[Bug 1734212] [NEW] package openssh-server 1:7.5p1-10 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[tenwit]

Public bug reported:

Happened during upgrade of Ubuntu from 17.04 to 17.10.
Stepped away from desk; when I came back I was locked out.
I didn't recognize the lock screen.
There was no way to log back into the session, no password prompt etc.
I switched to a VT and monitored top for a while: "artful" was minimally active, but never about 2% CPU and memory never changed; I guessed it was waiting for a user prompt which I'd never be able to give, so I rebooted.
I got this error on boot.

The system is now usable. I've done `dpkg configure -a; apt upgrade` and
it's all working as I'd expect.

ProblemType: Package
DistroRelease: Ubuntu 17.10
Package: openssh-server 1:7.5p1-10
ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8
Uname: Linux 4.13.0-17-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.5
Architecture: amd64
Date: Fri Nov 24 10:52:14 2017
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2017-10-12 (42 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
Python3Details: /usr/bin/python3.6, Python 3.6.3, python3-minimal, 3.6.3-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.14, python-minimal, 2.7.14-2ubuntu1
RelatedPackageVersions:
 dpkg 1.18.24ubuntu1
 apt  1.5.1
SourcePackage: openssh
Title: package openssh-server 1:7.5p1-10 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to artful on 2017-11-23 (0 days ago)

** Affects: openssh (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-package artful

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https://bugs.launchpad.net/bugs/1734212

Title:
  package openssh-server 1:7.5p1-10 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 1

Status in openssh package in Ubuntu:
  New

Bug description:
  Happened during upgrade of Ubuntu from 17.04 to 17.10.
  Stepped away from desk; when I came back I was locked out.
  I didn't recognize the lock screen.
  There was no way to log back into the session, no password prompt etc.
  I switched to a VT and monitored top for a while: "artful" was minimally active, but never about 2% CPU and memory never changed; I guessed it was waiting for a user prompt which I'd never be able to give, so I rebooted.
  I got this error on boot.

  The system is now usable. I've done `dpkg configure -a; apt upgrade`
  and it's all working as I'd expect.

  ProblemType: Package
  DistroRelease: Ubuntu 17.10
  Package: openssh-server 1:7.5p1-10
  ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8
  Uname: Linux 4.13.0-17-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3.5
  Architecture: amd64
  Date: Fri Nov 24 10:52:14 2017
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationDate: Installed on 2017-10-12 (42 days ago)
  InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  Python3Details: /usr/bin/python3.6, Python 3.6.3, python3-minimal, 3.6.3-0ubuntu2
  PythonDetails: /usr/bin/python2.7, Python 2.7.14, python-minimal, 2.7.14-2ubuntu1
  RelatedPackageVersions:
   dpkg 1.18.24ubuntu1
   apt  1.5.1
  SourcePackage: openssh
  Title: package openssh-server 1:7.5p1-10 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: Upgraded to artful on 2017-11-23 (0 days ago)

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