autobuild[sn-devel-184]: intermittent test failure detected

autobuild autobuild at
Sat Jul 20 21:45:28 UTC 2019

The autobuild test system (on sn-devel-184) 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-ad-dc-2" suite, whose build logs are available here:
The top commit at the time of the failure was:

commit 0bcfc550b1a902e3a6a766b06603ac9285d0ff63
Author: Garming Sam <garming at>
Date:   Thu Jul 18 14:50:57 2019 +1200

    gp_inf: Read/write files with a UTF-16LE BOM in GptTmpl.inf
    Regression caused by 16596842a62bec0a9d974c48d64000e3c079254e
    [MS-GPSB] 2.2 Message Syntax says that you have to write a BOM which I
    didn't do up until this patch. UTF-16 as input encoding was marked much
    higher up in the inheritance tree, which got overriden with the Python 3
    fixes. I've now marked the encoding much more obviously for this file.
    Signed-off-by: Garming Sam <garming at>
    Reviewed-by: Gary Lockyer <gary at>
    Autobuild-User(master): Gary Lockyer <gary at>
    Autobuild-Date(master): Fri Jul 19 02:20:47 UTC 2019 on sn-devel-184

and the last 50 lines of the stdout log were:

[22(135)/67 at 1m53s] samba.wbinfo_simple.user-groups=$DOMAIN/$DC_USERNAME(rodc:local)
[23(136)/67 at 1m53s] samba.wbinfo_simple.authenticate=$DOMAIN/$DC_USERNAME%$DC_PASSWORD(rodc:local)
[24(137)/67 at 1m54s] samba.wbinfo_simple.allocate-uid(rodc:local)
[25(138)/67 at 1m54s] samba.wbinfo_simple.allocate-gid(rodc:local)
[26(139)/67 at 1m54s] samba.wbinfo_sids2xids.(rodc:local)(rodc:local)
[27(140)/67 at 2m7s] samba.tests.ntlm_auth(rodc:local)
[28(153)/67 at 2m12s] samba.tests.encrypted_secrets(vampire_dc:local)
[29(155)/67 at 2m13s] samba.tests.py_credentials(vampire_dc)
[30(163)/67 at 2m17s] samba4.ldap.large_ldap.gssapi.python(vampire_dc)(vampire_dc)
[31(166)/67 at 4m28s] samba4.ldap.rodc.python(rodc)(rodc)
[32(172)/67 at 4m30s] samba4.ldap.rodc_rwdc.python(rodc)(rodc:local)
[33(192)/67 at 12m17s] samba4.drs.replica_sync_rodc.python(rodc)(rodc:local)
[34(194)/67 at 12m24s]
[35(197)/67 at 12m36s] samba4.rpc.samr.large-dc.two(vampire_dc)
[36(200)/67 at 12m48s] samba4.rpc.echo(rodc)
[37(210)/67 at 12m52s] samba4.rpc.echo(rodc:local)
[38(220)/67 at 12m56s] samba4.rpc.echo.testallowed(rodc:local)
[39(230)/67 at 13m0s] samba4.rpc.echo.testdenied(rodc:local)
[40(240)/67 at 13m3s] samba4.blackbox.smbclient(rodc:local)(rodc:local)
[41(242)/67 at 13m4s] samba.tests.samba_tool.rodc(rodc:local)
[42(251)/67 at 13m38s] samba.blackbox.rpcclient_samlogon(rodc:local)
[43(255)/67 at 13m39s] samba.blackbox.rpcclient_samlogon_testallowed(rodc:local)
[44(259)/67 at 13m40s] samba.blackbox.rpcclient_samlogon_testdenied(rodc:local)
[45(263)/67 at 13m41s] samba4.drs.ridalloc_exop.python(vampire_dc)(vampire_dc)
[46(274)/67 at 19m5s] samba4.drs.samba_tool_drs.python(vampire_dc)(vampire_dc:local)
UNEXPECTED(error): samba4.drs.samba_tool_drs.python(vampire_dc).samba_tool_drs.SambaToolDrsTests.test_samba_tool_kcc(vampire_dc:local)
REASON: Exception: Exception: Traceback (most recent call last):
  File "/memdisk/autobuild/fl/b46425/samba-ad-dc-2/source4/torture/drs/python/", line 81, in test_samba_tool_kcc
  File "bin/python/samba/tests/", line 449, in check_output
    raise BlackboxProcessError(retcode, line, stdoutdata, stderrdata)
samba.tests.BlackboxProcessError: Command 'python3 /memdisk/autobuild/fl/b46425/samba-ad-dc-2/bin/samba-tool drs kcc localdc -USAMBADOMAIN/Administrator%locDCpass1'; shell True; exit status 255; stdout: 'b'''; stderr: 'b"ERROR(runtime): DsExecuteKCC failed - (3221356597, 'The operation cannot be performed.')\n"'

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.ldap.rodc_rwdc.python(rodc)(rodc:local) -> 467
samba4.drs.ridalloc_exop.python(vampire_dc)(vampire_dc) -> 324
samba4.ldap.large_ldap.gssapi.python(vampire_dc)(vampire_dc) -> 131
samba.tests.samba_tool.rodc(rodc:local) -> 33
samba.wbinfo_sids2xids.(rodc:local)(rodc:local) -> 13
samba4.rpc.samr.large-dc.two(vampire_dc) -> 13 -> 12
samba4.drs.replica_sync_rodc.python(rodc)(rodc:local) -> 7
samba.tests.ntlm_auth(rodc:local) -> 5
samba4.rpc.echo(rodc:local) -> 4
ERROR: test failed with exit code 1
Makefile:16: recipe for target 'test' failed

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