Public bug reported:
1) $ lsb_release -rd
Description: Ubuntu 16.04.1 LTS
Release: 16.04
2)$ apt-cache policy x11-xserver-utils
x11-xserver-utils:
Installed: 7.7+7
Candidate: 7.7+7
Version table:
*** 7.7+7 500
500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
100 /var/lib/dpkg/status
3) With
`xrandr --output VGA-0 --brightness -0.5`
The B/W range should be #000 to around #777, like with:
`xrandr --output VGA-0 --brightness 0.5`
4) In stead, I get:
The B/W range is #777 to around #FFF. The white that should be after
inversion black is is 50% gray.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: x11-xserver-utils 7.7+7
ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
Uname: Linux 4.4.0-57-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
CurrentDesktop: XFCE
Date: Fri Jan 6 18:07:28 2017
InstallationDate: Installed on 2016-07-09 (181 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
SourcePackage: x11-xserver-utils
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: x11-xserver-utils (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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which is subscribed to x11-xserver-utils in Ubuntu.
https://bugs.launchpad.net/bugs/1654632
Title:
xrandr negative brightness has wrong color space range
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