Comment 135 for bug 1292398

Our setup:

1. Older GPU(Integrated Intel® HD Graphics 2000)

2. Always using some sort of display multiplexer(splitter) on VGA out to
dual TV’s, previously, now only single local monitor on VGA and 4K
Tx(wireless) on HDMI out to a projector, currently.

Thoughts:

1. Could the splitter or wireless transmitter be inducing some sort of
delay or interference with the EDID detection of the monitors expected by
gdm3 + gnome-session + mutter in an X11 session?

2. What is slick-greeter doing differently from gdm3 that avoids this
problem?

3. Does LightDM differ from slick-greeter all that much?

On Thu, Apr 18, 2019 at 07:15 Christopher Nelson <email address hidden>
wrote:

> To reproduce it, try switching the order of your displays. For example,
> make the display on port 0 be on the right of the display on port 1
> (instead of the "natural" order of 0=left, 1=right.) I also notice that
> changing the orientation of the primary display to "portrait right"
> causes problems, whereas landscape or portrait left don't.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1292398
>
> Title:
> Second screen position isn't saved from one session to another
>
> Status in elementary OS:
> Fix Released
> Status in GNOME Settings Daemon:
> Incomplete
> Status in GNOME Shell:
> Confirmed
> Status in Ubuntu GNOME:
> Confirmed
> Status in Ubuntu GNOME trusty series:
> Confirmed
> Status in Ubuntu GNOME xenial series:
> Confirmed
> Status in Ubuntu GNOME Flashback:
> Confirmed
> Status in Unity:
> New
> Status in gnome-settings-daemon package in Ubuntu:
> Triaged
> Status in gnome-shell package in Ubuntu:
> Confirmed
> Status in mutter package in Ubuntu:
> Confirmed
>
> Bug description:
> (Noticed on Ubuntu 14.04 beta 1 GNOME)
> At work I have a second screen, which I prefer to virtually put on the
> left side of my laptop screen.
> Using gnome-control-center I can change the position of the second
> without problem.
> But when I disconnect the second screen (to work on another place) and
> then connect it again
> OR if I just power off the laptop and turn it on again,
> the second screen position is set back to the default right position.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 14.04
> Package: gnome-control-center 1:3.6.3-0ubuntu53
> ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
> Uname: Linux 3.13.0-17-generic x86_64
> ApportVersion: 2.13.3-0ubuntu1
> Architecture: amd64
> CurrentDesktop: GNOME
> Date: Fri Mar 14 08:50:00 2014
> InstallationDate: Installed on 2014-03-01 (12 days ago)
> InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64
> (20140226)
> ProcEnviron:
> TERM=xterm
> PATH=(custom, no user)
> XDG_RUNTIME_DIR=<set>
> LANG=fr_FR.UTF-8
> SHELL=/bin/bash
> SourcePackage: gnome-control-center
> UpgradeStatus: No upgrade log present (probably fresh install)
> usr_lib_gnome-control-center: deja-dup 29.5-0ubuntu2
>
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>