autobuild: intermittent test failure detected

[autobuild]

The autobuild test system has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

   http://git.samba.org/autobuild.flakey/2015-03-20-0339/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey/2015-03-20-0339/samba.stderr
   http://git.samba.org/autobuild.flakey/2015-03-20-0339/samba.stdout
  
The top commit at the time of the failure was:

commit 77ba781c7ad3f71e1641962f4716165cab0ad20b
Author: Michael Adam <obnox at samba.org>
Date:   Thu Mar 19 16:59:42 2015 +0100

    selftest: mark the samba4.blackbox.dbcheck test as flapping.
    
    This causes frequent autobuild failures recently as follows:
    
    [1730(16550)/1735 at 2h7m43s] samba4.blackbox.dbcheck(ad_dc_ntvfs)
    UNEXPECTED(failure): samba4.blackbox.dbcheck(ad_dc_ntvfs).dbcheck(ad_dc_ntvfs:local)
    REASON: Exception: Exception: Checking 6799 objects
    ERROR: wrong dn[CN=DrsDelObjUser_1426756150,CN=Deleted Objects,DC=samba,DC=example,DC=com] name='DrsDelObjUser_1426756150
    DEL:77ec48cb-06cc-4157-a565-770720c30929' new_dn[CN=DrsDelObjUser_1426756150
    
    FAILED (1 failures, 0 errors and 0 unexpected successes in 0 testsuites)
    
    Has been seen flapping since quite some time:
    
    https://git.samba.org/autobuild.flakey/2012-06-22-0340/samba.stdout
    https://git.samba.org/autobuild.flakey/2012-06-25-2339/samba.stdout
    https://git.samba.org/autobuild.flakey/2012-07-02-1741/samba.stdout
    https://git.samba.org/autobuild.flakey/2012-07-31-1344/samba.stdout
    https://git.samba.org/autobuild.flakey/2012-09-24-1331/samba.stdout
    https://git.samba.org/autobuild.flakey/2012-11-21-0933/samba.stdout
    https://git.samba.org/autobuild.flakey/2012-12-02-0140/samba.stdout
    https://git.samba.org/autobuild.flakey/2012-12-11-1933/samba.stdout
    ...
    https://git.samba.org/autobuild.flakey/2014-08-20-1715/samba.stdout
    https://git.samba.org/autobuild.flakey/2014-09-29-0222/samba.stdout
    https://git.samba.org/autobuild.flakey/2014-12-13-1119/samba.stdout
    https://git.samba.org/autobuild.flakey/2015-03-19-0529/samba.stdout
    https://git.samba.org/autobuild.flakey/2015-03-19-0828/samba.stdout
    https://git.samba.org/autobuild.flakey/2015-03-19-1128/samba.stdout
    
    Possibly related to the failure of tombstone_ranimation,
    drs.delete_object, and blackbox.samba_tool_demote.
    
    Signed-off-by: Michael Adam <obnox at samba.org>
    Reviewed-by: Guenther Deschner <gd at samba.org>
    
    Autobuild-User(master): Michael Adam <obnox at samba.org>
    Autobuild-Date(master): Thu Mar 19 20:43:32 CET 2015 on sn-devel-104