Date: Fri, 2 Jul 2021 17:07:25 +0200 From: Per olof Ljungmark <peo@nethead.se> To: Michael Gmelin <freebsd@grem.de> Cc: x11@freebsd.org Subject: Re: [OT]Dual GPU - help on the way Message-ID: <a859b6cd-e2ae-6892-83f4-446e4a74a1ab@nethead.se> In-Reply-To: <20210702164421.4cb62da7@bsd64.grem.de> References: <e9446340-7d61-85d3-7871-a83915342c12@nethead.se> <20210702160334.01d442e5@zeta.dino.sk> <3472e896-bc09-d389-dac9-9c0a44c5054f@nethead.se> <20210702164421.4cb62da7@bsd64.grem.de>
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On 7/2/21 4:44 PM, Michael Gmelin wrote:
>
>
> On Fri, 2 Jul 2021 16:29:59 +0200
> Per olof Ljungmark <peo@nethead.se> wrote:
>
>> 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.
>>
>
> Could you try to start X without any configuration and then share the
> output of xrandr with us?
>
It is not very informative:
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 800 x 600, current 800 x 600, maximum 800 x 600
default connected 800x600+0+0 0mm x 0mm
800x600 0.00*
With the xorg.conf in my first message:
Screen 0: minimum 8 x 8, current 3840 x 1200, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 disconnected (normal left inverted right x axis y axis)
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 connected primary 1920x1200+0+0 (normal left inverted right x axis
y axis) 519mm x 324mm
1920x1200 59.95*+
1920x1080 59.93
1680x1050 59.95
1600x1200 60.00
1280x1024 60.02
1280x960 60.00
1024x768 60.00
800x600 60.32
640x480 59.94
DP-3 connected 1920x1200+1920+0 (normal left inverted right x axis y
axis) 519mm x 324mm
1920x1200 59.95*+
1920x1080 59.93
1680x1050 59.95
1600x1200 60.00
1280x1024 60.02
1280x960 60.00
1024x768 60.00
800x600 60.32
640x480 59.94
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