Thank you for reporting this bug to Ubuntu. Ubuntu 19.04 (disco) reached end-of-life on January 23, 2020.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in and change the bug status to Confirmed. ** Changed in: mutter (Ubuntu) Status: Incomplete => Won't Fix ** Changed in: gnome-shell (Ubuntu) Status: Incomplete => Won't Fix -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1852864 Title: Fractional Scaling shows a black bar on secondary monitor Status in gnome-shell package in Ubuntu: Won't Fix Status in mutter package in Ubuntu: Won't Fix Bug description: The right part of the external screen shows a black bar when using fractional scaling. This started happening this week. Somebody else is also experiencing this problem: * [ubuntu discourse post](https://discourse.ubuntu.com/t/x11-hidpi-scaling-available-for-testing-on-disco/10293/23) * [photo](https://ubuntucommunity.s3-us-east-2.amazonaws.com/original/2X/5/509069037c78c1e5b461e526236ffeb207de1025.jpg) Attached monitors: * External 4K * Laptop: qhd Tried connection types: * HDMI (30hz), * HDMI over usb-c * DP over usb-c Fractional scaling was set up in this way: `gsettings set org.gnome.mutter experimental-features "['x11-randr-fractional-scaling']"` It doesn't seem to be monitor related. It works when: * using wayland * turning off fractional scaling * during boot and login Installed software: * ubuntu 19.04 * Gnome 3.32.1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1852864/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
