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-144/2018-11-13-1904/flakey.log

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

   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-11-13-1904/ctdb.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-11-13-1904/ctdb.stdout
  
The top commit at the time of the failure was:

commit 5a8583ed701be97c33a20b2a20f6bbb8ac2f8e99
Author: Ralph Boehme <slow at samba.org>
Date:   Wed Nov 7 14:00:25 2018 +0100

    libcli/smb: don't overwrite status code
    
    The original commit c5cd22b5bbce724dcd68fe94320382b3f772cabf from bug
    9175 never worked, as the preceeding signing check overwrote the status
    variable.
    
    Bug: https://bugzilla.samba.org/show_bug.cgi?id=9175
    
    Signed-off-by: Ralph Boehme <slow at samba.org>
    Reviewed-by: Stefan Metzmacher <metze at samba.org>
    
    Autobuild-User(master): Ralph Böhme <slow at samba.org>
    Autobuild-Date(master): Tue Nov 13 17:28:45 CET 2018 on sn-devel-144

and the last 50 lines of the stdout log were:

 PASSED  tests/simple/07_ctdb_process_exists.sh
 PASSED  tests/simple/08_ctdb_isnotrecmaster.sh
 PASSED  tests/simple/09_ctdb_ping.sh
 PASSED  tests/simple/11_ctdb_ip.sh
 PASSED  tests/simple/12_ctdb_getdebug.sh
 PASSED  tests/simple/13_ctdb_setdebug.sh
 PASSED  tests/simple/14_ctdb_statistics.sh
 PASSED  tests/simple/15_ctdb_statisticsreset.sh
 PASSED  tests/simple/16_ctdb_config_add_ip.sh
 PASSED  tests/simple/17_ctdb_config_delete_ip.sh
 PASSED  tests/simple/18_ctdb_reloadips.sh
 PASSED  tests/simple/19_ip_takeover_noop.sh
 PASSED  tests/simple/20_delip_iface_gc.sh
 PASSED  tests/simple/21_ctdb_attach.sh
 PASSED  tests/simple/23_ctdb_moveip.sh
 PASSED  tests/simple/24_ctdb_getdbmap.sh
 PASSED  tests/simple/25_dumpmemory.sh
 PASSED  tests/simple/26_ctdb_config_check_error_on_unreachable_ctdb.sh
 PASSED  tests/simple/27_ctdb_detach.sh
 PASSED  tests/simple/28_zero_eventscripts.sh
 PASSED  tests/simple/32_ctdb_disable_enable.sh
 PASSED  tests/simple/35_ctdb_getreclock.sh
 PASSED  tests/simple/42_ctdb_stop_continue.sh
 PASSED  tests/simple/43_stop_recmaster_yield.sh
 PASSED  tests/simple/51_message_ring.sh
 PASSED  tests/simple/52_fetch_ring.sh
 PASSED  tests/simple/53_transaction_loop.sh
 PASSED  tests/simple/54_transaction_loop_recovery.sh
 PASSED  tests/simple/55_ctdb_ptrans.sh
 PASSED  tests/simple/56_replicated_transaction_recovery.sh
 PASSED  tests/simple/58_ctdb_restoredb.sh
 PASSED  tests/simple/60_recoverd_missing_ip.sh
 PASSED  tests/simple/69_recovery_resurrect_deleted.sh
 PASSED  tests/simple/70_recoverpdbbyseqnum.sh
 PASSED  tests/simple/71_ctdb_wipedb.sh
 PASSED  tests/simple/72_update_record_persistent.sh
 PASSED  tests/simple/73_tunable_NoIPTakeover.sh
 PASSED  tests/simple/75_readonly_records_basic.sh
 PASSED  tests/simple/76_ctdb_pdb_recovery.sh
 PASSED  tests/simple/77_ctdb_db_recovery.sh
 PASSED  tests/simple/78_ctdb_large_db_recovery.sh
 PASSED  tests/simple/79_volatile_db_traverse.sh
 PASSED  tests/simple/80_ctdb_traverse.sh
 PASSED  tests/simple/81_tunnel_ring.sh
*FAILED* tests/simple/90_debug_hung_script.sh

528/529 tests passed

Removing TEST_VAR_DIR=/memdisk/autobuild/fl/b3171983/ctdb/ctdb/tests/var
autotest exited with exit status 1