package samba4 4.0.0~alpha17.dfsg2-1 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 1

[Gustavo]

Description: Ubuntu precise (development branch)
Release: 12.04

samba4:
  Instalado: 4.0.0~alpha17.dfsg2-1
  Candidato: 4.0.0~alpha17.dfsg2-1
  Tabela de versão:
 *** 4.0.0~alpha17.dfsg2-1 0
        500 http://archive.ubuntu.com/ubuntu/ precise/universe amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: samba4 4.0.0~alpha17.dfsg2-1
ProcVersionSignature: Ubuntu 3.2.0-19.30-generic 3.2.11
Uname: Linux 3.2.0-19-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
Date: Mon Mar 19 18:57:33 2012
ErrorMessage: sub-processo script post-installation instalado retornou estado de saída de erro 1
InstallationMedia: Ubuntu 10.04.3 LTS "Lucid Lynx" - Release amd64 (20110720.1)
SourcePackage: samba4
Title: package samba4 4.0.0~alpha17.dfsg2-1 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 1
UpgradeStatus: Upgraded to precise on 2012-03-19 (0 days ago)