main.log_tables fails sporadically in buildbot

main.log_tables                          w1 [ fail ]

        Test ended at 2015-01-06 10:29:02

CURRENT_TEST: main.log_tables

mysqltest: At line 832: query 'call `db_17876.archiveSlowLog`()' failed: 1136: Column count doesn't match value count at row 1

The result from queries just before the failure was:

< snip >

INSERT INTO

`db_17876.general_log_data`

            VALUES(event_time, user_host, thread_id, server_id,

command_type, argument);

END;

END IF;

END;

UNTIL done END REPEAT;

CLOSE cur1;

TRUNCATE mysql.general_log;

END //

SET GLOBAL general_log = ON;

SET GLOBAL slow_query_log = ON;

select "put something into general_log";

put something into general_log

put something into general_log

select "... and something more ...";

... and something more ...

... and something more ...

call `db_17876.archiveSlowLog`();