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

Tue Oct 2 22:56:34 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:

   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-10-03-0056/flakey.log

The failure seems to be in the "samba-py3" suite, whose build logs are available here:

   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-10-03-0056/samba-py3.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-10-03-0056/samba-py3.stdout

The top commit at the time of the failure was:

commit cff1b31c2a82d7e07b7d413bed8a2843f1cd6508
Author: Volker Lendecke <vl at samba.org>
Date:   Sun Sep 16 11:25:14 2018 +0200

    smbd: Simplify downgrade_share_lease

    Coalesce the NT_STATUS_OPLOCK_BREAK_IN_PROGRESS case into just one
    if-condition

    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Stefan Metzmacher <metze at samba.org>

    Autobuild-User(master): Stefan Metzmacher <metze at samba.org>
    Autobuild-Date(master): Tue Oct  2 22:22:37 CEST 2018 on sn-devel-144

and the last 50 lines of the stdout log were:

[37(304)/75 at 8m33s] samba4.ldap.passwordsettings.python.python3(ad_dc_ntvfs)
[38(316)/75 at 9m24s] samba4.tombstone_reanimation.python.python3(ad_dc_ntvfs)
[39(328)/75 at 9m34s] samba.tests.upgradeprovisionneeddc.python3(ad_dc_ntvfs:local)
[40(339)/75 at 9m37s] samba.tests.samba_tool.rodc.python3(rodc:local)
[41(348)/75 at 10m18s] samba4.drs.ridalloc_exop.python(vampire_dc).python3(vampire_dc)
[42(359)/75 at 14m13s] samba4.drs.samba_tool_drs.python(vampire_dc).python3(vampire_dc:local)
[43(373)/75 at 17m12s] samba4.drs.samba_tool_drs_showrepl.python(vampire_dc).python3(vampire_dc:local)
[44(377)/75 at 17m36s] samba4.drs.replica_sync.python(vampire_dc).python3(vampire_dc:local)
[45(393)/75 at 19m56s] samba4.drs.delete_object.python(vampire_dc).python3(vampire_dc)
[46(395)/75 at 20m10s] samba4.drs.fsmo.python(vampire_dc).python3(vampire_dc)
[47(400)/75 at 20m29s] samba4.drs.repl_move.python(vampire_dc).python3(vampire_dc)
[48(421)/75 at 23m9s] samba4.drs.getnc_exop.python(vampire_dc).python3(vampire_dc)
[49(433)/75 at 23m27s] samba4.drs.getnc_unpriv.python(vampire_dc).python3(vampire_dc)
[50(437)/75 at 23m36s] samba4.drs.link_conflicts.python(vampire_dc).python3(vampire_dc)
[51(449)/75 at 28m11s] samba4.drs.samba_tool_drs.python(promoted_dc).python3(promoted_dc:local)
[52(463)/75 at 31m0s] samba4.drs.samba_tool_drs_showrepl.python(promoted_dc).python3(promoted_dc:local)
Good, failed as expected after 0 rounds: '/memdisk/autobuild/fl/b3938091/samba-py3/bin/samba-tool drs showrepl --summary -v --color=yes promotedvdc -USAMBADOMAIN/Administrator%locDCpass1'
UNEXPECTED(failure): samba4.drs.samba_tool_drs_showrepl.python(promoted_dc).python3.samba_tool_drs_showrepl.SambaToolDrsShowReplTests.test_samba_tool_showrepl_summary_forced_failure(promoted_dc:local)
REASON: Exception: Exception: Traceback (most recent call last):
  File "/memdisk/autobuild/fl/b3938091/samba-py3/source4/torture/drs/python/samba_tool_drs_showrepl.py", line 311, in test_samba_tool_showrepl_summary_forced_failure
    (self.dc2, self.cmdline_creds))
samba.tests.BlackboxProcessError: Command '/memdisk/autobuild/fl/b3938091/samba-py3/bin/samba-tool drs showrepl --summary -v --color=yes promotedvdc -USAMBADOMAIN/Administrator%locDCpass1'; exit status 255; stdout: 'b'''; stderr: 'b'ERROR(<type \'exceptions.IndexError\'>): uncaught exception - list index out of range\n  File "bin/python/samba/netcmd/__init__.py", line 183, in _run\n    return self.run(*args, **kwargs)\n  File "bin/python/samba/netcmd/drs.py", line 205, in run\n    return output_function()\n  File "bin/python/samba/netcmd/drs.py", line 251, in summary_output\n    return self.summary_output_handler("summary")\n  File "bin/python/samba/netcmd/drs.py", line 219, in summary_output_handler\n    local_data = self.get_local_repl_data()\n  File "bin/python/samba/netcmd/drs.py", line 300, in get_local_repl_data\n    d[\'dns name\'] = c_server_res[0]["dnsHostName"][0]\n''

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/memdisk/autobuild/fl/b3938091/samba-py3/source4/torture/drs/python/samba_tool_drs_showrepl.py", line 325, in test_samba_tool_showrepl_summary_forced_failure
    e.cmd))
AssertionError: 'There are failing connections' not found in '' : stdout: ''
stderr: 'ERROR(<type \'exceptions.IndexError\'>): uncaught exception - list index out of range\n  File "bin/python/samba/netcmd/__init__.py", line 183, in _run\n    return self.run(*args, **kwargs)\n  File "bin/python/samba/netcmd/drs.py", line 205, in run\n    return output_function()\n  File "bin/python/samba/netcmd/drs.py", line 251, in summary_output\n    return self.summary_output_handler("summary")\n  File "bin/python/samba/netcmd/drs.py", line 219, in summary_output_handler\n    local_data = self.get_local_repl_data()\n  File "bin/python/samba/netcmd/drs.py", line 300, in get_local_repl_data\n    d[\'dns name\'] = c_server_res[0]["dnsHostName"][0]\n'
retcode: 255
message: None
cmd: '/memdisk/autobuild/fl/b3938091/samba-py3/bin/samba-tool drs showrepl --summary -v --color=yes promotedvdc -USAMBADOMAIN/Administrator%locDCpass1'

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

A summary with detailed information can be found in:
  ./bin/ab/summary
TOP 10 slowest tests
samba4.drs.link_conflicts.python(vampire_dc).python3(vampire_dc) -> 276
samba4.drs.ridalloc_exop.python(vampire_dc).python3(vampire_dc) -> 235
samba4.drs.samba_tool_drs.python(vampire_dc).python3(vampire_dc:local) -> 179
samba4.drs.samba_tool_drs.python(promoted_dc).python3(promoted_dc:local) -> 168
samba4.drs.repl_move.python(vampire_dc).python3(vampire_dc) -> 160
samba4.drs.replica_sync.python(vampire_dc).python3(vampire_dc:local) -> 140
samba.tests.emulate.traffic_packet.python3(ad_dc_ntvfs) -> 92
samba.tests.samba_tool.user.python3(ad_dc_ntvfs:local) -> 63
samba4.ldap.passwordsettings.python.python3(ad_dc_ntvfs) -> 51
samba.tests.samba_tool.rodc.python3(rodc:local) -> 41
ERROR: test failed with exit code 1