serious packet routing issue causing ntpd high load?

Steven Hartland killing at
Wed Oct 5 00:27:30 UTC 2011

----- Original Message ----- 
From: "Steven Hartland" <killing at>
> This seems very much like the following pr which was fixed:-
> "Remove a bogusly introduced rtalloc_ign() in rev. 1.335/SVN 178029,
> generating an RTM_MISS for every IP packet forwarded making user space
> routing daemons unhappy":-
> The box is doing no routing, its fairly basic install with
> 1 main IP on em0 + 1 alias + gw addres and 1 private ip on em1.
> Its running mysql and thats about it.
> Any ideas?

This may also be causing significantly higher than expected
kernel time as well:-
0 root      161  -8    0     0K  2560K -       1  44:26 23.88% kernel

I've removed the alias on em0 and removed all addresses from em1
leaving just 1 address on em1 + lo0 and still seeing the same


This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. 

In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337
or return the E.mail to postmaster at

More information about the freebsd-stable mailing list