Monitor setup doesn't apply until login

Bug #1880514 reported by Silas Wulff
This bug affects 1 person
Affects Status Importance Assigned to Milestone
gdm3 (Ubuntu)

Bug Description

I have my laptop sitting in half-clamshell on the desk hooked up to external monitor via HDMI.
By default my monitor config is to have the screen displayed only on the monitor on my desk and not the laptop.

This work fine as soon as I log in, however at the login stage it has defaulted to displaying the screens in extended mode, with primary display on my laptop, which means I have to move the PC, open it up and login there before the displays go back to the setting I have chosen.

Generally not an issue except its a nuisance to have to move them around every time I login.

Wondering if this is a big or if its intended behaviour ?

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gdm3 3.34.1-1ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-31.35-generic 5.4.34
Uname: Linux 5.4.0-31-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Mon May 25 08:05:02 2020
InstallationDate: Installed on 2020-05-03 (21 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
SourcePackage: gdm3
UpgradeStatus: No upgrade log present (probably fresh install)

Revision history for this message
Silas Wulff (silaswulff) wrote :
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1760849, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.

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