apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1792167/+attachment/5202047/+files/ProcEnviron.txt
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https://bugs.launchpad.net/bugs/1792167
Title:
Display size detected incorrectly
Status in mutter package in Ubuntu:
Incomplete
Status in qtbase-opensource-src package in Ubuntu:
Incomplete
Bug description:
My external monitor is detected as 7" although it is 32". All
applications which use Qt auto scaling have huge controls!
It seems like many users have the same problem
(https://ubuntuforums.org/showthread.php?t=2390362) and thus disable
Qt auto scaling. I think the solution should be to fix the size
detection instead.
It seems not related to the display server, compositor or window
manager since the problem appeared in Ubuntu 17.04 (Mir, Unity) as
well es 18.04 (Mutter, Gnome). I tried it with both Wayland and X (on
Wayland).
Further, it seems not related to graphics driver, since I personally
use the open source driver with my internal Intel card, whereas
someone else uses a proprietary Nvidia driver
(https://askubuntu.com/q/1066879/206608).
If it is in the wrong category, please move it / add the corresponding
packages.
If you need any further information to tackle the problem, just tell me!
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ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.3
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2017-09-05 (372 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
Package: qtbase-opensource-src
PackageArchitecture: amd64
Tags: bionic
Uname: Linux 4.18.7-041807-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom davfs2 dip docker lpadmin plugdev sambashare sudo
vboxusers video voice
_MarkForUpload: True
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