Public bug reported:
Ubuntu 20.04 LTS
gnome-tweaks 3.34.0-2ubuntu1
AOC USB monitor
Bus 002 Device 002: ID 17e9:ff10 DisplayLink I1659FWUX
What I expected to happen:
When the USB3.0 Displaylink monitor is plugged in and gnome-tweaks installed
the display remains on and attached as a monitor
What happened instead:
Installed fresh Ubuntu 20.04
Installed the Displaylink driver
Ran the machine for 3 days both the primary display and extended USB display
worked fine
Installed gnome-tweaks
sudo apt install gnome-tweaks
the USB3.0 monitor goes black and is removed from the screen settings and xrandr
uninstall gnome-tweaks
sudo apt purge gnome-tweaks
the USB3.0 monitor turns on again and is visible in lsusb and xrandr
install gnome-tweaks
USB3.0 monitor goes blank and removed from xrandr
restart the Displaylink driver
sudo systemctl restart displaylink-driver.service
screen remains blank and removed from xrandr
uninstall gnome tweaks
screen turns back on again and everything is back to normal.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-tweaks 3.34.0-2ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44
Uname: Linux 5.4.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.4
Architecture: amd64
CasperMD5CheckResult: skip
Date: Sat Jul 18 21:31:40 2020
InstallationDate: Installed on 2020-07-14 (3 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=nl_NL.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-tweaks
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-tweaks (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1888080
Title:
gnome-tweaks stops USB3.0 video output to DisplayLink screen
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