Display size detected incorrectly

Bug #1802281 reported by psypher on 2018-11-08
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
mutter (Ubuntu)
Undecided
Unassigned

Bug Description

Since upgrading from 16.04 to 18.04, my LG 34" (Model 34UM68-P) is only detecting as 1920x1080@16:9 where is should be 2560x1080@21:9.

I tried the 18.10 live USB and the same issue is happening.
---
ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.4
Architecture: amd64
CurrentDesktop: GNOME
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2017-04-08 (578 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
Package: mutter 3.28.3-2~ubuntu18.04.1
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 4.15.0-36.39-generic 4.15.18
Tags: third-party-packages bionic
Uname: Linux 4.15.0-36-generic x86_64
UpgradeStatus: Upgraded to bionic on 2018-10-16 (22 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True

psypher (psypher246) wrote :

Xrandr attached

tags: added: apport-collected bionic third-party-packages
description: updated

apport information

apport information

apport information

psypher (psypher246) wrote :

Seems to be related to this report: 1792167

No updates on there yet, could someone please urgently respond.

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