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Re: two graphics cards and two monitors

On Fri, 03 Nov 2017, Eric S Fraga wrote:
> I am trying to get a similar system configure with Debian testing/buster
> and not getting anywhere beyond having two monitors on a single card
> recognised.  I have three monitors, two on first card and 1 on second
> card.  Only the ones of the first card are getting managed by
> Xorg.  Although the second card and associated monitor are found by
> Xorg, I cannot seem to get Xorg to configure and actually use this third
> monitor.

What does the output of xrandr; look like?

What happens if you run xrandr --output DVI-I-1-2 --auto; ?

> I can post Xorg.0.log as well as my current xorg.conf if anybody is
> interested. Without an xorg-conf at all, I get the same effective
> behaviour: two monitors working but third one ignored.

Also, is there any reason why you're defining a monitor section in your
xorg.conf? [If your displays are just rotated, you'd be better off
issuing xrandr commands to run the rotation immediately upon login or
similar, IMO. Or using autorandr or similar.]

Don Armstrong                      https://www.donarmstrong.com

Le temps est un grand maître, dit-on; le malheur est qu'il soit un
maître inhumain qui tue ses élèves.
Time is a great teacher, but unfortunately it kills all its pupils.
 -- Hector Berlioz

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