It seems rather a kernel issue if modes are missing. if the request is
to be able to add custom modes under GNOME/wayland you should probably
report that request directly upstream on https://gitlab.gnome.org/GNOME
/gnome-control-center/issues
** Package changed: gnome-control-center (Ubuntu) => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/1825665
Title:
Cannot set 3440x1440 resolution for HP 34C external monitor (HDMI) on
ubuntu-wayland
Status in linux package in Ubuntu:
New
Bug description:
On the regular Ubuntu desktop I use an .xprofile with xrandr commands
that add the monitors native resolution as follows:
xrandr --newmode "3440x1440" 196.25 3440 3600 3952 4464 1440 1443 1453 1468
-hsync +vsync
xrandr --addmode HDMI-1 "3440x1440"
Unfortunately this doesn't work under wayland and I have not yet found
a solution. I have tried several ideas including a custom edid bin
file without success.
I'm reporting against the gnome-control-center since this corresponds
to the end user experience.
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: gnome-control-center 1:3.32.1-1ubuntu4
ProcVersionSignature: Ubuntu 5.0.0-13.14-generic 5.0.6
Uname: Linux 5.0.0-13-generic x86_64
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 20 18:21:23 2019
InstallationDate: Installed on 2018-08-25 (238 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
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