MySQL Crash alle paar stunden

[comby]

Hallo,

Ich habe seit einigen wochen ziemliche Probleme mit dem MYSQL Server. Alle paar stunden (random) geht er einfach down, ich hab die config 1000 mal geändert, alles möglich probiert und auch schon gegooglet. Aber nichts richtiges gefunden .. nun meine letzte hoffnung, hier mal die mysql.err log vom letzten shutdown:

mysqld process hanging, pid 22747 - killed 
mysqld process hanging, pid 22747 - killed 
mysqld process hanging, pid 22747 - killed 
040225 12:53:38  mysqld restarted 
Warning: Ignoring user change to 'mysql' because the user was set to 'mysql' earlier on the command line 
040225 12:53:38  Can't start server: Bind on TCP/IP port: Address already in use 
040225 12:53:38  Do you already have another mysqld server running on port: 3306 ? 
040225 12:53:38  Aborting 

040225 12:53:38  /usr/sbin/mysqld: Shutdown Complete 

040225 12:53:38  mysqld ended

Hier die my.cnf (mysql config)

[client] 
#password       = my_password 
port            = 3306 
socket          = /var/run/mysqld/mysqld.sock 

[safe_mysqld] 
err-log         = /var/log/mysql/mysql.err 

[mysqld] 
skip-innodb 
user            = mysql 
pid-file        = /var/run/mysqld/mysqld.pid 
socket          = /var/run/mysqld/mysqld.sock 

basedir         = /usr 
datadir         = /var/lib/mysql 
tmpdir          = /tmp 
language        = /usr/share/mysql/english 
skip-locking 
set-variable    = key_buffer=16M 
set-variable    = max_allowed_packet=1M 
set-variable    = thread_stack=128K 
set-variable    = key_buffer=16M 
set-variable    = max_allowed_packet=1M 
set-variable    = thread_stack=128K 
set-variable    = table_cache=64 
set-variable    = sort_buffer=512K 
set-variable    = net_buffer_length=8K 
set-variable    = myisam_sort_buffer_size=8M 
set-variable    = query_cache_size=12M 
set-variable    = max_connections=400 
set-variable    = wait_timeout=90 
set-variable    = interactive_timeout=90 
set-variable    = max_connect_errors=999999 
set-variable    = max_delayed_threads=999999 

# keep secure by default! 
bind-address    = 127.0.0.1 
port            = 3306 
# this can make it even more secure: 
#skip-networking 

[mysqldump] 
quick 
set-variable    = max_allowed_packet=1M 

[mysql] 
#no-auto-rehash # faster start of mysql but no tab completition 

[isamchk] 
set-variable    = key_buffer=16M

Für sämtliche Ideen bin ich offen, vielen dank!