Separate X Screens - possible on Intel Integrated HD Graphics?

[Jasper St. Pierre]

There are other ways of getting multi-monitor support other than using
two separate X screens. The most recent and modern way is XRandR. So
instead of epoxying your monitor port, or using X screens, you should
try to use XRandR.

Separate X screens are complicated, and is likely not the experience
you want. Desktops like GNOME have not supported that for a long time,
and GTK+ has started to remove support for multi-screen X.

On Fri, Jan 15, 2016 at 6:35 AM, Ken Taylor <di604admin at embarqmail.com> wrote:
> Good morning and pardon me if this is a dead end question.  I have seen some
> references to it in the archives including a couple of responses from Intel
> folks saying NO.  The most recent was dated 2011 so I am hoping the answer
> may have changed.
>
> I have a couple of Dell Inspiron 3050 PCs with "Intel HD Graphics". The
> machines have two video outputs (Displayport and HDMI) and WILL drive two
> monitors.  However, I have not been able to establish separate X screens.
> Here is a little more detailed information about the hardware:
>
> from lspci:
>
> 00:02.0 VGA compatible controller: Intel Corporation Atom Processor
> Z36xxx/Z37xxx Series Graphics & Display (rev 0e) (prog-if 00 [VGA
> controller])
>         Subsystem: Dell Device 0703
>         Flags: bus master, fast devsel, latency 0, IRQ 91
>         Memory at d0000000 (32-bit, non-prefetchable) [size=4M]
>         Memory at c0000000 (32-bit, prefetchable) [size=256M]
>         I/O ports at f080 [size=8]
>         Expansion ROM at <unassigned> [disabled]
>         Capabilities: <access denied>
>         Kernel driver in use: i915
>
> Operating systems include CentOS 7, Ubuntu Mate 15.10 and Linux Mint Mate
> 17.3 although I do not think that is a limitation.
>
> Can someone offer a definitive NO which will put me out of my misery - I
> will fill one of the video sockets with epoxy and never connect two monitors
> :-) Or a "yes it is possible" in which case I will continue banging my head
> against the problem.
>
> Many thanks,
>
> Ken
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-- 
  Jasper