package libpam-systemd:amd64 219-7ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128

[wgroiss]

Bug occured while (dayli) updating system 15.04. It stopped while updating grub2. Terminal window was frozen ...

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: libpam-systemd:amd64 219-7ubuntu1
ProcVersionSignature: Ubuntu 3.19.0-12.12-generic 3.19.3
Uname: Linux 3.19.0-12-generic x86_64
ApportVersion: 2.17-0ubuntu2
Architecture: amd64
Date: Sat Apr 11 09:13:54 2015
DuplicateSignature: package:libpam-systemd:amd64:219-7ubuntu1:subprocess installed post-installation script returned error exit status 128
ErrorMessage: subprocess installed post-installation script returned error exit status 128
InstallationDate: Installed on 2015-03-31 (10 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
RelatedPackageVersions:
 dpkg 1.17.24ubuntu2
 apt 1.0.9.7ubuntu4
SourcePackage: systemd
Title: package libpam-systemd:amd64 219-7ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128
UpgradeStatus: No upgrade log present (probably fresh install)