Crash MySQL: mysqld got signal 6

Bonjour,

Mon serveur web a planté ce week-end. Dans le daemon.log j'ai ceci :

Citation:

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mysqld got signal 6;
This could be because you hit a bug. It is also possible that this binary
or one of the libraries it was linked against is corrupt, improperly built,
or misconfigured. This error can also be caused by malfunctioning hardware.
We will try our best to scrape up some info that will hopefully help diagnose
the problem, but since we have already crashed, something is definitely wrong
and this may fail.

key_buffer_size=16777216
read_buffer_size=131072
max_used_connections=99
max_connections=100
threads_connected=13
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_connections = 233983 K
bytes of memory
Hope that's ok; if not, decrease some variables in the equation.

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Voici mon fichier my.cnf

Citation:

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

[mysqld_safe]
socket = /var/run/mysqld/mysqld.sock
nice = 0

[mysqld]
user = mysql
pid-file = /var/run/mysqld/mysqld.pid
socket = /var/run/mysqld/mysqld.sock
port = 3306
basedir = /usr

tmpdir = /home/mysql/tmp
language = /usr/share/mysql/french
skip-external-locking

key_buffer = 16M
max_allowed_packet = 16M
thread_stack = 128K
thread_cache_size = 8

query_cache_limit = 1M
query_cache_size = 16M


log_bin = /home/mysql/bin_log/mysql-bin.log
max_binlog_size = 100M

skip-bdb


[mysqldump]
quick
quote-names
max_allowed_packet = 16M

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

[isamchk]
key_buffer = 16M

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une idée serait la bienvenue