4.9 losing mbuf with multicast traffic

[Stephen Clark]

Hi,

I am experiencing a problem on FreeBSD 4.9, yes I know this is ancient 
history but I am stuck
with it for the time being, that exhibits itself as the ipintrq.ifq_len 
slowly growing until it finally
reaches ipintrq.ifq_maxlen and the network stop responding because there 
is no place
to put the incomming packets. If I console into the box and use sysctl 
and increase the maxlen
things will again work until the new maxlen is reached. I know this is 
happening because I added a sysctl that would allow me to peak at the 
value of ipintrq.ifq_len. This only happens
when I am running ospf and increase with activity.

If someone could point towards where the multicast logic is I would 
appreciate or any other
thoughts would be greatly appreciated.

I have also posted this problem to the quagga devel mailing list and the 
fbsd-stable mailing list.

If there is any other information that would be helpful I would be 
willing to supply it.

Thanks in advance,
Steve

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