MySql : " Warning: MySQL server has gone away " - Tune MySql to resolve this problem

port = 3306
socket = /tmp/mysql.sock
skip-locking
key_buffer = 384M
max_allowed_packet = 64M
table_cache = 4096
sort_buffer_size = 2M
read_buffer_size = 2M
read_rnd_buffer_size = 64M
myisam_sort_buffer_size = 64M
thread_cache_size = 8
query_cache_size = 32M

INNODB SPECIFIC:

innodb_buffer_pool_size = 384M
innodb_additional_mem_pool_size = 20M
innodb_log_file_size = 10M
innodb_log_buffer_size = 64M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 180

http://drupal.org/node/259580
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