Hi,
get these errors several times a day, I am using innodb.
PDOException: SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; t
ry restarting transaction: DELETE FROM {semaphore} WHERE (name = :db_condition_placeholder_0) AND (value = :db_condition_placeholder_1)
AND (expire <= :db_condition_placeholder_2) ; Array ( [:db_condition_placeholder_0] => variable_init
[:db_condition_placeholder_1] => 150610246551d28c3f507b20.44728001 [:db_condition_placeholder_2] => 1372752964.32 )
in lock_may_be_available() (line 181 of /www/htdocs/includes/lock.inc).