Public bug reported: xdypinfo reports wrong screen dimensions and resolution (always 96x96 dpi).
$ xdpyinfo | grep -B2 resolution screen #0: dimensions: 3840x2160 pixels (1016x571 millimeters) resolution: 96x96 dots per inch However, xrandr reports the right dimensions: $ xrandr Screen 0: minimum 8 x 8, current 3840 x 2160, maximum 32767 x 32767 DP1 connected primary 3840x2160+0+0 (normal left inverted right x axis y axis) 600mm x 340mm $ lsb_release -rd Description: Ubuntu 16.04.1 LTS Release: 16.04 $ apt-cache policy xorg xorg: Installiert: 1:7.7+13ubuntu3 Installationskandidat: 1:7.7+13ubuntu3 Versionstabelle: *** 1:7.7+13ubuntu3 500 500 http://de.archive.ubuntu.com/ubuntu xenial/main amd64 Packages 100 /var/lib/dpkg/status As suggested in https://bugs.launchpad.net/ubuntu/+source/xorg- server/+bug/201491/comments/23 I filed a new report for this. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+13ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16 Uname: Linux 4.4.0-36-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 CurrentDesktop: KDE Date: Sun Sep 4 22:53:47 2016 InstallationDate: Installed on 2016-09-03 (1 days ago) InstallationMedia: Kubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug third-party-packages xenial -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1620123 Title: xdpyinfo reports wrong screen dimensions Status in xorg package in Ubuntu: New Bug description: xdypinfo reports wrong screen dimensions and resolution (always 96x96 dpi). $ xdpyinfo | grep -B2 resolution screen #0: dimensions: 3840x2160 pixels (1016x571 millimeters) resolution: 96x96 dots per inch However, xrandr reports the right dimensions: $ xrandr Screen 0: minimum 8 x 8, current 3840 x 2160, maximum 32767 x 32767 DP1 connected primary 3840x2160+0+0 (normal left inverted right x axis y axis) 600mm x 340mm $ lsb_release -rd Description: Ubuntu 16.04.1 LTS Release: 16.04 $ apt-cache policy xorg xorg: Installiert: 1:7.7+13ubuntu3 Installationskandidat: 1:7.7+13ubuntu3 Versionstabelle: *** 1:7.7+13ubuntu3 500 500 http://de.archive.ubuntu.com/ubuntu xenial/main amd64 Packages 100 /var/lib/dpkg/status As suggested in https://bugs.launchpad.net/ubuntu/+source/xorg- server/+bug/201491/comments/23 I filed a new report for this. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+13ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16 Uname: Linux 4.4.0-36-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 CurrentDesktop: KDE Date: Sun Sep 4 22:53:47 2016 InstallationDate: Installed on 2016-09-03 (1 days ago) InstallationMedia: Kubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1620123/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp