package samba4 4.0.0~alpha17~git20110807.dfsg1-1ubuntu1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1

[Sam Barker]

during a dist upgrade samba4 failed.

sam@sabre:~$ sudo dpkg --configure -a
Setting up samba4 (4.0.0~alpha17~git20110807.dfsg1-1ubuntu1) ...
Unknown parameter encountered: "max log size"
Ignoring unknown parameter "max log size"
Unknown parameter encountered: "syslog"
Ignoring unknown parameter "syslog"
Unknown parameter encountered: "passdb backend"
Ignoring unknown parameter "passdb backend"
Unknown parameter encountered: "unix password sync"
Ignoring unknown parameter "unix password sync"
Unknown parameter encountered: "passwd program"
Ignoring unknown parameter "passwd program"
Unknown parameter encountered: "pam password change"
Ignoring unknown parameter "pam password change"
Unknown parameter encountered: "map to guest"
Ignoring unknown parameter "map to guest"
Unknown parameter encountered: "usershare allow guests"
Ignoring unknown parameter "usershare allow guests"
Unknown parameter encountered: "guest ok"
Ignoring unknown parameter "guest ok"
Unknown parameter encountered: "guest ok"
Ignoring unknown parameter "guest ok"
Unknown parameter encountered: "max log size"
Ignoring unknown parameter "max log size"
Unknown parameter encountered: "syslog"
Ignoring unknown parameter "syslog"
Unknown parameter encountered: "passdb backend"
Ignoring unknown parameter "passdb backend"
Unknown parameter encountered: "unix password sync"
Ignoring unknown parameter "unix password sync"
Unknown parameter encountered: "passwd program"
Ignoring unknown parameter "passwd program"
Unknown parameter encountered: "pam password change"
Ignoring unknown parameter "pam password change"
Unknown parameter encountered: "map to guest"
Ignoring unknown parameter "map to guest"
Unknown parameter encountered: "usershare allow guests"
Ignoring unknown parameter "usershare allow guests"
Unknown parameter encountered: "guest ok"
Ignoring unknown parameter "guest ok"
Unknown parameter encountered: "guest ok"
Ignoring unknown parameter "guest ok"
module samba_dsdb initialization failed : No such object
Unable to load modules for /var/lib/samba/private/sam.ldb: dsdb_module_search_dn: did not find base dn @ROOTDSE (0 results)
Traceback (most recent call last):
  File "/usr/share/samba/setup/upgradeprovision", line 1716, in <module>
    ldbs = get_ldbs(paths, creds, session, lp)
  File "/usr/lib/pymodules/python2.7/samba/upgradehelpers.py", line 156, in get_ldbs
    ldbs.sam = SamDB(paths.samdb, session_info=session, credentials=creds, lp=lp, options=["modules:samba_dsdb"])
  File "/usr/lib/pymodules/python2.7/samba/samdb.py", line 55, in __init__
    options=options)
  File "/usr/lib/pymodules/python2.7/samba/__init__.py", line 114, in __init__
    self.connect(url, flags, options)
  File "/usr/lib/pymodules/python2.7/samba/samdb.py", line 69, in connect
    options=options)
_ldb.LdbError: (80, 'dsdb_module_search_dn: did not find base dn @ROOTDSE (0 results)')
dpkg: error processing samba4 (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 samba4

ProblemType: Package
DistroRelease: Ubuntu 11.10
Package: samba4 4.0.0~alpha17~git20110807.dfsg1-1ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu3
Architecture: i386
Date: Thu Oct 27 22:44:11 2011
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 1
SourcePackage: samba4
Title: package samba4 4.0.0~alpha17~git20110807.dfsg1-1ubuntu1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to oneiric on 2011-10-27 (0 days ago)

[Robert Roth (evfool)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug #835032, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.