[Bug 1751421] Re: software updater causes mouse buttons to stop working

[gf]

Hi Martha and Humphrey,
For the ease of the programmers, I will add some extra information here to complete the bug. Please feel free to add any corrections.
-----------------------

SUMMARY:
Ubuntu version 18.04 and 16.04
Problem is sporadic - doesn’t happen all the time; has happened more than once for each person (three people).

Steps to reproduce:
1. user notices the update icon in the launchbar.
2. user clicks the icon.
3. when trying to click "install now," the mouse button didn't work.
4. rebooted of the computer  and the mouse works again.

Actual behaviour: when wanting to click “install now” the mouse is
unresponsive.

Expected behaviour: Mouse should work.

Additional notes:
-----------------------
Bug triager is unable to reproduce the bug.

Thanks
G

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https://bugs.launchpad.net/bugs/1751421

Title:
  software updater causes mouse buttons to stop working

Status in update-manager package in Ubuntu:
  Confirmed

Bug description:
  I start Software Updater and after it has done its job it wants me to click one of <settings>. <restart later> and <restart now>, but the mouse buttons do not respond anymore, though the keyboard is able to access those buttons.
  I am able to click one of the icons on the taskbar.  

  Note that this occurs intermittently and has been occurring for a few
  months now.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: update-manager 1:16.04.12
  ProcVersionSignature: Ubuntu 4.4.0-116.140-generic 4.4.98
  Uname: Linux 4.4.0-116-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sat Feb 24 18:11:24 2018
  ExecutablePath: /usr/bin/update-manager
  GsettingsChanges:
   b'com.ubuntu.update-manager' b'show-details' b'true'
   b'com.ubuntu.update-manager' b'first-run' b'false'
   b'com.ubuntu.update-manager' b'window-width' b'484'
   b'com.ubuntu.update-manager' b'launch-time' b'int64 1519456233'
  InstallationDate: Installed on 2017-02-12 (377 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  InterpreterPath: /usr/bin/python3.5
  PackageArchitecture: all
  ProcEnviron:
   PATH=(custom, user)
   SHELL=/bin/bash
   LANG=en_AU.UTF-8
   LANGUAGE=en_AU:en
   XDG_RUNTIME_DIR=<set>
  SourcePackage: update-manager
  UpgradeStatus: No upgrade log present (probably fresh install)

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