Separate X Screens - possible on Intel Integrated HD Graphics?

[Ken Taylor]

Because A) I saw mention of the issue in the archives of THIS list and 
B) I was not aware of the referenced list.  I will check over there. Thanks!

On 01/16/2016 01:50 PM, Felix Miata wrote:
> [why here and not the intel-gfx mailing list?].....
>
> Ken Taylor composed on 2016-01-16 12:52 (UTC-0500):
>
>> I do not need to be able to move open applications from one screen
>> (monitor) to the other. I start them on the screen (monitor) where I
>> wish to use them. And YES I can copy/paste data from an application on
>> one monitor to an application on the other - I do this all the time. I
>> routinely copy data from an application on one monitor on the host to a
>> virtual machine running on the other monitor.
>   
>> When I first created my separate X screens the second monitor did not
>> have panels. I created them and added the launchers for the applications
>> which I intended to run on that monitor.
>   
>> System; Preferences; Hardware; Display does NOT provide a way to
>> configure the monitors in away to accomplish these things (Ubuntu 9.10,
>> 10.04, 15.04, CentOS 7, CentOS 7).
>   
>> I appreciate all of the input folks are providing. However, I asked the
>> simple question if separate X screens could be configured on Intel
>> integrated graphics.  The discussion seems to have degenerated into "you
>> don't want to do" what I wish to do and "you should try something else."
>   
>> PLEASE if someone knows the answer YES or NO - tell me. If the answer is
>> no I will reserve the Intel graphics machines for single monitor or
>> headless use and use my Nvidia machines for dual hear use.
> What you're asking has had me puzzled from the start. On multiple Intel video
> output systems I have, as old as a SFF Dell Optiplex 780 with DisplayPort and
> VGA and as new as Haswell with VGA, DVI and HDMI, either mirrored or extended
> desktop configurations were no easier or harder to to with xorg.conf or xrandr
> than with nouveau or radeon drivers. So, I don't get what the driver could
> have to do with the "Individual Panels" you want (and I don't grok).
>
> e.g.
> #xrandr --dpi 108 --output DP1 --mode 1680x1050 --right-of VGA1 --output VGA1 --mode 1600x1200 # intel dual
>
> is currently provding the following for Trinity Desktop on my Dell:
> gx780:~ $ grep 'using VT' /var/log/Xorg.0.log
> [   431.108] (--) using VT number 7
> gx780:~ $ lspci | grep VGA
> 00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
> gx780:~ $ grep chipsets /var/log/Xorg.0.log | egrep -v 'VESA|FBDEV'
> gx780:~ $ grep PRETTY /etc/os-release
> PRETTY_NAME="openSUSE 13.2 (Harlequin) (x86_64)"
> gx780:~ $ grep 'X.Org X Server' /var/log/Xorg.0.log
> X.Org X Server 1.16.1
> gx780:~ $ grep 'Current Operating System' /var/log/Xorg.0.log
> [   431.062] Current Operating System: Linux gx780 3.16.6-2-desktop #1 SMP PREEMPT Mon Oct 20 13:47:22 UTC 2014 (feb42ea) x86_64
> gx780:~ $ grep 'Kernel Command Line' /var/log/Xorg.0.log
> [   431.062] Kernel command line: root=LABEL=17os13264 ipv6.disable=1 net.ifnames=0 noresume splash=0 vga=791 video=1024x768 at 60 3
> gx780:~ $ grep Output /var/log/Xorg.0.log | egrep -v 'disconnec|no monit' | grep -v 'nitor sect'
> [   431.112] (--) intel(0): Output VGA1 using initial mode 1024x768 on pipe 0
> [   431.112] (--) intel(0): Output DP1 using initial mode 1024x768 on pipe 1
> gx780:~ $ egrep -i "physical size|cm]" /var/log/Xorg.0.log
> [   431.161] (II) intel(0): Setting screen physical size to 270 x 203
> gx780:~ $ grep -v ^\# /etc/X11/xorg.conf.d/50-monitor.conf | grep DisplaySize
> gx780:~ $ grep -v ^\# /etc/X11/xorg.conf | grep DisplaySize
> grep: /etc/X11/xorg.conf: No such file or directory
> gx780:~ $ grep -v ^\# /etc/X11/xorg.conf.d/50-monitor.conf | grep PreferredMode
> gx780:~ $ grep -v ^\# /etc/X11/xorg.conf | grep PreferredMode
> grep: /etc/X11/xorg.conf: No such file or directory
> gx780:~ $ grep -v ^\# /etc/X11/xinit/xinitrd.d/setup | grep xrandr
> xrandr --dpi 108 --output DP1 --mode 1680x1050 --right-of VGA1 --output VGA1 --mode 1600x1200 # intel dual
> gx780:~ $ xrdb -query | grep dpi
> gx780:~ $ xrandr | egrep 'onnect|creen|\*' | grep -v disconn | sort -r
> VGA1 connected 1600x1200+0+0 (normal left inverted right x axis y axis) 388mm x 291mm
> Screen 0: minimum 8 x 8, current 3280 x 1200, maximum 32767 x 32767
> DP1 connected 1680x1050+1600+0 (normal left inverted right x axis y axis) 474mm x 296mm
>     1680x1050     59.97*+  74.89
>     1600x1200     85.00*   75.00    70.00    65.00    60.00
> gx780:~ $ xdpyinfo | egrep 'dimen|ution'
>    dimensions:    3280x1200 pixels (771x282 millimeters)
>    resolution:    108x108 dots per inch
>
> Could it be there is some limitation exclusive to Atom causing your frustration?