Hi Predrag

I got curious about your setup and googled a bit.
Since we have Updated to the latest X.org pretty much without any big patches appart from Compatibility the latest X.org guides for linux also work for us. Apart from Path name differences. e.g they seperate xorg.conf into multiple files we usually don't

Looking into the arch wiki I found that xinerma has been replaced on Nvidia cards by TwinView. And they seem to have a configuration that pretty much sounds like the thing you want under [1].

You might also want to look a little bit into[2] for background info.

[1] https://wiki.archlinux.org/index.php/NVIDIA#TwinView
[2] https://wiki.archlinux.org/index.php/multihead

Greetings
Till

Am 15.09.2017 um 16:21 schrieb Predrag Zečević - Technical Support Analyst:
On 09/12/17 11:58, Grüninger, Andreas (LGL Extern) wrote:
Maybe this helps:
nvidia-xconfig --enable-all-gpus --separate-x-screens

Andreas


Hi Andreas,

tried and got 2 separated X windows session (so, was not able to move windows across - which I already had once. See attached conf and log files).

Right now, I have no xorg.conf - but still 2 monitors are treated as 1 screen - so full screen is displayed in the middle...

Thanks anyway.

With best regards.
Predrag Zečević
-----Ursprüngliche Nachricht-----
Von: Predrag Zečević - Technical Support Analyst [mailto:predrag.zece...@2e-systems.com]
Gesendet: Dienstag, 12. September 2017 11:01
An: Alexander Pyhalov; Discussion list for OpenIndiana
Betreff: Re: [OpenIndiana-discuss] /hipster: MATE + NVIDIA + 2 monitors :: full screen problem

On 09/05/17 21:00, Alexander Pyhalov wrote:
On 05.09.2017 12:57, Alexander Pyhalov wrote:
On 09/05/17 12:49 PM, Predrag Zečević - Technical Support Analyst wrote:


On 09/05/17 11:09, Alexander Pyhalov wrote:
On 09/05/17 11:55 AM, Predrag Zečević - Technical Support Analyst
wrote:

Regarding script:

$ locate display-setup-script
[nothing]
$ pkg search -r display-setup-script [nothing]

Where to find it?

I meant /etc/lightdm/lightdm.conf setting 'display-setup-script'.


So,

you are able to play full screen video on one monitor only?

Which graphic card you use (I mean, if nvidia, did you used
nvidia-settings)?

Yes, if second monitor (TV) is unavailable, Mate uses just primary
monitor. In both cases I can play full-screen video with vlc. I
haven't used nvidia-settings tool, can look share xorg.conf or
Xorg.0.log in the evening.


I've found out that my desktop doesn't have xorg.conf and I see the
following in Xorg.0.log (see attachment).

---
System Administrator of Southern Federal University Computer Center


Hi AlP, all...

I just wanna share my frustration (as well as xorg.conf and Xorg.log.0 files). I have also tried configuration w/o xorg.conf - nothing has worked as expected.

I just gave up. So, to summarize:

a) under gnome (before mate) I was able to use xinerama and to have 2 different x screens on NVIDIA Corporation G92 [GeForce 9800 GT] card b) changed to MATE and 2 screens suddenly were "glued" into single space, so I have tried following (in order to get separate screens working):
    1) removed /etc/X11/xorg.conf - no luck
    2) called nvidia-settings (and tried also nvidia-xconfig) which have created xorg.conf file, but no luck in splitting screens (and being able to move applications between them - two completely separated/isolated x session is possible - that is not goal)     3) performed modifications as it was suggested by Ken Mays (in separate e-mail thread) and as it is suggested in http://http.download.nvidia.com/solaris/340.102/README/configtwinview.html and http://www.firstalt.co.uk/help/nvidia.html - but still there is no change (I always get "(WW) NVIDIA(0): Option "TwinView" is not used")     4) looks like System -> Preferences -> Hardware -> Monitors detects both monitors properly, their position, resolution, etc... but it is not of use in this case.

So, I have been stuck with one huge desktop, combining two monitors of different resolution and full screen playing on both (centered between
them) - very ugly for watching.

Many thanks for help. There is nothing to document unfortunately.

With best regards.

--
Predrag Zečević
Technical Support Analyst
2e Systems GmbH

tel: +49 - 6196 - 95058 - 15
mob: +49 - 174 - 3109288
fax: +49 - 6196 - 95058 - 94
e-mail: predrag.zece...@2e-systems.com

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