package samba4 4.0.0~alpha15~git20110124.dfsg1-2ubuntu1 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 1

[Marcos]

Binary package hint: samba4

It won't install when upgrading from 10.10 to 11.04

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: samba4 4.0.0~alpha15~git20110124.dfsg1-2ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
AptOrdering: samba4: Configure
Architecture: i386
Date: Sat Mar 26 10:23:00 2011
ErrorMessage: sub-processo script post-installation instalado retornou estado de saída de erro 1
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
SourcePackage: samba4
Title: package samba4 4.0.0~alpha15~git20110124.dfsg1-2ubuntu1 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 1
UpgradeStatus: Upgraded to natty on 2011-03-25 (0 days ago)