Upstream bug:
https://gitlab.gnome.org/GNOME/mutter/issues/3
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When dragging a window between displays, I can see cpu usage increase while framerate drops dramatically to single numbers.
Desktop scaling is 1.0, one is a WXGA screen and another FHD.
Ubuntu session (wayland), 17.10.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: gnome-shell 3.26.1-0ubuntu5
ProcVersionSignature: Ubuntu 4.13.0-16.19-lowlatency 4.13.4
Uname: Linux 4.13.0-16-lowlatency x86_64
ApportVersion: 2.20.7-0ubuntu3.1
Architecture: amd64
CurrentDesktop: Unity:Unity7:ubuntu
Date: Mon Nov 6 17:09:20 2017
DisplayManager: lightdm
GsettingsChanges:
b'org.gnome.shell' b'favorite-apps' b"['/home/development/bin/firefox.desktop', 'org.gnome.Nautilus.desktop', 'jetbrains-phpstorm.desktop', 'code.desktop', 'postman.desktop', 'standard_notes.desktop']"
b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
b'org.gnome.desktop.interface' b'icon-theme' b"'ePapirus'"
b'org.gnome.desktop.interface' b'gtk-theme' b"'DarkNumix'"
InstallationDate: Installed on 2016-03-13 (603 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160307)
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to artful on 2017-10-19 (17 days ago)
Thank you for taking the time to report this bug and helping to make Ubuntu better. The issue you are reporting is an upstream one and it would be nice if somebody having it could send the bug to the developers of the software by following the instructions at https:/ /wiki.ubuntu. com/Bugs/ Upstream/ GNOME. If you have done so, please tell us the number of the upstream bug (or the link), so we can add a bugwatch that will inform us about its status. Thanks in advance.