[Bug 578688] Re: gksu password prompt returns no error if password incorrect

[Robert Roth]

*** This bug is a duplicate of bug 773284 ***
    https://bugs.launchpad.net/bugs/773284

** This bug is no longer a duplicate of bug 689180
   update-manager doesn't report authentication failure
** This bug has been marked a duplicate of bug 773284
   gksu behavior on bad password

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https://bugs.launchpad.net/bugs/578688

Title:
  gksu password prompt returns no error if password incorrect

Status in “update-manager” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: update-manager

  When using update-manager, if an incorrect password is entered after
  clicking 'Check' or 'Install Updates', no error is given.

  Steps to reproduce:

  1. Open update-manager
  2. Click 'Check' or, if updates are available, 'Install Updates'
  3. Enter an incorrect password when prompted.
  4. Your action is cancelled with no notification that the password was incorrect.

  This behaviour could cause users to believe, if checking, that no new
  updates are available, or if installing updates, that the system is
  unable to install the updates for reasons that refers from invalid
  credentials.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: update-manager 1:0.134.7
  ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
  Uname: Linux 2.6.32-22-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Tue May 11 09:23:50 2010
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_GB.utf8
   SHELL=/bin/bash
  SourcePackage: update-manager