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[Tim <tim@xxxxxxxxxxxxxx>]

** Package changed: gdm (Ubuntu) => gnome-shell (Ubuntu)

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https://bugs.launchpad.net/bugs/1495479

Title:
  Strange dimming effect when setting sRGB image as desktop background
  image and activating desktop icons

Status in One Hundred Papercuts:
  Confirmed
Status in Ubuntu GNOME:
  Confirmed
Status in gnome-shell package in Ubuntu:
  Confirmed

Bug description:
  I have recently noticed that when setting sRGB images as the desktop
  image, and having the desktop icons active (gsettings set
  org.gnome.desktop.background show-desktop-icons true) that there is a
  strange dimming effect, so I turn my machine on, log on, and then I
  see my image normally for a few seconds, then suddenly it is dimmed
  and stays like that, there are only a few seconds on login that I can
  then see it normally for.

  But I find that if I set desktop icons to inactive (gsettings set
  org.gnome.desktop.background show-desktop-icons false) that the
  problem goes away until I reactivate them, in which case the immediate
  moment that I turn them back on in the settings the desktop image
  dims.

  However this does not occur with just normal RGB or PNG images.

  ---

  OS Information:

      No LSB modules are available.
      Distributor ID:	Ubuntu
      Description:	Ubuntu 15.04
      Release:	15.04
      Codename:	vivid
      Flavour: GNOME
      GNOME Version: 3.16

  Package Information:

      gdm:
        Installed: 3.16.1.1-0ubuntu1~vivid2
        Candidate: 3.16.1.1-0ubuntu1~vivid2
        Version table:
       *** 3.16.1.1-0ubuntu1~vivid2 0
              500 http://ppa.launchpad.net/gnome3-team/gnome3-staging/ubuntu/ vivid/main amd64 Packages
              100 /var/lib/dpkg/status
           3.14.1-0ubuntu3 0
              500 http://archive.ubuntu.com/ubuntu/ vivid/universe amd64 Packages

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: gdm 3.16.1.1-0ubuntu1~vivid2 [origin: LP-PPA-gnome3-team-gnome3-staging]
  ProcVersionSignature: Ubuntu 3.19.0-28.30-generic 3.19.8-ckt5
  Uname: Linux 3.19.0-28-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.4
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Mon Sep 14 12:34:32 2015
  InstallationDate: Installed on 2015-07-29 (47 days ago)
  InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64 (20150422)
  SourcePackage: gdm
  UpgradeStatus: No upgrade log present (probably fresh install)

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