assert in util.c:189 on exit

[Joe Maimon]

And so for the last week I have been happily using cvs20050929 with a 
couple one liners.

This morning logs look like this:

Fri Oct  7 08:29:29 2005 : Error: !!! ERROR !!! The server is blocked: 
discarding new request 181169
Fri Oct  7 08:29:29 2005 : Error: !!! ERROR !!! The server is blocked: 
discarding new request 181170
Fri Oct  7 08:29:30 2005 : Error: !!! ERROR !!! The server is blocked: 
discarding new request 181171
Fri Oct  7 08:29:30 2005 : Error: !!! ERROR !!! The server is blocked:

on and on

(any idea why? this never happened before [ before means cvs from 
20050316 ])

so I executed /etc/init.d/freeradius stop

and got the above assert.

Apparently a gracefull exit is hard to do if the server has blocked threads?

Where should I start looking?

Thanks,

Joe