Why do I get this message by the server ?
Halid Faith
maslak at ihlas.net.tr
Fri Apr 7 20:15:56 UTC 2006
Ok
How can I increase value of mbufs ? I think I will need to increase value
of kern.ipc.nmbclusters.
value of kern.ipc.nmbclusters of the server is 51200.
What is the limit for kern.ipc.nmbclusters ?
What size can I increase it ?
The server has 2 gbyte ram, p4 2.4 Ghz 2 cpus.
Thanks
----- Original Message -----
From: "Lowell Gilbert" <freebsd-questions-local at be-well.ilk.org>
To: "Halid Faith" <maslak at ihlas.net.tr>
Cc: <freebsd-questions at freebsd.org>
Sent: Friday, April 07, 2006 9:10 PM
Subject: Re: Why do I get this message by the server ?
> "Halid Faith" <maslak at ihlas.net.tr> writes:
>
> > I have a freebsd5.4 server. I sometimes get a message on the screen as
below;
> >
> > kernel: ipfw: pullup failed
> >
> > What cause this problem cause ?
>
> There weren't enough mbufs available for ipfw to properly inspect a
> packet. So one packet was dropped by the firewall that perhaps would
> not have been if an extra mbuf were available. It's not a problem in
> itself, but if happening extremely often, you should allocate more
> mbufs.
>
> > I see the below lines when I type netstat -ni
> >
> > 1# netstat -ni
> > Name Mtu Network Address Ipkts Ierrs Opkts
Oerrs Coll
> > bge0 1500 <Link#1> 00:13:d4:51:5d:e9 1618711264 0 4211116941
0 0
> > bge0 1500 212.175.51.68 212.175.51.70 3389522 -
8161 - -
> > bge0 1500 fe80:1::213:d fe80:1::213:d4ff: 0 -
3 - -
> > bge1 1500 <Link#2> 00:13:d4:51:5d:ea 307271458 0 808964464
0 0
> > bge1 1500 192.168.12.1 192.168.12.63 2276942 -
82504 - -
> > bge1 1500 fe80:2::213:d fe80:2::213:d4ff: 0 -
4 - -
> > lo0 16384 <Link#3> 1465002 0 1465002
0 0
> > lo0 16384 127 127.0.0.1 1463512 -
3566 - -
> > lo0 16384 ::1/128 ::1 0 -
0 - -
> > lo0 16384 fe80:3::1/64 fe80:3::1 0 -
0 - -
> >
> > sysctl net.inet.ip | grep queue
> > net.inet.ip.intr_queue_maxlen: 50
> > net.inet.ip.intr_queue_drops: 19512403
> >
> > What shall I do ?
>
> You don't have to do anything. You could turn off the "verbose" flag
> for ipfw, and then you wouldn't see these messages. Or you could
> increase the number of mbufs available in the kernel.
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