Separate X Screens - possible on Intel Integrated HD Graphics?

[Ken Taylor]

On 01/15/2016 10:56 AM, Jasper St. Pierre wrote:
> 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.
Thanks but I have looked at a lot of documentation for XrandR. I do not 
see that XrandR can give me two monitors with distinct desktops.  
Changing monitor resolution and position relative to one another can be 
accomplished (in Mate or Gnome) with System; Preferences; Hardware; 
Monitor. Am I missing some functionality in 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.
Separate X screens gives me EXACTLY what I am after. That is why I asked 
the question.  Please see this page: 
http://jsmylinux.no-ip.org/basic-information/dual-monitors/ and have a 
look towards the bottom titled "Individual Panels".

Gnome 2 on CentOS 6 works fine as does Mate on CentOS 7 and Ubuntu 
15.10. I have not tried Gnome 3 - at least not that I can recall. It is 
almost as bad as Ubuntu Unity.
> 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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>
>