way
Message-ID:  <3472e896-bc09-d389-dac9-9c0a44c5054f@nethead.se>
In-Reply-To: <20210702160334.01d442e5@zeta.dino.sk>
References:  <e9446340-7d61-85d3-7871-a83915342c12@nethead.se> <20210702160334.01d442e5@zeta.dino.sk>

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On 7/2/21 4:03 PM, Milan Obuch wrote:
> On Fri, 2 Jul 2021 15:52:12 +0200, Per olof Ljungmark <peo@nethead.se>
> wrote:
> 
>> Slightly frustrated I'm asking on this list.
>>
>> The setup is HP Z620 with dual Nvidia K2000 and three monitors, the
>> aim is to have the desktop (xfce4) extended to all three.
>>
>> It should be doable with this setup but so far all efforts failed.
>>
>> With a "standard" xorg.conf, I get the desktop on monitor 1 and 2,
>> the third is a black screen but I can move the pointer into it.
>>
>> Alternatively I could run another X session on X screen 1 instead of
>> extending the desktop.
>>
>> Help welcome!
>>
>> Thank you in advance,
>> Per
>>
> 
> Hi,
> 
> I have zero experience with Nvidia, but I use some devices with
> multiple video outputs - board with VGA + DVI or VGA + HDMI, mostly
> Intel video. In my case crucial was right use of xrandr, example:
> 
> xrandr --output DVI-D-1 --auto
> xrandr --output VGA-1 --auto
> xrandr --output VGA-1 --left-of DVI-D-1
> 
> While this could not be answer for you, I'd recommend running
> 
> xrandr
> 
> with no option, just to see if it offers any usefull info.
> 
> In any case, I'd like to know how you are using XFCE in multi-monitor
> scenario.

xrandr shows the outputs for the second card as "disconnected" so not 
much I can do there I think.

For multi monitor with xfce, I never had a problem with a dual monitor 
setup and xfce, now I need to add a third.

Per



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