You have been subscribed to a public bug:
Trying to set up MST display with Intel graphics card (Dell XPS 12 9360,
Intel HD 620), but the second half of the screen is shifted randomly and
is flickering (attached screenshot).
uname -r
4.10.0-14-generic
cat ~/.xprofile
#!/bin/sh
xrandr --addmode DP-1 "2560x2880" &&
xrandr --output DP-1 --above eDP-1 --mode "2560x2880" &&
xrandr --output DP-2 --right-of DP-1 --mode "2560x2880"
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.10.0-14-generic 4.10.0-14.16~16.04.1
ProcVersionSignature: Ubuntu 4.10.0-14.16~16.04.1-generic 4.10.3
Uname: Linux 4.10.0-14-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
CurrentDesktop: Unity
Date: Mon May 1 09:39:32 2017
InstallationDate: Installed on 2017-04-15 (16 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64
(20170215.2)
SourcePackage: linux-hwe-edge
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: dell-sputnik
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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MST display setup show shifted, flickering picture in second half of the screen
https://bugs.launchpad.net/bugs/1687413
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