Re: significant increase in ipfw pullup failed

From: Luigi Rizzo <rizzo_at_icir.org>
Date: Fri, 22 Apr 2005 11:22:46 -0700
wonder if it is related to the recent import of ipfw v6 support...

cheers
luigi

On Fri, Apr 22, 2005 at 08:20:56AM -1000, Randy Bush wrote:
> >> on a 1ru system with an fxp
> >> yesterday, i cvsupped Apr 21 17:00 and built, first time in a few weeks
> >> previously i got an ipfw pullup failed a couple of times a day
> >> now i get them every few minutes
> >>
> >> anyone else seeing this, or should i start to send someone into
> >> the colo to check cables?
> > 
> > What it means is that the IPFW code didn't see a long enough packet to 
> > contain enough data to be logged usefully.  That could be a sign of 
> > hardware problems like a flaky cable or a NIC that is going wonky: if 
> > you can check "netstat -i" and look for excessive input errors or 
> > collisions.
> > 
> > If the machine is connected to a managed switch, look for "runt 
> > packets", smaller than 54 bytes (56?, whatever the minimum valid size 
> > is)....
> 
> sorry, did all that before whining.  but, as i might not have,
> your asking was quite appropriate.
> 
>     # netstat -m
>     204 mbufs in use
>     134/13120 mbuf clusters in use (current/max)
>     0/4/3536 sfbufs in use (current/peak/max)
>     319 KBytes allocated to network
>     0 requests for sfbufs denied
>     0 requests for sfbufs delayed
>     0 requests for I/O initiated by sendfile
> 
>     # netstat -i
>     Name    Mtu Network   Address              Ipkts Ierrs    Opkts Oerrs  Coll
>     fxp0   1500 <Link#1>  00:30:48:51:c8:5e 47087068     0 46603594     0     0
>     fxp0   1500 RG.NET/24 rip               47394365     - 47237789     -     -
>     fxp0   1500 ssh/32    ssh                   5129     -        0     -     -
>     fxp1*  1500 <Link#2>  00:30:48:51:c8:5f        0     0        0     0     0
>     lo0   16384 <Link#3>                      857260     0   857260     0     0
>     lo0   16384 your-net  localhost           223262     -   223262     -     -
> 
> it appears to be a plain increase in the reporting of pullup failed.
> 
> randy
> 
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Received on Fri Apr 22 2005 - 16:22:47 UTC

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