Unpacking libglade2-0:i386 (from .../libglade2-0_1%3a2.6.4-1ubuntu3_i386.deb) ...
Preparing to replace libwbclient0:i386 2:3.6.18-1ubuntu3 (using .../libwbclient0_2%3a3.6.18-1ubuntu3.1_i386.deb) ...
Unpacking replacement libwbclient0:i386 ...
Preparing to replace smbclient 2:3.6.18-1ubuntu3 (using .../smbclient_2%3a3.6.18-1ubuntu3.1_i386.deb) ...
Unpacking replacement smbclient ...
Preparing to replace samba-common 2:3.6.18-1ubuntu3 (using .../samba-common_2%3a3.6.18-1ubuntu3.1_all.deb) ...
Unpacking replacement samba-common ...
Selecting previously unselected package samba.
Unpacking samba (from .../samba_2%3a3.6.18-1ubuntu3.1_i386.deb) ...
Selecting previously unselected package libuser1.
Unpacking libuser1 (from .../libuser1_1%3a0.56.9.dfsg.1-1.2ubuntu2_i386.deb) ...
Selecting previously unselected package python-central.
Unpacking python-central (from .../python-central_0.6.17ubuntu2_all.deb) ...
Selecting previously unselected package python-glade2.
Unpacking python-glade2 (from .../python-glade2_2.24.0-3ubuntu1_i386.deb) ...
Selecting previously unselected package python-support.
Unpacking python-support (from .../python-support_1.0.15_all.deb) ...
Selecting previously unselected package python-libuser.
Unpacking python-libuser (from .../python-libuser_1%3a0.56.9.dfsg.1-1.2ubuntu2_i386.deb) ...
Selecting previously unselected package system-config-samba.
Unpacking system-config-samba (from .../system-config-samba_1.2.63-0ubuntu5_all.deb) ...
Processing triggers for man-db ...
Processing triggers for ureadahead ...
Processing triggers for ufw ...
Processing triggers for gnome-menus ...
Processing triggers for desktop-file-utils ...
Processing triggers for bamfdaemon ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for mime-support ...
Processing triggers for hicolor-icon-theme ...
Setting up samba4 (4.0.3+dfsg1-0.1ubuntu1) ...
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
Setting up libglade2-0:i386 (1:2.6.4-1ubuntu3) ...
Setting up libwbclient0:i386 (2:3.6.18-1ubuntu3.1) ...
Setting up samba-common (2:3.6.18-1ubuntu3.1) ...
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66, <GEN0> line 12.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67, <GEN0> line 12.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68, <GEN0> line 12.
Use of uninitialized value in string eq at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 202, <GEN0> line 12.
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66, <GEN0> line 12.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67, <GEN0> line 12.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68, <GEN0> line 12.
Use of uninitialized value $ret in string eq at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 212, <GEN0> line 12.
Use of uninitialized value $_[1] in join or string at /usr/share/perl5/Debconf/DbDriver/Stack.pm line 111, <GEN0> line 12.
Use of uninitialized value $val in substitution (s///) at /usr/share/perl5/Debconf/Format/822.pm line 83, <GEN7> line 17.
Use of uninitialized value $val in concatenation (.) or string at /usr/share/perl5/Debconf/Format/822.pm line 84, <GEN7> line 17.
dpkg: error processing samba-common (--configure):
 subprocess installed post-installation script returned error exit status 128