[Bug 1615916] [NEW] Ubuntu upgrade failed 14.04 -> 16.04 (pptpd)

[Taner Halicioglu]

Public bug reported:

I don't think this matches the ones that search turned up.

I was upgrading a Linode VM from 14.04 to 16.04 (do-release-upgrade),
and after seeming to upgrade everything(?), it spat this out at the end:

==================================================================================
Errors were encountered while processing:
 pptpd
Error in function:


A fatal error occurred

Please report this as a bug and include the files
/var/log/dist-upgrade/main.log and /var/log/dist-upgrade/apt.log in
your report. The upgrade has aborted.
Your original sources.list was saved in
/etc/apt/sources.list.distUpgrade.

SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)


Could not install the upgrades

The upgrade has aborted. Your system could be in an unusable state. A
recovery will run now (dpkg --configure -a).

Please report this bug in a browser at
http://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+filebug
and attach the files in /var/log/dist-upgrade/ to the bug report.
installArchives() failed

Setting up pptpd (1.4.0-7ubuntu0.1) ...
Failed to restart systemd-modules-load.service: No such method 'RestartUnit'
See system logs and 'systemctl status systemd-modules-load.service' for details.
dpkg: error processing package pptpd (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 pptpd

Upgrade complete

The upgrade has completed but there were errors during the upgrade
process.
==================================================================================


Scrolling back up in teh screen session, I see that same set of lines:

==================================================================================
Setting up pptpd (1.4.0-7ubuntu0.1) ...
Failed to restart systemd-modules-load.service: No such method 'RestartUnit'
See system logs and 'systemctl status systemd-modules-load.service' for details.
dpkg: error processing package pptpd (--configure):
 subprocess installed post-installation script returned error exit status 1
==================================================================================

That seems to be the only thing that spat out any sort of error.

I will attempt to see what happens after reboot.  (Worst case, I will
restore from the snapshot I took just before the upgrade attempt)

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1615916

Title:
  Ubuntu upgrade failed 14.04 -> 16.04 (pptpd)

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  I don't think this matches the ones that search turned up.

  I was upgrading a Linode VM from 14.04 to 16.04 (do-release-upgrade),
  and after seeming to upgrade everything(?), it spat this out at the
  end:

  ==================================================================================
  Errors were encountered while processing:
   pptpd
  Error in function:

  
  A fatal error occurred

  Please report this as a bug and include the files
  /var/log/dist-upgrade/main.log and /var/log/dist-upgrade/apt.log in
  your report. The upgrade has aborted.
  Your original sources.list was saved in
  /etc/apt/sources.list.distUpgrade.

  SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)


  Could not install the upgrades

  The upgrade has aborted. Your system could be in an unusable state. A
  recovery will run now (dpkg --configure -a).

  Please report this bug in a browser at
  http://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+filebug
  and attach the files in /var/log/dist-upgrade/ to the bug report.
  installArchives() failed

  Setting up pptpd (1.4.0-7ubuntu0.1) ...
  Failed to restart systemd-modules-load.service: No such method 'RestartUnit'
  See system logs and 'systemctl status systemd-modules-load.service' for details.
  dpkg: error processing package pptpd (--configure):
   subprocess installed post-installation script returned error exit status 1
  Errors were encountered while processing:
   pptpd

  Upgrade complete

  The upgrade has completed but there were errors during the upgrade
  process.
  ==================================================================================


  Scrolling back up in teh screen session, I see that same set of lines:

  ==================================================================================
  Setting up pptpd (1.4.0-7ubuntu0.1) ...
  Failed to restart systemd-modules-load.service: No such method 'RestartUnit'
  See system logs and 'systemctl status systemd-modules-load.service' for details.
  dpkg: error processing package pptpd (--configure):
   subprocess installed post-installation script returned error exit status 1
  ==================================================================================

  That seems to be the only thing that spat out any sort of error.

  I will attempt to see what happens after reboot.  (Worst case, I will
  restore from the snapshot I took just before the upgrade attempt)

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