Xdiagnose won’t start unless launched via terminal with sudo

[Ty Young]

The Xdiagnose, despite being shown in the Overview as an application, won't start unless launched via terminal with sudo.

Description: Ubuntu 16.04 LTS
Release: 16.04

xdiagnose:
  Installed: 3.8.4
  Candidate: 3.8.4
  Version table:
 *** 3.8.4 500
        500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu xenial/main i386 Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: gnome-shell 3.18.4-0ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CurrentDesktop: GNOME
Date: Tue Apr 26 18:39:15 2016
DisplayManager: gdm3
InstallationDate: Installed on 2016-04-23 (3 days ago)
InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64 (20160421)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)

[Tim Lunn (darkxst)]

I thinnk at some point we were planning on hiding this in the overview (for Ubuntu GNOME) anyhow its not a gnome-shell bug, re-assigning

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[warren (wkclemmons)]

This Bug is present in Ubuntu-Gnome 16.10 daily version 20160714.

[Ubuntu QA Website (ubuntuqa)]

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1575423

[Timo Aaltonen (tjaalton)]

it runs fine on unity, and is actually a dupe of 1483276