WARNING: Child is hung for request xxx in component <core> module <queue>

[Arran Cudbard-Bell]

On 19 Sep 2012, at 12:12, ramakrishna <mramakrishnaprasad at gmail.com> wrote:

> Hi 
> 
> I am using freeRADIUS 2.1.12 and i am facing one problem with the load of Requests coming from RADIUS client.
> 
> I see the error "WARNING: Child is hung for request xxx in component <core> module <queue>" in radius.log file. Please find the radiusd.conf configuration i am using. Please suggest how to get rid of the error. 
> 
> max_request_time = 5
> cleanup_delay = 5
> max_requests = 1024
> thread pool {
>         start_servers = 3
> 
>         max_servers = 32
> 
>            min_spare_servers = 3
>         max_spare_servers = 10
> 
> #       max_queue_size = 65536
> 
>         max_requests_per_server = 0
> }
> 
> I have run the server in debug mode but i cudnt find any logs related the above problem.
> Please lemme know whats going wrong. Please lemme know if u need any more configuration or logs.

When server is in this state:

echo 'thread apply all bt full' > /tmp/gdb_cmd; gdb --pid `cat /var/run/radiusd/radiusd.pid` -batch -x /tmp/gdb_cmd > gdb_bt;  gzip gdb_bt

Post gdb_bt to the list.

-Arran