problem with rlm_sql or mysql-server ?

[Mathieu Lemaitre]

Hi everybody,

I have a problem with freeradius 1.0.2 and mysql 4.0.24, on a debian 
stable, used for about 1700 clients. I often have (about 10 times an 
hour) errors like these:

Tue Mar 20 12:21:29 2007 : Auth: Login incorrect: [XXXX/YYYYY] (from 
client ZZZZ port 0)
Tue Mar 20 12:21:40 2007 : Info: rlm_sql (sql): No matching entry in the 
database for request from user [XXXXX]
Tue Mar 20 12:21:40 2007 : Auth: Login incorrect: [XXXXX/YYYYY] (from 
client ZZZZ port 0)
Tue Mar 20 12:22:00 2007 : Info: rlm_sql (sql): No matching entry in the 
database for request from user [XXXXX]
Tue Mar 20 12:22:00 2007 : Auth: Login incorrect: [XXXXX/YYYYY] (from 
client ZZZZ port 0)
Tue Mar 20 12:22:21 2007 : Auth: Login OK: [XXXXX/YYYYY] (from client 
ZZZZ port 0)

whereas, of course, the username exists, and the pass didn't change...

is this a problem with the freeradius config, or is the mysqlserver too 
busy?

thanks for your answers,

Mathieu

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