mysqldump: Error: 'Lost connection to MySQL server during query' when trying to dump tablespaces -

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i trying dump of database on 1 of our (small) servers. running command:

sudo mysqldump --opt -u [name] -p [password] smx > smxfeb52014.sql

and i'm getting error back:

mysqldump: error: 'lost connection mysql server during query' when trying dump tablespaces mysqldump: got error: 2006: mysql server has gone away when selecting database

i've set me max_allowed_packet 500 , restarted mysql no dice.

any tips?


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