weird rlm_radutmp errors .. radiusd process sleeping

[ramesh p]

Hi All,
getting the following errors in the radius log:

Mon Aug 17 05:45:38 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 1239, but no Login record
Mon Aug 17 05:45:38 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 712, but no Login record
Mon Aug 17 05:45:38 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 659, but no Login record
Mon Aug 17 05:45:38 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 3783, but no Login record
Mon Aug 17 05:45:39 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 1964, but no Login record
Mon Aug 17 05:45:39 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 2438, but no Login record
Mon Aug 17 05:45:39 2009 : Info: rlm_sql (sql): There are no DB handles to
use! skipped 0, tried to connect 0
Mon Aug 17 05:45:39 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 3183, but no Login record
Mon Aug 17 05:45:39 2009 : Info: rlm_sql (sql): There are no DB handles to
use! skipped 0, tried to connect 0
Mon Aug 17 05:45:39 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 2423, but no Login record
Mon Aug 17 05:45:39 2009 : Info: rlm_sql (sql): There are no DB handles to
use! skipped 0, tried to connect 0
Mon Aug 17 05:45:39 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 1491, but no Login record
Mon Aug 17 05:45:39 2009 : Info: rlm_sql (sql): There are no DB handles to
use! skipped 0, tried to connect 0
Mon Aug 17 05:45:39 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 3822, but no Login record
Mon Aug 17 05:45:39 2009 : Info: rlm_sql (sql): There are no DB handles to
use! skipped 0, tried to connect 0
Mon Aug 17 05:45:39 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 2381, but no Login record
Mon Aug 17 05:45:39 2009 : Info: rlm_sql (sql): There are no DB handles to
use! skipped 0, tried to connect 0
Mon Aug 17 05:45:39 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 1842, but no Login record
Mon Aug 17 05:45:39 2009 : Info: rlm_sql (sql): There are no DB handles to
use! skipped 0, tried to connect 0
Mon Aug 17 05:45:39 2009 : Info: rlm_sql (sql): There are no DB handles to
use! skipped 0, tried to connect 0
Mon Aug 17 05:45:39 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 1064, but no Login record
Mon Aug 17 05:45:39 2009 : Info: rlm_sql (sql): There are no DB handles to
use! skipped 0, tried to connect 0
Mon Aug 17 05:45:39 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 214, but no Login record
Mon Aug 17 05:45:39 2009 : Info: rlm_sql (sql): There are no DB handles to
use! skipped 0, tried to connect 0
Mon Aug 17 05:45:39 2009 : Error: rlm_sql (sql) in sql_accounting: stop
packet with zero session length. [user '', nas xx.xx.xx.xx]
Mon Aug 17 05:45:40 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 2489, but no Login record
Mon Aug 17 05:45:40 2009 : Error: rlm_sql (sql) in sql_accounting: stop
packet with zero session length. [user '', nas xx.xx.xx.xx]
Mon Aug 17 05:45:40 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 2113, but no Login record
Mon Aug 17 05:45:40 2009 : Info: rlm_sql (sql): There are no DB handles to
use! skipped 0, tried to connect 0
Mon Aug 17 05:45:40 2009 : Error: rlm_radutmp: Logout for NAS Default NAS
Entry port 2887, but no Login record
Mon Aug 17 05:45:40 2009 : Info: rlm_sql (sql): There are no DB handles to
use! skipped 0, tried to connect 0
Mon Aug 17 05:45:40 2009 : Info: rlm_sql (sql): There are no DB handles to
use! skipped 0, tried to connect 0

Radius server is flooded with the above message and after some time radiusd
process sleeping. mysql db not logging records at all. What's the remedial
action? Is there any problem in NAS?
Please help.

Thanks,
Rams.
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