twindb_agent needs privileges for STOP/START slave

[Aleksandr Kuzminsky]

141231 20:01:16 innobackupex: Continuing after ibbackup has suspended
DBD::mysql::db do failed: Access denied for user 'twindb_agent'@'localhost' (using password: YES) at /usr/bin/innobackupex line 3036.
innobackupex: got a fatal error with the following stacktrace: at /usr/bin/innobackupex line 3039.
 main::mysql_query('HASH(0x1eab398)', 'STOP SLAVE SQL_THREAD') called at /usr/bin/innobackupex line 4777
 main::wait_for_safe_slave('HASH(0x1eab398)') called at /usr/bin/innobackupex line 1971
 main::backup() called at /usr/bin/innobackupex line 1592
innobackupex: Error:
Error executing 'STOP SLAVE SQL_THREAD': DBD::mysql::db do failed: Access denied for user 'twindb_agent'@'localhost' (using password: YES) at /usr/bin/innobackupex line 3036.
141231 20:01:16 innobackupex: Waiting for ibbackup (pid=22544) to finish

[Ovais Tariq (ovais-tariq)]

The agent grants the "SUPER" privilege when creating the twindb_agent user. So the user used by the backup should be able to stop/start slave. Are you talking about the scenario where the twindb_agent user has the 'SUPER' privilege revoked manually?