[Bug 966451] Re: When xscreensaver/xlockmore isn't properly stopped, the upgrade leads to a broken system

[Erick Brunzell]

Where I said, "we need to look to see if xscreensaver or xlockmore are
installed prior to beginning the dist-upgrade and then disable both
before continuing to prevent confusion", I wish I'd said;

"ubuntu-release-upgrader needs to look to see if xscreensaver or
xlockmore are installed before proceeding with the upgrade, and if
installed they need to be disabled before the dist-upgrade proceeds in
order to prevent confusion".

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https://bugs.launchpad.net/bugs/966451

Title:
  When xscreensaver/xlockmore isn't properly stopped, the upgrade leads
  to a broken system

Status in Software Updater:
  New
Status in “ubuntu-release-upgrader” package in Ubuntu:
  New

Bug description:
  During the installation, the following message is shown:

  "Configuring libc6
  xscreensaver and xlockmore must be restarted before upgrading
  One or more running instances of xscreensaver or xlockmore have been detected on this system. Because of incompatible library changes, the upgrade of the GNU libc library will leave you unable to authenticate to these programs. You should arrange for these programs to be restarted or stopped before continuing this upgrade, to avoid locking your users out of their current sessions."

  If you close the window by clicking the close button, the installation
  is broken. However if you click "Continue", the installation proceeds
  normally.

  Affected upgrades include:
  – Lubuntu 11.10 to 12.04 (i386)
  – Lubuntu 12.10 to 13.04 (i386 and amd64)
  – Can be confirmed on Xubuntu upgrades as well

  Preferred solution:
  The installer should be able to stop xscreensaver and xlockmore automatically.

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