autobuild[sn-devel-144]: intermittent test failure detected

autobuild autobuild at
Mon Oct 15 23:01:32 UTC 2018

The autobuild test system (on sn-devel-144) has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

The failure seems to be in the "samba-py3" suite, whose build logs are available here:
The top commit at the time of the failure was:

commit 2fc855e7d2458249ca6fc8ffdf1d7633ab84cc55
Author: Douglas Bagnall <douglas.bagnall at>
Date:   Thu Oct 11 11:59:52 2018 +1300

    samba-tool drs showrepl: do not crash if no dnsHostName found
    This should not happen, but it does sometimes in an autobuild
    environment. Rather than reporting this by crashing, we report it by
    showing there is no DNS name.
    Signed-off-by: Douglas Bagnall <douglas.bagnall at>
    Autobuild-User(master): Douglas Bagnall <dbagnall at>
    Autobuild-Date(master): Fri Oct 12 15:27:07 CEST 2018 on sn-devel-144

and the last 50 lines of the stdout log were:

[59(527)/75 at 28m35s] samba4.drs.link_conflicts.python(promoted_dc).python3(promoted_dc)
[60(539)/75 at 32m9s] samba4.drs.repl_schema.python(vampire_dc).python3(vampire_dc)
[61(548)/75 at 32m52s] samba4.drs.repl_schema.python(promoted_dc).python3(promoted_dc)
[62(557)/75 at 33m37s] samba4.drs.getncchanges.python(vampire_dc).python3(vampire_dc)
[63(569)/75 at 35m31s] samba4.drs.getncchanges.python(promoted_dc).python3(promoted_dc)
[64(581)/75 at 37m55s] samba4.drs.repl_rodc.python(ad_dc_ntvfs).python3(ad_dc_ntvfs)
[65(589)/75 at 38m28s] samba.tests.join.python(ad_dc_ntvfs).python3(ad_dc_ntvfs)
[66(591)/75 at 40m16s] samba4.drs.cracknames.python(ad_dc_ntvfs).python3(ad_dc_ntvfs)
[67(594)/75 at 40m19s] samba.tests.kcc.python3(vampire_dc)
UNEXPECTED(error): samba.tests.kcc.python3.samba.tests.kcc.KCCTests.test_list_dsas(vampire_dc)
REASON: Exception: Exception: Traceback (most recent call last):
  File "bin/python/samba/kcc/", line 652, in load_dsa
_ldb.LdbError: (32, 'LDAP error 32 LDAP_NO_SUCH_OBJECT -  <acl_read: Error retrieving instanceType for base. at ../source4/dsdb/samdb/ldb_modules/acl_read.c:759> <>')

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "bin/python/samba/tests/kcc/", line 65, in test_list_dsas
    dsas = my_kcc.list_dsas()
  File "bin/python/samba/kcc/", line 2448, in list_dsas
  File "bin/python/samba/kcc/", line 249, in load_all_sites
  File "bin/python/samba/kcc/", line 207, in load_site
  File "bin/python/samba/kcc/", line 1508, in load_site
  File "bin/python/samba/kcc/", line 1532, in load_all_dsa
  File "bin/python/samba/kcc/", line 657, in load_dsa
    (self.dsa_dnstr, estr))
samba.kcc.kcc_utils.KCCError: Unable to find nTDSDSA for (CN=NTDS Settings,CN=jointest1,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com) - (LDAP error 32 LDAP_NO_SUCH_OBJECT -  <acl_read: Error retrieving instanceType for base. at ../source4/dsdb/samdb/ldb_modules/acl_read.c:759> <>)

FAILED (0 failures, 1 errors and 0 unexpected successes in 0 testsuites)

A summary with detailed information can be found in:
TOP 10 slowest tests
samba4.drs.link_conflicts.python(promoted_dc).python3(promoted_dc) -> 214
samba4.drs.link_conflicts.python(vampire_dc).python3(vampire_dc) -> 209
samba4.drs.ridalloc_exop.python(vampire_dc).python3(vampire_dc) -> 182
samba4.drs.getncchanges.python(promoted_dc).python3(promoted_dc) -> 144
samba4.drs.getncchanges.python(vampire_dc).python3(vampire_dc) -> 114
samba.tests.join.python(ad_dc_ntvfs).python3(ad_dc_ntvfs) -> 108
samba4.drs.samba_tool_drs.python(vampire_dc).python3(vampire_dc:local) -> 107
samba4.drs.samba_tool_drs.python(promoted_dc).python3(promoted_dc:local) -> 98
samba.tests.emulate.traffic_packet.python3(ad_dc_ntvfs) -> 98
samba4.drs.repl_move.python(vampire_dc).python3(vampire_dc) -> 95
ERROR: test failed with exit code 1

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