package samba4 4.0.3+dfsg1-0.1ubuntu1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 255

one.
done.
Processing triggers for libgdk-pixbuf2.0-0:amd64 ...
Processing triggers for gconf2 ...
Processing triggers for libreoffice-common ...
Processing triggers for python-support ...
Errors were encountered while processing:
 samba4
Error in function:

A fatal error occurred

Please report this as a bug and include the files
/var/log/dist-upgrade/main.log and /var/log/dist-upgrade/apt.log in
your report. The upgrade has aborted.
Your original sources.list was saved in
/etc/apt/sources.list.distUpgrade.

SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)

Could not install the upgrades

The upgrade has aborted. Your system could be in an unusable state. A
recovery will run now (dpkg --configure -a).

Setting up samba4 (4.0.3+dfsg1-0.1ubuntu1) ...

(process:54974): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
ERROR(ldb): uncaught exception - operations error at ../source4/dsdb/samdb/ldb_modules/rootdse.c:501
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/__init__.py", line 175, in _run
    return self.run(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/dbcheck.py", line 108, in run
    fix=fix, yes=yes, quiet=quiet, in_transaction=started_transaction)
  File "/usr/lib/python2.7/dist-packages/samba/dbchecker.py", line 62, in __init__
    self.ntds_dsa = samdb.get_dsServiceName()
  File "/usr/lib/python2.7/dist-packages/samba/samdb.py", line 856, in get_dsServiceName
    res = self.search(base="", scope=ldb.SCOPE_BASE, attrs=["dsServiceName"])
dpkg: error processing samba4 (--configure):
 subprocess installed post-installation script returned error exit status 255
Errors were encountered while processing:
 samba4

Upgrade complete

The upgrade has completed but there were errors during the upgrade
process.

To continue please press [ENTER]
emiliyan@UbuntuWS:~$
emiliyan@UbuntuWS:~$

ProblemType: Package
DistroRelease: Ubuntu 13.10
Package: samba4 4.0.3+dfsg1-0.1ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-35.50-generic 3.8.13.13
Uname: Linux 3.8.0-35-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
Date: Sun Jul 13 20:44:58 2014
DuplicateSignature: package:samba4:4.0.3+dfsg1-0.1ubuntu1:ErrorMessage: subprocess installed post-installation script returned error exit status 255
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 255
InstallationDate: Installed on 2013-06-19 (389 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
SourcePackage: samba4
Title: package samba4 4.0.3+dfsg1-0.1ubuntu1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 255
UpgradeStatus: Upgraded to saucy on 2014-07-13 (0 days ago)