Module rlm_sql became unblocked messages

Can Paçacı <[email protected]>
Newsgroups gmane.comp.freeradius.user
Message-ID <[email protected]>
Hi,

Sometimes occures "WARNING: Module rlm_sql became unblocked" in the 
"Received Accounting-Request"  on the FR server logs and dont sent back 
the "Sent Accounting-Response" packet to the NAS. But when I checked the 
db. radacct records, the acct. "Interim-Update" record was inserted into 
the radacct table.

But NAS sends the "Accounting-Request" packet again and again a 
duplicate error is logged because it has been entered into the db before.

I don't observe any slowdown in db. and server load is also quite low.
This creates unnecessary acct. traffic and causes radius server UP-DOWN 
on the NAS side then switch into secondary FR server.
How can I solve this problem?

FreeRADIUS Version 3.0.20 and db. PostgreSQL 12.8, db. server and radius 
server are on separate servers.

Regards

-- 
Can Paçacı

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