Update manager freezed while configuring samba-common

[Gino Favero]

This is the automatically generated bug report after Update manager freezed while configuring samba-common.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libpam-winbind:amd64 2:4.3.11+dfsg-0ubuntu0.14.04.6
ProcVersionSignature: Ubuntu 4.4.0-67.88~14.04.1-generic 4.4.49
Uname: Linux 4.4.0-67-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.23
Architecture: amd64
Date: Fri Mar 24 18:52:27 2017
DuplicateSignature: package:libpam-winbind:amd64:2:4.3.11+dfsg-0ubuntu0.14.04.6:subprocess installed post-installation script returned error exit status 128
ErrorMessage: subprocess installed post-installation script returned error exit status 128
InstallationDate: Installed on 2016-11-20 (123 days ago)
InstallationMedia: Ubuntu 14.04.5 LTS "Trusty Tahr" - Release amd64 (20160803)
NmbdLog:

OtherFailedConnect: Yes
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.7
 apt 1.0.1ubuntu2.17
SambaServerRegression: Yes
SmbConfIncluded: Yes
SmbLog:

SourcePackage: samba
Title: package libpam-winbind:amd64 2:4.3.11+dfsg-0ubuntu0.14.04.6 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128
UpgradeStatus: No upgrade log present (probably fresh install)

[Nish Aravamudan (nacc)]

This symptomatically matches LP: #1646739

Setting up libpam-winbind:amd64 (2:4.3.11+dfsg-0ubuntu0.14.04.6) ...
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
Use of uninitialized value $ret in string eq at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 109.
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
dpkg: error processing package libpam-winbind:amd64 (--configure):
 subprocess installed post-installation script returned error exit status 128

Please re-run these commands from a terminal to avoid this issue.