Reliable Breakage [Was:: "prepare_commit error in module tdb" importing schema]

[Adam Tauno Williams]

I can reliably break Samba4 by doing a schema import;  which maybe the
import should fail but it doesn't seem like it should break Samba.

Version 4.0.0alpha14-GIT-71e2d9e

make
make install
/opt/ad/samba4/sbin/provision --host-ip=10.66.77.1 \
    --realm=AD.MORMAIL.COM   \
    --domain=MORMAIL.COM   --host-name=samba   --adminpass=fred123.7a \
    --krbtgtpass=fred123.7k   --machinepass=fred123.7m   \
    --server-role='domain controller'
chown named:named /opt/ad/samba4/private/dns.keytab
chown named:named /opt/ad/samba4/private/dns
chmod g+wr /opt/ad/samba4/private/dns.keytab
chmod u+wrx,g+wrx /opt/ad/samba4/private/dns
/opt/ad/samba4/sbin/samba_dnsupdate --verbose # Works!
/opt/ad/samba4/bin/ldbmodify -vv -H ldap://10.66.77.1/ \
   --user=administrator%fred123.7a evolution.ldif
<OUTPUT>
Modified
cn=Evolution-Anniversary,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-AssistantName,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-AssistantPhone,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-BirthDate,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-BusinessRole,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-CalendarURI,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-CallbackPhone,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-CarPhone,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-CompanyPhone,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-Arbitrary,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-FileAs,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-FreeBusyURI,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-HomeFacsimileTelephoneNumber,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-Mailer,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-ManagerName,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-Note,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-OtherFacsimileTelephoneNumber,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
ERR: (Protocol error) "LDAP error 2 LDAP_PROTOCOL_ERROR -  <del_trans
error on CN=Schema,CN=Configuration,DC=ad,DC=mormail,DC=com:
prepare_commit error on
CN=Schema,CN=Configuration,DC=ad,DC=mormail,DC=com: prepare_commit error
in module tdb: Protocol error (2)> <>" on DN
cn=Evolution-OtherPhone,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-OtherPostalAddress,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-PrimaryPhone,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-Radio,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-SpouseName,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-Telex,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified
cn=Evolution-TTY,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified 
ERR: (Invalid attribute syntax) "LDAP error 21
LDAP_INVALID_ATTRIBUTE_SYNTAX -  <0000200B: Invalid attribute syntax -
objectclass_attrs: attribute 'mayContain' on entry
'CN=Evolution-Person,CN=Schema,CN=Configuration,DC=ad,DC=mormail,DC=com'
contains at least one invalid value!> <>" on DN
cn=Evolution-Person,cn=Schema,cn=Configuration,DC=AD,DC=MORMAIL,DC=COM
Modified 
Modified 25 records with 2 failures
</OUTPUT>

/opt/ad/samba4/sbin/samba_dnsupdate --verbose
<OUTPUT>
IPs: ['172.16.54.129', '10.66.77.1']
schema_load_init: dsdb_set_schema() failed: 20:Attribute or value
exists: attribute 'otherFacsimileTelephoneNumber': value #1 on
'@ATTRIBUTES' provided more than once
module schema_load initialization failed : Attribute or value exists
module operational initialization failed : Attribute or value exists
module acl initialization failed : Attribute or value exists
module descriptor initialization failed : Attribute or value exists
module objectclass initialization failed : Attribute or value exists
module asq initialization failed : Attribute or value exists
module server_sort initialization failed : Attribute or value exists
module paged_results initialization failed : Attribute or value exists
module aclread initialization failed : Attribute or value exists
module rootdse initialization failed : Attribute or value exists
module samba_dsdb initialization failed : Attribute or value exists
Unable to load modules for /opt/ad/samba4/private/sam.ldb:
schema_load_init: dsdb_set_schema() failed: 20:Attribute or value
exists: attribute 'otherFacsimileTelephoneNumber': value #1 on
'@ATTRIBUTES' provided more than once
Traceback (most recent call last):
  File "/opt/ad/samba4/sbin/samba_dnsupdate", line 366, in <module>
    sub_vars = get_subst_vars()
  File "/opt/ad/samba4/sbin/samba_dnsupdate", line 214, in
get_subst_vars
    lp=lp)
  File "/opt/ad/samba4/lib/python2.6/site-packages/samba/samdb.py", line
53, in __init__
    options=options)
  File "/opt/ad/samba4/lib/python2.6/site-packages/samba/__init__.py",
line 110, in __init__
    self.connect(url, flags, options)
  File "/opt/ad/samba4/lib/python2.6/site-packages/samba/samdb.py", line
66, in connect
    options=options)
_ldb.LdbError: (80, "schema_load_init: dsdb_set_schema() failed:
20:Attribute or value exists: attribute 'otherFacsimileTelephoneNumber':
value #1 on '@ATTRIBUTES' provided more than once")
</OUTPUT>
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