Comment 6 for bug 936891

Adding output of apt-get install samba4 samba4-clients

Reading package lists...
Building dependency tree...
Reading state information...
Suggested packages:
  phpldapadmin samba-gtk swat2
The following NEW packages will be installed:
  samba4 samba4-clients
Preconfiguring packages ...
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/1,710 kB of archives.
After this operation, 11.4 MB of additional disk space will be used.
Selecting previously unselected package samba4.
(Reading database ... 32430 files and directories currently installed.)
Unpacking samba4 (from .../samba4_4.0.0~alpha18.dfsg1-4ubuntu2_i386.deb) ...
Selecting previously unselected package samba4-clients.
Unpacking samba4-clients (from .../samba4-clients_4.0.0~alpha18.dfsg1-4ubuntu2_i386.deb) ...
Processing triggers for man-db ...
Processing triggers for ureadahead ...
Setting up samba4 (4.0.0~alpha18.dfsg1-4ubuntu2) ...
ERROR: Invalid smb.conf
ERROR: Invalid smb.conf
/var/lib/dpkg/info/samba4.postinst: 14: /var/lib/dpkg/info/samba4.postinst: /usr/share/samba/setoption.pl: Permission denied
dpkg: error processing samba4 (--configure):
 subprocess installed post-installation script returned error exit status 126