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

[autobuild]

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-144/2018-07-19-0035/flakey.log

The failure seems to be in the "samba-nt4" suite, whose build logs are available here:

   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-07-19-0035/samba-nt4.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-07-19-0035/samba-nt4.stdout
  
The top commit at the time of the failure was:

commit 359e52187fbc9b5f94570ff8d12607b4fc42e4f2
Author: Martin Schwenke <martin at meltin.net>
Date:   Wed Jul 18 15:24:05 2018 +1000

    ctdb-tests: Loosen match against pstree output in simple test
    
    As per previous commit, pstree can truncate output if it gets too
    wide.  Instead of matching against the script's full path and
    arguments, just match against the script name.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=13531
    
    Signed-off-by: Martin Schwenke <martin at meltin.net>
    Reviewed-by: Amitay Isaacs <amitay at gmail.com>
    
    Autobuild-User(master): Amitay Isaacs <amitay at samba.org>
    Autobuild-Date(master): Wed Jul 18 14:53:39 CEST 2018 on sn-devel-144

and the last 50 lines of the stdout log were:

[142(796)/503 at 6m39s] samba3.base.ntdeny2(nt4_dc)
[143(797)/503 at 6m40s] samba3.base.open(nt4_dc)
[144(798)/503 at 6m40s] samba3.base.openattr(nt4_dc)
[145(799)/503 at 6m40s] samba3.base.properties(nt4_dc)
[146(800)/503 at 6m41s] samba3.base.rename(nt4_dc)
[147(801)/503 at 6m41s] samba3.base.rw1(nt4_dc)
[148(802)/503 at 6m41s] samba3.base.rw1(nt4_dc)
[149(803)/503 at 6m42s] samba3.base.rw1(nt4_dc)
[150(804)/503 at 6m42s] samba3.base.secleak(nt4_dc)
[151(805)/503 at 6m43s] samba3.base.tcon(nt4_dc)
[152(806)/503 at 6m43s] samba3.base.tcondev(nt4_dc)
[153(807)/503 at 6m43s] samba3.base.trans2(nt4_dc)
[154(808)/503 at 6m46s] samba3.base.unlink(nt4_dc)
[155(809)/503 at 6m47s] samba3.base.vuid(nt4_dc)
[156(810)/503 at 6m47s] samba3.base.xcopy(nt4_dc)
[157(811)/503 at 6m47s] samba3.base.samba3error(nt4_dc)
[158(812)/503 at 6m47s] samba3.raw.acls(nt4_dc)
[159(824)/503 at 6m49s] samba3.raw.acls nfs4acl_xattr-simple-40(nt4_dc)
[160(836)/503 at 6m51s] samba3.raw.acls nfs4acl_xattr-special-40(nt4_dc)
[161(848)/503 at 6m54s] samba3.raw.acls nfs4acl_xattr-simple-41(nt4_dc)
[162(860)/503 at 6m55s] samba3.raw.acls nfs4acl_xattr-xdr-40(nt4_dc)
[163(872)/503 at 6m56s] samba3.raw.acls nfs4acl_xattr-xdr-41(nt4_dc)
[164(884)/503 at 6m57s] samba3.raw.chkpath(nt4_dc)
[165(885)/503 at 6m58s] samba3.raw.close(nt4_dc)
[166(886)/503 at 6m58s] samba3.raw.composite(nt4_dc)
[167(890)/503 at 6m59s] samba3.raw.eas(nt4_dc)
[168(891)/503 at 6m59s] samba3.raw.lock(nt4_dc)
[169(904)/503 at 7m32s] samba3.raw.mkdir(nt4_dc)
[170(905)/503 at 7m32s] samba3.raw.mux(nt4_dc)
[171(906)/503 at 7m34s] samba3.raw.notify(nt4_dc)
TESTING CHANGE NOTIFY REPLY ALIGNMENT
UNEXPECTED(failure): samba3.raw.notify.alignment(nt4_dc)
REASON: Exception: Exception: ../source4/torture/raw/notify.c:1970: Expression `notify.nttrans.out.num_changes == num_names' failed:

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
samba3.blackbox.net.rpc.conf(nt4_dc) -> 45
samba3.raw.lock(nt4_dc) -> 33
samba3.blackbox.net.local.conf(nt4_dc:local) -> 31
samba3.smbtorture_s3.crypt_client(nt4_dc).OPLOCK1(nt4_dc) -> 30
samba3.base.dir2(nt4_dc) -> 18
samba3.base.defer_open(nt4_dc) -> 17
samba3.blackbox.smbclient_s3.SMB3.sign (nt4_dc)(nt4_dc) -> 10
samba3.smbtorture_s3.crypt_client(nt4_dc).IOCTL(nt4_dc) -> 10
samba3.blackbox.smbclient_s3.SMB3.crypt (nt4_dc)(nt4_dc) -> 10
samba3.base.lock(nt4_dc) -> 10
ERROR: test failed with exit code 1