unit.conc tests fail in buildbot

unit.conc_features-10_2                  w4 [ fail ]

        Test ended at 2017-05-09 06:25:40

CURRENT_TEST: unit.conc_features-10_2

# port: 16020

# socketname: /home/buildbot/maria-slave/power8-vlp03-bintar/build/mysql-test/var/tmp/4/mysqld.1.sock

1..6

# Testing against MySQL Server 10.2.6-MariaDB-log

# Host: Localhost via UNIX socket

# Client library: 10.2.5

# Error:  (/home/buildbot/maria-slave/power8-vlp03-bintar/build/libmariadb/unittest/libmariadb/features-10_2.c: 208)

not ok 1 - test_cursor

ok 2 - conc_218

ok 3 - conc_212

ok 4 - conc_213

ok 5 - execute_direct

ok 6 - execute_direct_example

# close default

# Failed 1 tests!

unit.conc_misc                           w4 [ fail ]

        Test ended at 2017-05-09 06:25:51

CURRENT_TEST: unit.conc_misc

# port: 16020

# socketname: /home/buildbot/maria-slave/power8-vlp03-bintar/build/mysql-test/var/tmp/4/mysqld.1.sock

1..24

# Testing against MySQL Server 10.2.6-MariaDB-log

# Host: Localhost via UNIX socket

# Client library: 10.2.5

ok 1 - test_wl6797

# Error: autocommit flag not set (/home/buildbot/maria-slave/power8-vlp03-bintar/build/libmariadb/unittest/libmariadb/misc.c: 1152)

not ok 2 - test_server_status

# error: Lost connection to MySQL server during query

ok 3 - test_read_timeout

# zerofill: 0000000001

ok 4 - test_zerofill

# skip - no remote io plugin available

# error: Plugin remote_io could not be loaded: /usr/local/mysql/lib/plugin/remote_io.so: cannot open shared object file: No such file or directory

ok 5 # skip test_remote1

# skip - no remote io plugin available

ok 6 # skip test_remote2

# max_allowed_packet: 1073741824

# net_buffer_length: 8192

# client_version_id: 100205

# server_version_id: 100206

# charset name: latin1

# connection type: 0

# protocol_version: 10

# server_type: MariaDB

# server_version: 10.2.6-MariaDB-log

# client_version: 10.2.5

# charset_name: utf8

# charset_nr: 33

# charset_name: binary

# error[0]: Unknown MySQL error

# mariadb_info: Records: 2  Duplicates: 0  Warnings: 0

ok 7 - test_get_info

ok 8 - test_conc117

# Error: Plugin foo could not be loaded: /usr/local/mysql/lib/plugin/foo.so: cannot open shared object file: No such file or directory

ok 9 - test_conc_114

ok 10 - test_connect_attrs

ok 11 - test_conc49

ok 12 - test_bug28075

ok 13 - test_bug28505

ok 14 - test_debug_example

ok 15 - test_bug29692

ok 16 - test_bug31418

ok 17 - test_frm_bug

ok 18 - test_wl4166_1

# rc=1 error: 2057

ok 19 - test_wl4166_2

# rc=0 

ok 20 - test_wl4166_3

ok 21 - test_wl4166_4

# InnoDB not configured or available

ok 22 # skip test_wl4284_1

ok 23 - test_bug49694

# Error: 2

ok 24 - test_ldi_path

# close default

# Failed 1 tests!

unit.conc_thread                         w4 [ fail ]

        Test ended at 2017-05-09 06:26:06

CURRENT_TEST: unit.conc_thread

# port: 16020

# socketname: /home/buildbot/maria-slave/power8-vlp03-bintar/build/mysql-test/var/tmp/4/mysqld.1.sock

1..2

# Testing against MySQL Server 10.2.6-MariaDB-log

# Host: Localhost via UNIX socket

# Client library: 10.2.5

ok 1 - basic_connect

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# row=91

# Error: expected value THREAD_NUM (/home/buildbot/maria-slave/power8-vlp03-bintar/build/libmariadb/unittest/libmariadb/thread.c: 116)

not ok 2 - test_conc_27

# close default

# Failed 1 tests!

unit.conc_thread                         w3 [ fail ]

        Test ended at 2017-05-08 16:13:18

CURRENT_TEST: unit.conc_thread

# port: 16040

# socketname: /mnt/buildbot/build/mariadb-10.2.6/mysql-test/var/tmp/3/mysqld.1.sock

1..2

# Testing against MySQL Server 10.2.6-MariaDB-debug-log

# Host: Localhost via UNIX socket

# Client library: 10.2.5

ok 1 - basic_connect

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# >Error: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 22

# row=88

# Error: expected value THREAD_NUM (/home/buildbot/buildbot/build/mariadb-10.2.6/libmariadb/unittest/libmariadb/thread.c: 116)

not ok 2 - test_conc_27

# close default

# Failed 1 tests!